Evidence for a new transition in Bi2Sr2CaCu2O8 from quasi-particle heat transport in field

Authors
Krishana, K Ong, NP Li, Q Gu, GD Koshizu, N
Citation
K. Krishana et al., Evidence for a new transition in Bi2Sr2CaCu2O8 from quasi-particle heat transport in field, J PHYS CH S, 59(10-12), 1998, pp. 2088-2090
Citations number
15
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
ISSN journal
00223697 → ACNP
Volume
59
Issue
10-12
Year of publication
1998
Pages
2088 - 2090
Database
ISI
SICI code
0022-3697(199810/12)59:10-12<2088:EFANTI>2.0.ZU;2-
Abstract
The held profile of the in-plane thermal conductivity kappa in Bi2Sr2CaCu2O 8 displays a striking anomaly below 20 K. At a 'kink'' field H-k, the profi le exhibits a sharp break in slope, followed by a plateau in which kappa is field independent. The anomaly suggests a phase transition of the condensa te to a state in which the quasi-particle heat current is zero. We discuss aspects of the experiment and some recent interpretations. (C) 1998 Elsevie r Science Ltd. All rights reserved.