Non-linear phonon Peltier effect in dissipative quantum dot systems
| Autor: | Bhaskaran Muralidharan, Bitan De |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Work (thermodynamics)
Thermoelectric cooling Phonon NANOTUBE MECHANICAL RESONATORS lcsh:Medicine 02 engineering and technology Electron 01 natural sciences THERMOELECTRICITY Article Condensed Matter::Materials Science Condensed Matter::Superconductivity 0103 physical sciences Thermoelectric effect OSCILLATIONS 010306 general physics lcsh:Science Physics Multidisciplinary Heat current Condensed matter physics lcsh:R MOLECULAR JUNCTIONS 021001 nanoscience & nanotechnology TRANSPORT Computer Science::Other Quantum dot Dissipative system lcsh:Q Condensed Matter::Strongly Correlated Electrons 0210 nano-technology |
| Zdroj: | Scientific Reports Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018) |
| ISSN: | 2045-2322 |
| Popis: | Solid state thermoelectric cooling is based on the electronic Peltier effect, which cools via an electronic heat current in the absence of an applied temperature gradient. In this work, we demonstrate that equivalently, a phonon Peltier effect may arise in the non-linear thermoelectric transport regime of a dissipative quantum dot thermoelectric setup described via Anderson-Holstein model. This effect leads to an electron induced phonon heat current in the absence of a thermal gradient. Utilizing the modification of quasi-equilibrium phonon distribution via charge induced phonon accumulation, we show that in a special case the polarity of the phonon heat current can be reversed so that setup can dump heat into the hotter reservoirs. In further exploring possibilities that can arise from this effect, we propose a novel charge-induced phonon switching mechanism that may be incited via electrostatic gating. |
| Databáze: | OpenAIRE |
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