Meidan, Dganit and Rosenow, Bernd and Oreg, Yuval and Refael, Gil (2011) Gapless Excitations in Strongly Fluctuating Superconducting Wires. Physical Review Letters, 107 (22). Art. No. 227004. ISSN 0031-9007. doi:10.1103/PhysRevLett.107.227004. https://resolver.caltech.edu/CaltechAUTHORS:20111216-150959334
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Use this Persistent URL to link to this item: https://resolver.caltech.edu/CaltechAUTHORS:20111216-150959334
Abstract
We study the low-temperature tunneling density of states of thin wires where superconductivity is destroyed through quantum phase-slip proliferation. Although this regime is believed to behave as an insulator, we show that for a large temperature range this phase is characterized by a conductivity falling off at most linearly with temperature, and has a gapless excitation spectrum. This novel conducting phase results from electron-electron interaction induced pair breaking. Also, it may help clarify the low-temperature metallic features found in films and wires whose bulk realization is superconducting.
Item Type: | Article | ||||||||||||
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Additional Information: | © 2011 American Physical Society. Received 8 August 2011; published 22 November 2011. We acknowledge helpful discussions with E. A. Demler, B. I. Halperin, P. A. Lee, and T. Senthil. We thank the Packard Foundation, BSF, DIP, the Alexander von Humboldt Foundation and the Aspen Center for Physics. | ||||||||||||
Group: | Institute for Quantum Information and Matter | ||||||||||||
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Issue or Number: | 22 | ||||||||||||
Classification Code: | PACS: 74.40.-n, 73.21.Hb, 74.55.+v, 74.78.Na | ||||||||||||
DOI: | 10.1103/PhysRevLett.107.227004 | ||||||||||||
Record Number: | CaltechAUTHORS:20111216-150959334 | ||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20111216-150959334 | ||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
ID Code: | 28500 | ||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||
Deposited By: | Tony Diaz | ||||||||||||
Deposited On: | 19 Dec 2011 18:30 | ||||||||||||
Last Modified: | 09 Nov 2021 16:57 |
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