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Related papers: Modulated vortex states in Rashba non-centrosymmet…

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We explore superconducting instability for a clean two-band layered superconductor with deep and shallow bands in the magnetic field applied perpendicular to the layers. In the shallow band, the quasiclassical approximation is not…

Superconductivity · Physics 2018-06-29 Kok Wee Song , Alexei E. Koshelev

We consider the vortex matter in a three-dimensional two-component superconductor with individually conserved condensates with different bare phase stiffnesses in a finite magnetic field, such as the projected superconducting state of…

Superconductivity · Physics 2007-05-23 Eivind Smorgrav , Jo Smiseth , Egor Babaev , Asle Sudbo

The $d$-wave superconductor $\mathrm{CeCoIn_5}$ has been proposed as a strong candidate for supporting the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state near the low-temperature boundary of its upper critical field. Neutron diffraction,…

Superconductivity · Physics 2020-06-02 Shi-Zeng Lin , Duk Y. Kim , Eric D. Bauer , Filip Ronning , J. D. Thompson , Roman Movshovich

We discuss some properties of the ferromagnet-superconductor proximity system. In particular, the emphasis is put on the physics of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) like state. In addition to Andreev reflections it features a…

Superconductivity · Physics 2007-05-23 B. L. Gyorffy , M. Krawiec , J. F. Annett

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase, a superconducting state with non-zero total momentum Cooper pairs in a strong magnetic field, was predicted more than 50 years ago and now becomes an important concept in many branches of…

Quantum Gases · Physics 2016-03-29 Zhen Zheng , Ming Gong , Yichao Zhang , Xubo Zou , Chuanwei Zhang , Guangcan Guo

We show that the nonuniform state (Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) state) of the spin triplet superconductivity in noncentrosymmetric systems is stabilized by antisymmetric spin-orbit coupling even if the magnetic field is absent.…

Superconductivity · Physics 2015-06-25 Hiroko Tanaka , Hirono Kaneyasu , Yasumasa Hasegawa

Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superfluids, Cooper pairings with finite momentum, and Majorana fermions (MFs), quasiparticles with non-Abelian exchange statistics, are two topics under intensive investigation in the past several…

Quantum Gases · Physics 2015-06-23 Zhen Zheng , Chunlei Qu , Xubo Zou , Chuanwei Zhang

We demonstrate exotic stable quasi-two-dimensional solitons in a Rashba or a Dresselhaus spin-orbit (SO) coupled hyperfine spin-1 ($F=1$) trap-less antiferromagnetic Bose-Einstein condensate using the mean-field Gross-Pitaevskii equation.…

Quantum Gases · Physics 2021-01-08 S. K. Adhikari

Effect of the phase fluctuations of the order parameter on the stability of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) states are examined in exactly two-dimensional (2D) type-II superconductors with cylindrically symmetric Fermi surface…

Superconductivity · Physics 2015-06-24 Hiroshi Shimahara

We consider a two-component gas of fermions in optical lattices in the presence of a population imbalance within a mean-field theory. We study phase transitions from a normal gas of unpaired fermions to a superfluid phase of Bose-condensed…

Quantum Gases · Physics 2016-01-20 J. E. Baarsma , P. Törmä

Finite-momentum superconductivity has become an important research topic in condensed matter physics. In particular, the orbital Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state, which is stabi lized in atomically thin films by the orbital…

Superconductivity · Physics 2025-06-27 Michiya Chazono , Youichi Yanase

We show that a wide class of layered superconductor-ferromagnet (S/F) hybrids demonstrate the emergence of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase well below the superconducting transition temperature. Decreasing the temperature…

Superconductivity · Physics 2018-08-29 S. V. Mironov , D. Yu. Vodolazov , Y. Yerin , A. V. Samokhvalov , A. S. Mel'nikov , A. Buzdin

We study through controlled numerical simulation the ground state properties of spin-polarized strongly interacting fermi gas in an anisotropic optical lattice, which is described by an effective one-dimensional general Hubbard model with…

Quantum Physics · Physics 2009-06-24 B. Wang , L. -M. Duan

We propose here that for a spin-imbalanced two-component attractive Fermi gas loaded in a 1D optical lattice in presence of an harmonic confining potential, the observation of the change in the double occupancy after a lattice depth…

Quantum Gases · Physics 2010-09-15 A. Korolyuk , F. Massel , P. Törmä

Superconductivity and magnetism generally do not coexist. Changing the relative number of up and down spin electrons disrupts the basic mechanism of superconductivity, where atoms of opposite momentum and spin form Cooper pairs. Nearly…

We develop a low-energy model of a unidirectional Larkin-Ovchinnikov (LO) state. Because the underlying rotational and translational symmetries are broken spontaneously, this gapless superfluid is a smectic liquid crystal, that exhibits…

Superconductivity · Physics 2013-05-29 Leo Radzihovsky , Ashvin Vishwanath

We present an analysis of the magnetic field distribution in the Abrikosov lattice of high-$\kappa$ superconductors with singlet pairing in the case where the critical field is mainly determined by the Pauli limit and the superfluid…

Superconductivity · Physics 2015-05-20 V. P. Michal , V. P. Mineev

We investigate the superconductivity of two-dimensional spin-1/2 Fermi systems with $d$-wave altermagnetism under external magnetic field near zero temperature. At large altermagnetic coupling without magnetic field, we show that…

Superconductivity · Physics 2026-01-13 Hui Hu , Zhao Liu , Xia-Ji Liu

A sufficiently large parallel magnetic field will generate staggered supercurrent loops and superfluid density wave in two weakly linked superconducting (SC) ultrathin films, resulting in an inhomogeneous Fulde-Ferrell-Larkin-Ovchinnikov…

Superconductivity · Physics 2022-03-25 Gao-Wei Qiu , Yi Zhou

The response of a single vortex to a time dependent field is examined microscopically and an equation of motion for vortex motion at non-zero frequencies is derived. Of interest are frequencies near $\Delta^{2}/E_{F}$, where $\Delta$ is the…

Condensed Matter · Physics 2009-10-22 Theodore C. Hsu