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  Heat Transport in a Strongly Overdoped Cuprate: Fermi Liquid and a Pure d-Wave BCS Superconductor

Proust, C., Boaknin, E., Hill, R. W., Taillefer, L., & Mackenzie, A. P. (2002). Heat Transport in a Strongly Overdoped Cuprate: Fermi Liquid and a Pure d-Wave BCS Superconductor. Physical Review Letters, 89(14): 147003, pp. 1-4. doi:10.1103/PhysRevLett.89.147003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-EFB0-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-EFB4-5
Genre: Journal Article

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 Creators:
Proust, Cyril1, Author
Boaknin, Etienne1, Author
Hill, R. W.1, Author
Taillefer, Louis1, Author
Mackenzie, A. P.2, Author              
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: The transport of heat and charge in the overdoped cuprate superconductor Tl2Ba2CuO6+delta was measured down to low temperature. In the normal state, obtained by applying a magnetic field greater than the upper critical field, the Wiedemann-Franz law is verified to hold perfectly. In the superconducting state, a large residual linear term is observed in the thermal conductivity, in quantitative agreement with BCS theory for a d-wave superconductor. This is compelling evidence that the electrons in overdoped cuprates form a Fermi liquid, with no indication of spin-charge separation.

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 Dates: 2002-09-16
 Publication Status: Published in print
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 89 (14) Sequence Number: 147003 Start / End Page: 1 - 4 Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1