Singlet/triplet transition in a two-band organic superconductor

被引：1

作者：

Abramovici, G. ^{[1
]}

Belmechri, N. ^{[1
]}

Heritier, M. ^{[1
]}

机构：

[1] Univ Paris 11, CNRS, UMR 8502, Phys Solides Lab, F-91405 Orsay, France

来源：

SOLID STATE SCIENCES | 2008年 / 10卷 / 12期

关键词：

Superconductors; Strongly interacting electrons; Magnetism; Triplet symmetry; Singlet symmetry; Phase transition;

D O I：

10.1016/j.solidstatesciences.2008.01.029

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We study quasi-one-dimensional organic superconductors with two-band dispersion. We use spin ladder approximation with the Hubbard model. We determine the symmetry of the Cooper pairing by calculating the free energy. Thanks to close values of singlet and triplet scatterings, the phase diagram reveals that, at high magnetic field, the triplet configuration is more favorable, indicating a transition from singlet superconducting state at low fields to triplet one. This result confirms similar ones in one-band system and can explain recent experimental results on (TMTSF)(2)ClO4. (C) 2008 Elsevier Masson SAS. All rights reserved.

引用

页码：1790 / 1793

页数：4

共 50 条

[1] Coexistent symmetries in a two-band organic superconductor
Abramovici, G.
Vinatier, T.
Heritier, M.
SOLID STATE COMMUNICATIONS, 2013, 169 : 42 - 45
[2] Properties of edge states in a spin-triplet two-band superconductor
Imai, Yoshiki
Wakabayashi, Katsunori
Sigrist, Manfred
PHYSICAL REVIEW B, 2012, 85 (17):
[3] Soliton in two-band superconductor
Tanaka, Y
PHYSICAL REVIEW LETTERS, 2002, 88 (01) : 3
[4] Optical conductivity of a two-band superconductor
P. I. Arseev
S. O. Loiko
N. K. Fedorov
JETP Letters, 2008, 87 : 299 - 305
[5] Optical conductivity of a two-band superconductor
Arseev, P. I.
Loiko, S. O.
Fedorov, N. K.
JETP LETTERS, 2008, 87 (06) : 299 - 305
[6] Vortex in Holographic Two-band Superconductor
Wu, Shang-Yu
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2016, 29 (03) : 593 - 596
[7] Vortex in Holographic Two-band Superconductor
Shang-Yu Wu
Journal of Superconductivity and Novel Magnetism, 2016, 29 : 593 - 596
[8] Holographic model of a two-band superconductor
Wen, Wen-Yu
Wu, Mu-Sheng
Wu, Shang-Yu
PHYSICAL REVIEW D, 2014, 89 (06):
[9] Two-band superconductor magnesium diboride
Xi, X. X.
REPORTS ON PROGRESS IN PHYSICS, 2008, 71 (11)
[10] Collective excitations and response functions of two-band band-singlet and spin-triplet superconductors
Lee, H. C.
JOURNAL OF PHYSICS-CONDENSED MATTER, 2011, 23 (05)

← 1 2 3 4 5 →