Topological aspect and the pairing symmetries on spin-triplet chiral p-wave superconductor under strain

2018 ◽  
Vol 536 ◽  
pp. 72-74 ◽  
Author(s):  
Yoshiki Imai ◽  
Manfred Sigrist
2007 ◽  
Vol 244 (10) ◽  
pp. 3559-3571 ◽  
Author(s):  
R. Gonczarek ◽  
M. Krzyzosiak ◽  
L. Jacak ◽  
A. Gonczarek

2009 ◽  
Vol 373 (39) ◽  
pp. 3567-3571 ◽  
Author(s):  
Y.H. Wu ◽  
Z.Y. Wang ◽  
R. Shen

1998 ◽  
Vol 12 (29n31) ◽  
pp. 2939-2945 ◽  
Author(s):  
Y. M. Malozovsky ◽  
J. D. Fan

The attractive (U < 0) and repulsive (U > 0) Hubbard models have been studied using the Fermi liquid perturbation approach. The attractive Hubbard model (U < 0) is an adequate model for 3 He , an incompressible and strongly paramagnetic liquid [Formula: see text], [Formula: see text] for |U|N F = 0.9) with a pseudogap in the charge response. A pairing instability and superfluidity for U < 0 exists in the spin channel only: spin-triplet with l = 0, or spin-singlet with l = 1 (p-wave orbital state j = s + l = 1), where l is the orbital momentum of a pair. The repulsive Hubbard model (U > 0) represents a highly compressible and nearly antiferromagnetic liquid [Formula: see text], [Formula: see text] for UN F = 0.9) with a pseudogap in the spin response. However, for U > 0 a pairing instability and superconductivity exist in the charge channel only: spin-singlet with l = 0 (s-wave), or with l = 2 (d-wave) in the case of an anisotropic Fermi surface.


2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Tianxing Ma ◽  
Fan Yang ◽  
Zhongbing Huang ◽  
Hai-Qing Lin

Abstract We reveal an edge spin triplet p–wave superconducting pairing correlation in slightly doped zigzag graphene nanoribbons. By employing a method that combines random-phase approximation, the finite-temperature determinant quantum Monte Carlo approach, and the ground-state constrained-path quantum Monte Carlo method, it is shown that such a spin-triplet pairing is mediated by the ferromagnetic fluctuations caused by the flat band at the edge. The spin susceptibility and effective pairing interactions at the edge strongly increase as the on-site Coulomb interaction increases, indicating the importance of electron-electron correlations. It is also found that the doping-dependent ground-state p-wave pairing correlation bears some similarity to the famous superconducting dome in the phase diagram of a high-temperature superconductor, while the spin correlation at the edge is weakened as the system is doped away from half filling.


2019 ◽  
Vol 122 (6) ◽  
Author(s):  
Yusei Shimizu ◽  
Daniel Braithwaite ◽  
Dai Aoki ◽  
Bernard Salce ◽  
Jean-Pascal Brison
Keyword(s):  
P Wave ◽  

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