Multiple phase transitions in Pauli-limited iron-based superconductors

被引：17
|
作者：
Ptok, Andrzej [1 ]
机构：
[1] Polish Acad Sci, Inst Nucl Phys, PL-31342 Krakow, Poland
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2015年 / 27卷 / 48期
关键词：
superconductivity; pnictides; FFLO; phase transitions; LARKIN-OVCHINNIKOV STATE; UNCONVENTIONAL SUPERCONDUCTIVITY; METASTABILITY; SEPARATION; MODEL;
D O I：
10.1088/0953-8984/27/48/482001
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Specific heat measurements have been successfully used to probe unconventional superconducting phases in one-band heavy-fermion and organic superconductors. We extend the method to study successive phase transitions in multi-band materials such as iron-based superconductors. The signatures are multiple peaks in the specific heat, at low temperatures and high magnetic field, which can lead to the experimental verification of unconventional superconducting states with non-zero total momentum.
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页数：6
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