Low- and zero-energy quasiparticle heat transport in high-Tc superconductors

S. Nakamae; C. Capan; K. Behnia; N. E. Hussey; F. Rullier-Albenque; S. Adachi; S. Tajima; C. Urano; Y. Takagi; T. Tamegai; C. Marin; E. Walker

doi:10.1016/S0022-3697(02)00109-9

Low- and zero-energy quasiparticle heat transport in high-T_c superconductors

S. Nakamae
, C. Capan
, K. Behnia
, N. E. Hussey
, F. Rullier-Albenque
, S. Adachi
, S. Tajima
, C. Urano
, Y. Takagi
, T. Tamegai
, C. Marin
, E. Walker

Laboratoire de Physique Quantique
PSL Research University
H.H. Willis Laboratory
University of Bristol
Université Paris-Saclay
Department Of Advanced Materials Science
University of Tokyo
ISTEC
Department of Applied Physics
Univ. Joseph Fourier-Grenoble 1
University of Geneva

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A review of our recent measurements on subkelvin thermal conductivity in single crystals of high-T_c cuprates is presented. At optimal doping, both Bi₂Sr₂CaCu₂O₈ and YBa₂Cu₃O₇ exhibit a finite linear term in the temperature-dependence of their thermal conductivity. Moreover, in the former compound the size of the linear term does not change after the introduction of disorder by electron irradiation. Both these observations are in agreement with the standard theory of heat transport by nodal quasiparticles in d-wave superconductors. Surprisingly in the two underdoped systems studied here, the linear term is either too small (La_1-xSR_xCuO₄, x = 0.8) or absent (YBa₂Cu₄O₈). The results point out the limits of our current theoretical understanding of transport by low-energy quasiparticles in the underdoped regime.

Original language	English
Pages (from-to)	1065-1068
Number of pages	4
Journal	Journal of Physics and Chemistry of Solids
Volume	63
Issue number	6-8
DOIs	https://doi.org/10.1016/S0022-3697(02)00109-9
Publication status	Published - 1 Jan 2002
Externally published	Yes

Keywords

D. Superconductivity
D. Thermal conductivity
D. Transport properties

Access to Document

10.1016/S0022-3697(02)00109-9

Cite this

@article{41aee7ef33264b899086095b8e210c8e,

title = "Low- and zero-energy quasiparticle heat transport in high-Tc superconductors",

abstract = "A review of our recent measurements on subkelvin thermal conductivity in single crystals of high-Tc cuprates is presented. At optimal doping, both Bi2Sr2CaCu2O8 and YBa2Cu3O7 exhibit a finite linear term in the temperature-dependence of their thermal conductivity. Moreover, in the former compound the size of the linear term does not change after the introduction of disorder by electron irradiation. Both these observations are in agreement with the standard theory of heat transport by nodal quasiparticles in d-wave superconductors. Surprisingly in the two underdoped systems studied here, the linear term is either too small (La1-xSRxCuO4, x = 0.8) or absent (YBa2Cu4O8). The results point out the limits of our current theoretical understanding of transport by low-energy quasiparticles in the underdoped regime.",

keywords = "D. Superconductivity, D. Thermal conductivity, D. Transport properties",

author = "S. Nakamae and C. Capan and K. Behnia and Hussey, \{N. E.\} and F. Rullier-Albenque and S. Adachi and S. Tajima and C. Urano and Y. Takagi and T. Tamegai and C. Marin and E. Walker",

year = "2002",

month = jan,

day = "1",

doi = "10.1016/S0022-3697(02)00109-9",

language = "English",

volume = "63",

pages = "1065--1068",

journal = "Journal of Physics and Chemistry of Solids",

issn = "0022-3697",

publisher = "Elsevier Ltd",

number = "6-8",

}

TY - JOUR

T1 - Low- and zero-energy quasiparticle heat transport in high-Tc superconductors

AU - Nakamae, S.

AU - Capan, C.

AU - Behnia, K.

AU - Hussey, N. E.

AU - Rullier-Albenque, F.

AU - Adachi, S.

AU - Tajima, S.

AU - Urano, C.

AU - Takagi, Y.

AU - Tamegai, T.

AU - Marin, C.

AU - Walker, E.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - A review of our recent measurements on subkelvin thermal conductivity in single crystals of high-Tc cuprates is presented. At optimal doping, both Bi2Sr2CaCu2O8 and YBa2Cu3O7 exhibit a finite linear term in the temperature-dependence of their thermal conductivity. Moreover, in the former compound the size of the linear term does not change after the introduction of disorder by electron irradiation. Both these observations are in agreement with the standard theory of heat transport by nodal quasiparticles in d-wave superconductors. Surprisingly in the two underdoped systems studied here, the linear term is either too small (La1-xSRxCuO4, x = 0.8) or absent (YBa2Cu4O8). The results point out the limits of our current theoretical understanding of transport by low-energy quasiparticles in the underdoped regime.

AB - A review of our recent measurements on subkelvin thermal conductivity in single crystals of high-Tc cuprates is presented. At optimal doping, both Bi2Sr2CaCu2O8 and YBa2Cu3O7 exhibit a finite linear term in the temperature-dependence of their thermal conductivity. Moreover, in the former compound the size of the linear term does not change after the introduction of disorder by electron irradiation. Both these observations are in agreement with the standard theory of heat transport by nodal quasiparticles in d-wave superconductors. Surprisingly in the two underdoped systems studied here, the linear term is either too small (La1-xSRxCuO4, x = 0.8) or absent (YBa2Cu4O8). The results point out the limits of our current theoretical understanding of transport by low-energy quasiparticles in the underdoped regime.

KW - D. Superconductivity

KW - D. Thermal conductivity

KW - D. Transport properties

U2 - 10.1016/S0022-3697(02)00109-9

DO - 10.1016/S0022-3697(02)00109-9

M3 - Article

AN - SCOPUS:0036602434

SN - 0022-3697

VL - 63

SP - 1065

EP - 1068

JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

IS - 6-8