Separated spin and charge degrees of freedom in high-Tc superconductors

被引：0
作者：
Krusin-Elbaum, L
Shibauchi, T
Blatter, G
机构：
[1] IBM Corp, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA
[2] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan
[3] ETH Honggerberg, CH-8093 Zurich, Switzerland
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2005年 / 19卷 / 1-3期
关键词：
pseudogap; phase diagram; upper critical field; Fermi surface; BI2SR2CACU2O8+DELTA; PSEUDOGAP; FIELD; STATE;
D O I：
10.1142/S0217979205028219
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Recent Nernst and interlayer transport experiments in Bi2Sr2CaCu2O8+y (BSCCO) high temperature superconductors report hugely different limiting magnetic flelds. We demonstrate that both fields convert to the same pseudogap energy scale T* upon transformation as orbital and Zeeman critical fields, respectively. We suggest a consistent interpretation of this finding based on separation of spin and charge degrees of freedom residing in different regions of a truncated Fermi surface.
引用
收藏
页码：193 / 197
页数：5
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