Thermopower and thermal conductance of a superconducting quantum point contact

Pershoguba, Sergey S.; Glazman, Leonid I.

doi:10.1103/physrevb.99.134514

Thermopower and thermal conductance of a superconducting quantum point contact

Journal Article · Thu Apr 18 00:00:00 EDT 2019 · Physical Review. B

DOI:https://doi.org/10.1103/physrevb.99.134514· OSTI ID:1609976

Pershoguba, Sergey S. ^[1]; Glazman, Leonid I. ^[2]

Yale Univ., New Haven, CT (United States); DOE/OSTI
Yale Univ., New Haven, CT (United States)

We find the charge and heat currents caused by a temperature difference applied to a superconducting point contact or to a quantum point contact between a superconducting and normal conductors. Here, the results are formulated in terms of the properties of the electron scattering matrix of the quantum point contact in its normal state, and are valid at any transmission coefficient. In the low-transmission limit, the theory provides reliable results, setting the limits for the use of the popular method of the tunneling Hamiltonian.

View Accepted Manuscript (DOE)

Research Organization:: Yale Univ., New Haven, CT (United States)

Sponsoring Organization:: USDOE Office of Science (SC); ARO

Grant/Contract Number:: FG02-08ER46482

OSTI ID:: 1609976

Alternate ID(s):: OSTI ID: 1546203

Journal Information:: Physical Review. B, Journal Name: Physical Review. B Journal Issue: 13 Vol. 99; ISSN 2469-9950; ISSN PRBMDO

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (5)

Interaction-Assisted Reversal of Thermopower with Ultracold Atoms Häusler, Samuel; Fabritius, Philipp; Mohan, Jeffrey Physical Review X, Vol. 11, Issue 2 https://doi.org/10.1103/physrevx.11.021034	journal	May 2021
Landauer Formula for a Superconducting Quantum Point Contact Pershoguba, Sergey S.; Veness, Thomas; Glazman, Leonid I. arXiv https://doi.org/10.48550/arxiv.1906.01682	text	January 2019
Levitons in superconducting point contacts Acciai, Matteo; Ronetti, Flavio; Ferraro, Dario Physical Review B, Vol. 100, Issue 8 https://doi.org/10.1103/physrevb.100.085418	journal	August 2019
Mesoscopic effects in the heat conductance of superconducting-normal-superconducting and normal-superconducting junctions Hajiloo, Fatemeh; Hassler, Fabian; Splettstoesser, Janine Physical Review B, Vol. 99, Issue 23 https://doi.org/10.1103/physrevb.99.235422	journal	June 2019
Mesoscopic effects in the heat conductance of superconducting-normal-superconducting and normal-superconducting junctions Hajiloo, Fatemeh; Hassler, Fabian; Splettstoesser, Janine arXiv https://doi.org/10.48550/arxiv.1901.11402	text	January 2019

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Thermopower and thermal conductance of a superconducting quantum point contact

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References (60)

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Figures / Tables (8)

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