A modified hartree-fock approximation for the zero-temperature electron gas
Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Garrison, J. C. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1967 |
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| Schlagwörter: |
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| Anmerkung: |
© Società Italiana di Fisica 1967 |
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| Übergeordnetes Werk: |
Enthalten in: Il Nuovo Cimento B (1965-1970) - Springer Berlin Heidelberg, 1971, 47(1967), 2 vom: Feb., Seite 200-209 |
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| Übergeordnetes Werk: |
volume:47 ; year:1967 ; number:2 ; month:02 ; pages:200-209 |
| Links: |
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| DOI / URN: |
10.1007/BF02710723 |
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| Katalog-ID: |
OLC2087162123 |
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| 520 | |a Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. | ||
| 650 | 4 | |a Correlation Energy | |
| 650 | 4 | |a Screening Length | |
| 650 | 4 | |a Thermodynamic Consistency | |
| 650 | 4 | |a Eprex | |
| 650 | 4 | |a Negative Correlation Energy | |
| 700 | 1 | |a Morrison, H. L. |4 aut | |
| 700 | 1 | |a Wong, J. |4 aut | |
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10.1007/BF02710723 doi (DE-627)OLC2087162123 (DE-He213)BF02710723-p DE-627 ger DE-627 rakwb eng 530 VZ Garrison, J. C. verfasserin aut A modified hartree-fock approximation for the zero-temperature electron gas 1967 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Società Italiana di Fisica 1967 Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. Correlation Energy Screening Length Thermodynamic Consistency Eprex Negative Correlation Energy Morrison, H. L. aut Wong, J. aut Enthalten in Il Nuovo Cimento B (1965-1970) Springer Berlin Heidelberg, 1971 47(1967), 2 vom: Feb., Seite 200-209 (DE-627)130067806 (DE-600)441919-4 (DE-576)015602214 2037-4895 nnns volume:47 year:1967 number:2 month:02 pages:200-209 https://doi.org/10.1007/BF02710723 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OPC-AST AR 47 1967 2 02 200-209 |
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10.1007/BF02710723 doi (DE-627)OLC2087162123 (DE-He213)BF02710723-p DE-627 ger DE-627 rakwb eng 530 VZ Garrison, J. C. verfasserin aut A modified hartree-fock approximation for the zero-temperature electron gas 1967 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Società Italiana di Fisica 1967 Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. Correlation Energy Screening Length Thermodynamic Consistency Eprex Negative Correlation Energy Morrison, H. L. aut Wong, J. aut Enthalten in Il Nuovo Cimento B (1965-1970) Springer Berlin Heidelberg, 1971 47(1967), 2 vom: Feb., Seite 200-209 (DE-627)130067806 (DE-600)441919-4 (DE-576)015602214 2037-4895 nnns volume:47 year:1967 number:2 month:02 pages:200-209 https://doi.org/10.1007/BF02710723 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OPC-AST AR 47 1967 2 02 200-209 |
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10.1007/BF02710723 doi (DE-627)OLC2087162123 (DE-He213)BF02710723-p DE-627 ger DE-627 rakwb eng 530 VZ Garrison, J. C. verfasserin aut A modified hartree-fock approximation for the zero-temperature electron gas 1967 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Società Italiana di Fisica 1967 Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. Correlation Energy Screening Length Thermodynamic Consistency Eprex Negative Correlation Energy Morrison, H. L. aut Wong, J. aut Enthalten in Il Nuovo Cimento B (1965-1970) Springer Berlin Heidelberg, 1971 47(1967), 2 vom: Feb., Seite 200-209 (DE-627)130067806 (DE-600)441919-4 (DE-576)015602214 2037-4895 nnns volume:47 year:1967 number:2 month:02 pages:200-209 https://doi.org/10.1007/BF02710723 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OPC-AST AR 47 1967 2 02 200-209 |
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10.1007/BF02710723 doi (DE-627)OLC2087162123 (DE-He213)BF02710723-p DE-627 ger DE-627 rakwb eng 530 VZ Garrison, J. C. verfasserin aut A modified hartree-fock approximation for the zero-temperature electron gas 1967 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Società Italiana di Fisica 1967 Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. Correlation Energy Screening Length Thermodynamic Consistency Eprex Negative Correlation Energy Morrison, H. L. aut Wong, J. aut Enthalten in Il Nuovo Cimento B (1965-1970) Springer Berlin Heidelberg, 1971 47(1967), 2 vom: Feb., Seite 200-209 (DE-627)130067806 (DE-600)441919-4 (DE-576)015602214 2037-4895 nnns volume:47 year:1967 number:2 month:02 pages:200-209 https://doi.org/10.1007/BF02710723 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OPC-AST AR 47 1967 2 02 200-209 |
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10.1007/BF02710723 doi (DE-627)OLC2087162123 (DE-He213)BF02710723-p DE-627 ger DE-627 rakwb eng 530 VZ Garrison, J. C. verfasserin aut A modified hartree-fock approximation for the zero-temperature electron gas 1967 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Società Italiana di Fisica 1967 Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. Correlation Energy Screening Length Thermodynamic Consistency Eprex Negative Correlation Energy Morrison, H. L. aut Wong, J. aut Enthalten in Il Nuovo Cimento B (1965-1970) Springer Berlin Heidelberg, 1971 47(1967), 2 vom: Feb., Seite 200-209 (DE-627)130067806 (DE-600)441919-4 (DE-576)015602214 2037-4895 nnns volume:47 year:1967 number:2 month:02 pages:200-209 https://doi.org/10.1007/BF02710723 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OPC-AST AR 47 1967 2 02 200-209 |
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a modified hartree-fock approximation for the zero-temperature electron gas |
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Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. © Società Italiana di Fisica 1967 |
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Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. © Società Italiana di Fisica 1967 |
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Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%. © Società Italiana di Fisica 1967 |
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C.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">A modified hartree-fock approximation for the zero-temperature electron gas</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1967</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Società Italiana di Fisica 1967</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Summary We present a nonperturbative, self-consistent calculation for the zero-temperature electron gas based on a modified Hartree-Fock approximation in which the Coulomb potential is replaced by a Debye screened potential. The single particle energy spectrum and the screening length are determined in a self-consistent manner; the resulting energy spectrum is used to compute the specific heat, the ground-state energy and the pressure. The specific heat compares favorably with that calculated by Hedin, but the correlation energy turns out to have the wrong sign. We compute the pressure in two different ways to check the thermodynamic consistency (in the sense of Baym) of the theory; in the metallic density region the deviation from thermodynamic consistency varies from 6% to 10%.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Correlation Energy</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Screening Length</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermodynamic Consistency</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Eprex</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Negative Correlation Energy</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Morrison, H. L.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Wong, J.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Il Nuovo Cimento B (1965-1970)</subfield><subfield code="d">Springer Berlin Heidelberg, 1971</subfield><subfield code="g">47(1967), 2 vom: Feb., Seite 200-209</subfield><subfield code="w">(DE-627)130067806</subfield><subfield code="w">(DE-600)441919-4</subfield><subfield code="w">(DE-576)015602214</subfield><subfield code="x">2037-4895</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:47</subfield><subfield code="g">year:1967</subfield><subfield code="g">number:2</subfield><subfield code="g">month:02</subfield><subfield code="g">pages:200-209</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1007/BF02710723</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHY</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OPC-AST</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">47</subfield><subfield code="j">1967</subfield><subfield code="e">2</subfield><subfield code="c">02</subfield><subfield code="h">200-209</subfield></datafield></record></collection>
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