Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs
Clean two-dimensional Dirac systems have received a great deal of attention for being a prime candidate to observe hydrodynamical transport behavior in interacting electronic systems. This is mostly due to recent advances in the preparation of ultrapure samples with sufficiently strong interactions....
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2022-11-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.4.043107 |
| _version_ | 1797210557639557120 |
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| author | Kitinan Pongsangangan Simonas Grubinskas Lars Fritz |
| author_facet | Kitinan Pongsangangan Simonas Grubinskas Lars Fritz |
| author_sort | Kitinan Pongsangangan |
| collection | DOAJ |
| description | Clean two-dimensional Dirac systems have received a great deal of attention for being a prime candidate to observe hydrodynamical transport behavior in interacting electronic systems. This is mostly due to recent advances in the preparation of ultrapure samples with sufficiently strong interactions. In this paper we investigate the role of collective modes in the thermoelectric transport properties of those systems. We find that dynamical particle-hole pairs, plasmons, make a sizable contribution to the thermal conductivity. While the increase at the Dirac point is moderate, it becomes large towards larger doping. We suspect that this is a generic feature of ultraclean two-dimensional electronic systems, also applicable to degenerate systems. |
| first_indexed | 2024-04-24T10:12:29Z |
| format | Article |
| id | doaj.art-11f869ed24c644fe9f6a0788f949be3b |
| institution | Directory Open Access Journal |
| issn | 2643-1564 |
| language | English |
| last_indexed | 2024-04-24T10:12:29Z |
| publishDate | 2022-11-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj.art-11f869ed24c644fe9f6a0788f949be3b2024-04-12T17:26:11ZengAmerican Physical SocietyPhysical Review Research2643-15642022-11-014404310710.1103/PhysRevResearch.4.043107Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairsKitinan PongsanganganSimonas GrubinskasLars FritzClean two-dimensional Dirac systems have received a great deal of attention for being a prime candidate to observe hydrodynamical transport behavior in interacting electronic systems. This is mostly due to recent advances in the preparation of ultrapure samples with sufficiently strong interactions. In this paper we investigate the role of collective modes in the thermoelectric transport properties of those systems. We find that dynamical particle-hole pairs, plasmons, make a sizable contribution to the thermal conductivity. While the increase at the Dirac point is moderate, it becomes large towards larger doping. We suspect that this is a generic feature of ultraclean two-dimensional electronic systems, also applicable to degenerate systems.http://doi.org/10.1103/PhysRevResearch.4.043107 |
| spellingShingle | Kitinan Pongsangangan Simonas Grubinskas Lars Fritz Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs Physical Review Research |
| title | Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs |
| title_full | Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs |
| title_fullStr | Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs |
| title_full_unstemmed | Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs |
| title_short | Thermoelectric response in two-dimensional Dirac systems: Role of particle-hole pairs |
| title_sort | thermoelectric response in two dimensional dirac systems role of particle hole pairs |
| url | http://doi.org/10.1103/PhysRevResearch.4.043107 |
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