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  Time-Dependent Thermal Transport Theory

Biele, R., D'Agosta, R., & Rubio, A. (2015). Time-Dependent Thermal Transport Theory. Physical Review Letters, 115(5): 056801. doi:10.1103/PhysRevLett.115.056801.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-2CDF-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-5979-2
Genre: Journal Article

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PhysRevLett.115.056801.pdf (Publisher version), 497KB
 
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 Creators:
Biele, Robert1, Author
D'Agosta, Roberto1, 2, Author
Rubio, Angel1, 3, Author              
Affiliations:
1Nano-Bio Spectroscopy Group and European Theoretical Spectroscopy Facility (ETSF), Universidad del País Vasco, E-20018 San Sebastián, Spain, ou_persistent22              
2IKERBASQUE, Basque Foundation for Science, E-48013, Bilbao, Spain, ou_persistent22              
3Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074320              

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Free keywords: PACS numbers: 73.63.-b, 71.15.Mb, 73.21.-b
 Abstract: Understanding thermal transport in nanoscale systems presents important challenges to both theory and experiment. In particular, the concept of local temperature at the nanoscale appears difficult to justify. Here, we propose a theoretical approach where we replace the temperature gradient with controllable external blackbody radiations. The theory recovers known physical results, for example, the linear relation between the thermal current and the temperature difference of two blackbodies. Furthermore, our theory is not limited to the linear regime and goes beyond accounting for nonlinear effects and transient phenomena. Since the present theory is general and can be adapted to describe both electron and phonon dynamics, it provides a first step toward a unified formalism for investigating thermal and electronic transport.

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Language(s): eng - English
 Dates: 2015-04-242014-12-182015-07-282015-07-31
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.115.056801
arXiv: 1412.5765
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 115 (5) Sequence Number: 056801 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1