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Related papers: Fulde-Ferrell-Larkin-Ovchinnikov state in d-wave s…

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We study Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state of superconductors with and without inversion symmetry based on the Hubbard model on the square lattice near half-filling, using the random phase approximation. We show that center of…

Superconductivity · Physics 2009-11-13 Takehito Yokoyama , Seiichiro Onari , Yukio Tanaka

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase, a superconducting state with non-zero total momentum Cooper pairs in a large magnetic field, was first predicted about 50 years ago, and since then became an important concept in many…

Quantum Gases · Physics 2014-02-24 Yong Xu , Chunlei Qu , Ming Gong , Chuanwei Zhang

We study the phase diagram of a one-dimensional, two-component attractive fermions on optical lattices in an off-diagonal confinement. We identify in this system a pure Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state with spatially modulated…

Strongly Correlated Electrons · Physics 2012-04-17 A-Hai Chen , Gao Xianlong

In superconductors with singlet pairing, the inhomogeneous Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is expected to be stabilized by a large Zeeman splitting. We develop an efficient method to evaluate the Landau-Ginzburg free energies…

Superconductivity · Physics 2009-11-10 Kun Yang , A. H. MacDonald

The critical field behavior of a layered Ising superconductor with finite number of layers is studied. Under in-plane magnetic fields, the finite-momentum superconductivity dubbed as the orbital Fulde- Ferrell-Larkin-Ovchinnikov state is…

Superconductivity · Physics 2023-10-03 Noah F. Q. Yuan

We present the study of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) pairing states in the $p$-orbital bands in both two and three-dimensional optical lattices. Due to the quasi one-dimensional band structure which arises from the…

Quantum Gases · Physics 2011-07-01 Zi Cai , Yupeng Wang , Congjun Wu

The antiferromagnetic Fulde-Ferrell-Larkin-Ovchinnikov (AFM-FFLO) state of coexisting d-wave FFLO superconductivity and incommensurate AFM order is studied on the basis of Bogoliubov-de Gennes (BdG) equations. We show that the…

Superconductivity · Physics 2015-05-13 Youichi Yanase , Manfred Sigrist

Superconductor with a spatially-modulated order parameter is known as Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconductor. Using the time-dependent Ginzburg-Landau (TDGL) formalism we have theoretically studied the temporal behaviour of…

Superconductivity · Physics 2013-02-08 Arghya Dutta , Jayanta K. Bhattacharjee

Motivated by a striking observation of a Fulde-Ferell-Larkin-Ovchinnikov (FFLO) vortex state in the heavy fermion material CeCoIn5 in fields {\it perpendicular} to the superconducting planes (${\bf H} \parallel c$), superconducting phase…

Superconductivity · Physics 2009-11-13 Ryusuke Ikeda

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 $d$-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 study the effect of a parallel magnetic field in a thin and small superconductor. The field suppresses superconductivity through Zeeman coupling while stabilizes the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state at high fields before…

Superconductivity · Physics 2019-02-21 Tom Kim , Chih-Chun Chien , Shi-Zeng Lin

It is predicted that a new class of systems - superconductor/normal metal (S/N) heterostructures can reveal the in-plane Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) instability under nonequilibrium conditions at temperatures close to the…

Superconductivity · Physics 2015-06-16 I. V. Bobkova , A. M. Bobkov

The exotic Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) states have been actively searched for experimentally since the mean-field based FFLO theories were put forward half a century ago. Here we investigate the stability of FFLO states against…

Superconductivity · Physics 2018-04-25 Jibiao Wang , Yanming Che , Leifeng Zhang , Qijin Chen

The possibility of a Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state in a population imbalanced Fermi gas with a vortex is proposed. Employing the Bogoliubov-de-Gennes formalism we self-consistently determine the superfluid order parameter…

Quantum Gases · Physics 2021-05-12 Daisuke Inotani , Shigehiro Yasui , Takeshi Mizushima , Muneto Nitta

The crystal structure determines both the Fermi surface and pairing symmetry of the superconducting metals. It is demonstrated in the framework of the general phenomenological approach that this is of the primary importance for the…

Superconductivity · Physics 2009-11-13 D. Denisov , A. Buzdin , H. Shimahara

The first observation of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconducting state and a subsequent detection of the spin-dependent effective masses of quasiparticles in the CeCoIn_5 heavy fermion system are combined into a single…

Strongly Correlated Electrons · Physics 2008-09-11 J. Spalek , M. Maska , M. Mierzejewski , J. Kaczmarczyk

We calculate the Pauli-limited upper critical field and the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) instability for {\it dirty} d-wave superconductors within the quasiclassical theory using the self-consistent $\hat{t}$-matrix approximation…

Superconductivity · Physics 2008-11-14 A. B. Vorontsov , I. Vekhter , M. J. Graf

We examine the coexistence of the vortex state and the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state in quasi-two-dimensional type-II superconductors and the crossover from the coexistence state to the pure FFLO state when the Maki…

Superconductivity · Physics 2013-05-29 Hiroshi Shimahara

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase in the vortex lattice state is quantitatively studied using the selfconsistent Eilenberger theory in three-dimensional (3D) space. We estimate free energy to determine the FFLO phase diagram…

Superconductivity · Physics 2011-12-06 Kenta M. Suzuki , Yasumasa Tsutsumi , Noriyuki Nakai , Masanori Ichioka , Kazushige Machida