Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films

We have studied the Hall effect in superconducting tantalum nitride films. We find a large contribution to the Hall conductivity near the superconducting transition, which we can track to temperatures well above T[subscript c] and magnetic fields well above the upper critical field H[subscript c2](0...

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Main Authors: Breznay, Nicholas P., Michaeli, Karen, Tikhonov, Konstantin S., Finkel’stein, Alexander M., Tendulkar, Mihir, Kapitulnik, Aharon
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: American Physical Society 2012
Online Access:http://hdl.handle.net/1721.1/72405
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author Breznay, Nicholas P.
Michaeli, Karen
Tikhonov, Konstantin S.
Finkel’stein, Alexander M.
Tendulkar, Mihir
Kapitulnik, Aharon
author2 Massachusetts Institute of Technology. Department of Physics
author_facet Massachusetts Institute of Technology. Department of Physics
Breznay, Nicholas P.
Michaeli, Karen
Tikhonov, Konstantin S.
Finkel’stein, Alexander M.
Tendulkar, Mihir
Kapitulnik, Aharon
author_sort Breznay, Nicholas P.
collection MIT
description We have studied the Hall effect in superconducting tantalum nitride films. We find a large contribution to the Hall conductivity near the superconducting transition, which we can track to temperatures well above T[subscript c] and magnetic fields well above the upper critical field H[subscript c2](0). This contribution arises from Aslamazov-Larkin superconducting fluctuations, and we find quantitative agreement between our data and recent theoretical analysis based on time-dependent Ginzburg-Landau theory.
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spelling mit-1721.1/724052022-09-27T17:01:54Z Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films Breznay, Nicholas P. Michaeli, Karen Tikhonov, Konstantin S. Finkel’stein, Alexander M. Tendulkar, Mihir Kapitulnik, Aharon Massachusetts Institute of Technology. Department of Physics Michaeli, Karen Michaeli, Karen We have studied the Hall effect in superconducting tantalum nitride films. We find a large contribution to the Hall conductivity near the superconducting transition, which we can track to temperatures well above T[subscript c] and magnetic fields well above the upper critical field H[subscript c2](0). This contribution arises from Aslamazov-Larkin superconducting fluctuations, and we find quantitative agreement between our data and recent theoretical analysis based on time-dependent Ginzburg-Landau theory. United States-Israel Binational Science Foundation 2012-08-29T13:11:05Z 2012-08-29T13:11:05Z 2012-07 2012-03 Article http://purl.org/eprint/type/JournalArticle 1098-0121 1550-235X http://hdl.handle.net/1721.1/72405 Breznay, Nicholas et al. “Hall Conductivity Dominated by Fluctuations Near the Superconducting Transition in Disordered Thin Films.” Physical Review B 86.1 (2012). ©2012 American Physical Society en_US http://dx.doi.org/10.1103/PhysRevB.86.014514 Physical Review B Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Physical Society APS
spellingShingle Breznay, Nicholas P.
Michaeli, Karen
Tikhonov, Konstantin S.
Finkel’stein, Alexander M.
Tendulkar, Mihir
Kapitulnik, Aharon
Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
title Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
title_full Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
title_fullStr Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
title_full_unstemmed Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
title_short Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
title_sort hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
url http://hdl.handle.net/1721.1/72405
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