Power law specific heat divergence in Sr3Ru2O7

被引：12

作者：

Rost, A. W. ^{[1
]}

Berridge, A. M. ^{[1
]}

Perry, R. S. ^{[2
]}

Mercure, J-F. ^{[1
]}

Grigera, S. A. ^{[1
,3
]}

Mackenzie, A. P. ^{[1
]}

机构：

[1] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews KY16 9SS, Fife, Scotland

[2] Univ Edinburgh, Sch Phys, SUPA, Edinburgh EH9 3JZ, Midlothian, Scotland

[3] UNLP CONICET, Inst Fis Liquidos & Sistemas Biol, RA-1900 La Plata, Argentina

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2010年 / 247卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

QUALITY SINGLE-CRYSTALS; QUANTUM CRITICALITY; METAMAGNETISM; FLUCTUATIONS; DISORDER;

D O I：

10.1002/pssb.200983068

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We present measurement and analysis of field-dependent specific heat measurements on Sr3Ru2O7, showing that, at low temperatures, an incipient divergence is cut off by the formation of a new phase previously identified to show the transport properties of an electronic nematic. We discuss how to interpret a specific heat divergence in a system with van Hove singularities, and caution against a simple-minded comparison of experimentally determined power laws with the predictions of quantum critical theories. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：513 / 515

页数：3

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