Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation
Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distrib...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Som, Sunipa [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
Relaxation kinetics of trapped excitons Bose–Einstein condensation of trapped excitons |
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| Übergeordnetes Werk: |
Enthalten in: Indian journal of physics - New Delhi : Springer India, 2009, 94(2019), 10 vom: 31. Okt., Seite 1603-1613 |
|---|---|
| Übergeordnetes Werk: |
volume:94 ; year:2019 ; number:10 ; day:31 ; month:10 ; pages:1603-1613 |
| Links: |
|---|
| DOI / URN: |
10.1007/s12648-019-01592-7 |
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| Katalog-ID: |
SPR040926389 |
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| 520 | |a Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. | ||
| 650 | 4 | |a Relaxation kinetics of trapped excitons |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Bose–Einstein condensation of trapped excitons |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Numerical simulations of Boltzmann equation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Excitons in cuprous oxide |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Exciton–phonon scattering |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Exciton–exciton scattering |7 (dpeaa)DE-He213 | |
| 773 | 0 | 8 | |i Enthalten in |t Indian journal of physics |d New Delhi : Springer India, 2009 |g 94(2019), 10 vom: 31. Okt., Seite 1603-1613 |w (DE-627)606030921 |w (DE-600)2508021-0 |x 0974-9845 |7 nnns |
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| 856 | 4 | 0 | |u https://dx.doi.org/10.1007/s12648-019-01592-7 |z lizenzpflichtig |3 Volltext |
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10.1007/s12648-019-01592-7 doi (DE-627)SPR040926389 (SPR)s12648-019-01592-7-e DE-627 ger DE-627 rakwb eng 530 ASE Som, Sunipa verfasserin aut Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. Relaxation kinetics of trapped excitons (dpeaa)DE-He213 Bose–Einstein condensation of trapped excitons (dpeaa)DE-He213 Numerical simulations of Boltzmann equation (dpeaa)DE-He213 Excitons in cuprous oxide (dpeaa)DE-He213 Exciton–phonon scattering (dpeaa)DE-He213 Exciton–exciton scattering (dpeaa)DE-He213 Enthalten in Indian journal of physics New Delhi : Springer India, 2009 94(2019), 10 vom: 31. Okt., Seite 1603-1613 (DE-627)606030921 (DE-600)2508021-0 0974-9845 nnns volume:94 year:2019 number:10 day:31 month:10 pages:1603-1613 https://dx.doi.org/10.1007/s12648-019-01592-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 94 2019 10 31 10 1603-1613 |
| spelling |
10.1007/s12648-019-01592-7 doi (DE-627)SPR040926389 (SPR)s12648-019-01592-7-e DE-627 ger DE-627 rakwb eng 530 ASE Som, Sunipa verfasserin aut Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. Relaxation kinetics of trapped excitons (dpeaa)DE-He213 Bose–Einstein condensation of trapped excitons (dpeaa)DE-He213 Numerical simulations of Boltzmann equation (dpeaa)DE-He213 Excitons in cuprous oxide (dpeaa)DE-He213 Exciton–phonon scattering (dpeaa)DE-He213 Exciton–exciton scattering (dpeaa)DE-He213 Enthalten in Indian journal of physics New Delhi : Springer India, 2009 94(2019), 10 vom: 31. Okt., Seite 1603-1613 (DE-627)606030921 (DE-600)2508021-0 0974-9845 nnns volume:94 year:2019 number:10 day:31 month:10 pages:1603-1613 https://dx.doi.org/10.1007/s12648-019-01592-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 94 2019 10 31 10 1603-1613 |
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10.1007/s12648-019-01592-7 doi (DE-627)SPR040926389 (SPR)s12648-019-01592-7-e DE-627 ger DE-627 rakwb eng 530 ASE Som, Sunipa verfasserin aut Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. Relaxation kinetics of trapped excitons (dpeaa)DE-He213 Bose–Einstein condensation of trapped excitons (dpeaa)DE-He213 Numerical simulations of Boltzmann equation (dpeaa)DE-He213 Excitons in cuprous oxide (dpeaa)DE-He213 Exciton–phonon scattering (dpeaa)DE-He213 Exciton–exciton scattering (dpeaa)DE-He213 Enthalten in Indian journal of physics New Delhi : Springer India, 2009 94(2019), 10 vom: 31. Okt., Seite 1603-1613 (DE-627)606030921 (DE-600)2508021-0 0974-9845 nnns volume:94 year:2019 number:10 day:31 month:10 pages:1603-1613 https://dx.doi.org/10.1007/s12648-019-01592-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 94 2019 10 31 10 1603-1613 |
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10.1007/s12648-019-01592-7 doi (DE-627)SPR040926389 (SPR)s12648-019-01592-7-e DE-627 ger DE-627 rakwb eng 530 ASE Som, Sunipa verfasserin aut Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. Relaxation kinetics of trapped excitons (dpeaa)DE-He213 Bose–Einstein condensation of trapped excitons (dpeaa)DE-He213 Numerical simulations of Boltzmann equation (dpeaa)DE-He213 Excitons in cuprous oxide (dpeaa)DE-He213 Exciton–phonon scattering (dpeaa)DE-He213 Exciton–exciton scattering (dpeaa)DE-He213 Enthalten in Indian journal of physics New Delhi : Springer India, 2009 94(2019), 10 vom: 31. Okt., Seite 1603-1613 (DE-627)606030921 (DE-600)2508021-0 0974-9845 nnns volume:94 year:2019 number:10 day:31 month:10 pages:1603-1613 https://dx.doi.org/10.1007/s12648-019-01592-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 94 2019 10 31 10 1603-1613 |
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10.1007/s12648-019-01592-7 doi (DE-627)SPR040926389 (SPR)s12648-019-01592-7-e DE-627 ger DE-627 rakwb eng 530 ASE Som, Sunipa verfasserin aut Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. Relaxation kinetics of trapped excitons (dpeaa)DE-He213 Bose–Einstein condensation of trapped excitons (dpeaa)DE-He213 Numerical simulations of Boltzmann equation (dpeaa)DE-He213 Excitons in cuprous oxide (dpeaa)DE-He213 Exciton–phonon scattering (dpeaa)DE-He213 Exciton–exciton scattering (dpeaa)DE-He213 Enthalten in Indian journal of physics New Delhi : Springer India, 2009 94(2019), 10 vom: 31. Okt., Seite 1603-1613 (DE-627)606030921 (DE-600)2508021-0 0974-9845 nnns volume:94 year:2019 number:10 day:31 month:10 pages:1603-1613 https://dx.doi.org/10.1007/s12648-019-01592-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 94 2019 10 31 10 1603-1613 |
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Relaxation kinetics of trapped excitons Bose–Einstein condensation of trapped excitons Numerical simulations of Boltzmann equation Excitons in cuprous oxide Exciton–phonon scattering Exciton–exciton scattering |
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Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. 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530 ASE Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation Relaxation kinetics of trapped excitons (dpeaa)DE-He213 Bose–Einstein condensation of trapped excitons (dpeaa)DE-He213 Numerical simulations of Boltzmann equation (dpeaa)DE-He213 Excitons in cuprous oxide (dpeaa)DE-He213 Exciton–phonon scattering (dpeaa)DE-He213 Exciton–exciton scattering (dpeaa)DE-He213 |
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ddc 530 misc Relaxation kinetics of trapped excitons misc Bose–Einstein condensation of trapped excitons misc Numerical simulations of Boltzmann equation misc Excitons in cuprous oxide misc Exciton–phonon scattering misc Exciton–exciton scattering |
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ddc 530 misc Relaxation kinetics of trapped excitons misc Bose–Einstein condensation of trapped excitons misc Numerical simulations of Boltzmann equation misc Excitons in cuprous oxide misc Exciton–phonon scattering misc Exciton–exciton scattering |
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Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation |
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relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation |
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Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation |
| abstract |
Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. |
| abstractGer |
Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. |
| abstract_unstemmed |
Abstract This work is a theoretical study of the excitons relaxation dynamics in cuprous oxide at ultra-low temperatures and within a potential trap. Exciton–phonon collisions and exciton–exciton collisions have been included as relaxation processes. Special attention is given to the thermal distribution, cooling process and the condensation of the exciton gas with high number of excitons. It has been done by solving the Boltzmann equation numerically, using MATLAB. In this work, the relaxation behaviour has been analysed for the temperatures between 0.1 and 3 K. It has been found that for the temperatures above 0.1 K the local effective temperatures are coming down to the bath temperatures, i.e. the excitons reach the local equilibrium with the lattice, but for 0.1 K it does not happen. For 3 K, the global distributions do not change at all with time, but for 0.1 K this change is significant. Maybe this thermal loss of excitons for 0.1 K is related to the Bose–Einstein condensation of excitons. Interestingly, for the temperature of 0.1 K the condensate has been formed with sufficiently high number of excitons, for the times larger than 300 ns. Also, the results have been compared with the other theoretical results. |
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Relaxation and condensation kinetics of trapped excitons at ultra-low temperatures: numerical simulation |
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https://dx.doi.org/10.1007/s12648-019-01592-7 |
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10.1007/s12648-019-01592-7 |
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2024-07-03T19:08:46.432Z |
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