Topological edge states in phononic plates with embedded acoustic black holes
We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall eff...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ganti, Sai Sanjit [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Cancer of the uterus and treatment of incontinence (CUTI) - Robison, K.M. ELSEVIER, 2015, London |
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| Übergeordnetes Werk: |
volume:466 ; year:2020 ; day:3 ; month:02 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.jsv.2019.115060 |
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ELV048629138 |
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| 520 | |a We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. | ||
| 520 | |a We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. | ||
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10.1016/j.jsv.2019.115060 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000824.pica (DE-627)ELV048629138 (ELSEVIER)S0022-460X(19)30623-6 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.11 bkl Ganti, Sai Sanjit verfasserin aut Topological edge states in phononic plates with embedded acoustic black holes 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. Phononic crystal Elsevier Topological insulator Elsevier Quantum valley Hall effect Elsevier Acoustic black hole Elsevier Liu, Ting-Wei oth Semperlotti, Fabio oth Enthalten in Academic Press Robison, K.M. ELSEVIER Cancer of the uterus and treatment of incontinence (CUTI) 2015 London (DE-627)ELV012704822 volume:466 year:2020 day:3 month:02 pages:0 https://doi.org/10.1016/j.jsv.2019.115060 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_30 GBV_ILN_40 44.11 Präventivmedizin VZ AR 466 2020 3 0203 0 |
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10.1016/j.jsv.2019.115060 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000824.pica (DE-627)ELV048629138 (ELSEVIER)S0022-460X(19)30623-6 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.11 bkl Ganti, Sai Sanjit verfasserin aut Topological edge states in phononic plates with embedded acoustic black holes 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. Phononic crystal Elsevier Topological insulator Elsevier Quantum valley Hall effect Elsevier Acoustic black hole Elsevier Liu, Ting-Wei oth Semperlotti, Fabio oth Enthalten in Academic Press Robison, K.M. ELSEVIER Cancer of the uterus and treatment of incontinence (CUTI) 2015 London (DE-627)ELV012704822 volume:466 year:2020 day:3 month:02 pages:0 https://doi.org/10.1016/j.jsv.2019.115060 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_30 GBV_ILN_40 44.11 Präventivmedizin VZ AR 466 2020 3 0203 0 |
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10.1016/j.jsv.2019.115060 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000824.pica (DE-627)ELV048629138 (ELSEVIER)S0022-460X(19)30623-6 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.11 bkl Ganti, Sai Sanjit verfasserin aut Topological edge states in phononic plates with embedded acoustic black holes 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. Phononic crystal Elsevier Topological insulator Elsevier Quantum valley Hall effect Elsevier Acoustic black hole Elsevier Liu, Ting-Wei oth Semperlotti, Fabio oth Enthalten in Academic Press Robison, K.M. ELSEVIER Cancer of the uterus and treatment of incontinence (CUTI) 2015 London (DE-627)ELV012704822 volume:466 year:2020 day:3 month:02 pages:0 https://doi.org/10.1016/j.jsv.2019.115060 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_30 GBV_ILN_40 44.11 Präventivmedizin VZ AR 466 2020 3 0203 0 |
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10.1016/j.jsv.2019.115060 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000824.pica (DE-627)ELV048629138 (ELSEVIER)S0022-460X(19)30623-6 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.11 bkl Ganti, Sai Sanjit verfasserin aut Topological edge states in phononic plates with embedded acoustic black holes 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. Phononic crystal Elsevier Topological insulator Elsevier Quantum valley Hall effect Elsevier Acoustic black hole Elsevier Liu, Ting-Wei oth Semperlotti, Fabio oth Enthalten in Academic Press Robison, K.M. ELSEVIER Cancer of the uterus and treatment of incontinence (CUTI) 2015 London (DE-627)ELV012704822 volume:466 year:2020 day:3 month:02 pages:0 https://doi.org/10.1016/j.jsv.2019.115060 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_30 GBV_ILN_40 44.11 Präventivmedizin VZ AR 466 2020 3 0203 0 |
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10.1016/j.jsv.2019.115060 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000824.pica (DE-627)ELV048629138 (ELSEVIER)S0022-460X(19)30623-6 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.11 bkl Ganti, Sai Sanjit verfasserin aut Topological edge states in phononic plates with embedded acoustic black holes 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. Phononic crystal Elsevier Topological insulator Elsevier Quantum valley Hall effect Elsevier Acoustic black hole Elsevier Liu, Ting-Wei oth Semperlotti, Fabio oth Enthalten in Academic Press Robison, K.M. ELSEVIER Cancer of the uterus and treatment of incontinence (CUTI) 2015 London (DE-627)ELV012704822 volume:466 year:2020 day:3 month:02 pages:0 https://doi.org/10.1016/j.jsv.2019.115060 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_30 GBV_ILN_40 44.11 Präventivmedizin VZ AR 466 2020 3 0203 0 |
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Enthalten in Cancer of the uterus and treatment of incontinence (CUTI) London volume:466 year:2020 day:3 month:02 pages:0 |
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topological edge states in phononic plates with embedded acoustic black holes |
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Topological edge states in phononic plates with embedded acoustic black holes |
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We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. |
| abstractGer |
We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. |
| abstract_unstemmed |
We report on the design of phononic plates based on a periodic lattice of acoustic black holes (ABH) and capable of supporting topological edge states. The design is based on the established concept of the acoustic valley Hall effect (AVHE) that is the elastic analogue of the quantum valley Hall effect (QVHE) for quantum mechanical systems. The basic structure consists of a triangular lattice of circular ABHs whose symmetry guarantees the existence of Dirac dispersion at the corners of the Brillouin zone. Starting from this symmetric lattice, space inversion symmetry (SIS) can be broken by introducing an angle-dependent scaling of the ABH taper profile. Depending on the sign of the scaling factor, two topologically distinct lattice configurations can be obtained and assembled in order to create a domain wall characterized by unconventional dynamic properties. More specifically, such domain wall supports the formation and propagation of quasi-unidirectional elastic guided modes that are topologically protected against back-scattering due to impurities or defects in the lattice. |
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Topological edge states in phononic plates with embedded acoustic black holes |
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