Strunk, Christoph (2021) Quantum Transport of Particles and Entropy. ENTROPY, 23 (12): 1573. ISSN 1099-4300
Full text not available from this repository. (Request a copy)Abstract
A unified view on macroscopic thermodynamics and quantum transport is presented. Thermodynamic processes with an exchange of energy between two systems necessarily involve the flow of other balancable quantities. These flows are first analyzed using a simple drift-diffusion model, which includes the thermoelectric effects, and connects the various transport coefficients to certain thermodynamic susceptibilities and a diffusion coefficient. In the second part of the paper, the connection between macroscopic thermodynamics and quantum statistics is discussed. It is proposed to employ not particles, but elementary Fermi- or Bose-systems as the elementary building blocks of ideal quantum gases. In this way, the transport not only of particles but also of entropy can be derived in a concise way, and is illustrated both for ballistic quantum wires, and for diffusive conductors. In particular, the quantum interference of entropy flow is in close correspondence to that of electric current.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | THERMAL CONDUCTANCE; CHANNEL; THERMOELECTRICITY; FORMULA; FLOW; thermodynamics; quantum transport; thermoelectricity; transport equations |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 28 Jul 2022 06:47 |
| Last Modified: | 28 Jul 2022 06:47 |
| URI: | https://pred.uni-regensburg.de/id/eprint/45973 |
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