English
Related papers

Related papers: Topological Fulde-Ferrell Superfluids in Triangula…

200 papers

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state can emerge in superconductors for which the orbital critical field exceeds the Pauli limit. Here, we present angular-resolved specific-heat data of the quasi-two-dimensional organic…

Superconductivity · Physics 2022-08-10 Tommy Kotte , Hannes Kühne , John A Schlueter , Gertrud Zwicknagl , J. Wosnitza

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

Spin-imbalanced ultracold Fermi gases have been widely studied recently as a platform for exploring the long-sought Fulde-Ferrell-Larkin-Ovchinnikov superfluid phases, but so far conclusive evidence has not been found. Here we propose to…

Quantum Gases · Physics 2016-03-31 Zhen Zheng , Chunlei Qu , Xubo Zou , Chuanwei Zhang

We describe boundary effects in superconducting systems with Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconducting instability, using Bogoliubov-de-Gennes and Ginzburg-Landau (GL) formalisms. First, we show that in dimensions larger than…

Superconductivity · Physics 2020-04-22 Albert Samoilenka , Mats Barkman , Andrea Benfenati , Egor Babaev

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

We theoretically explore a promising route to achieve the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state in a spin-imbalanced ultracold Fermi gas. In the current stage of cold atom physics, search for this exotic Fermi superfluid is facing…

Quantum Gases · Physics 2022-09-30 Taira Kawamura , Yoji Ohashi

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 Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state of a two-dimensional (2D) orthorhombic lattice superconductor is studied based on the Bogoliubov-de-Gennes equations. It is illustrated that the 2D FFLO state is suppressed and only…

Superconductivity · Physics 2012-06-19 S. L. Liu , Tao Zhou

Experimental evidence suggests that the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state may be realized in the unconventional, heavy-fermion superconductor CeCoIn$_5$. We present a self-consistent calculation of the field versus temperature…

Superconductivity · Physics 2007-05-23 A. B. Vorontsov , J. A. Sauls , M. J. Graf

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

Orbital Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) states are analyzed within mean-field theory, where orbital FF state is layer-polarized with inversion symmetry broken, while orbital LO state is Josephson vortex array with translation…

Superconductivity · Physics 2025-02-26 Noah F. Q. Yuan

We study an effect of rotation on the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state of two component Fermi superfluid gases in a toroidal trap. We investigate a stability of the FFLO states in the quasi-one-dimensional regime on the basis…

Quantum Gases · Physics 2015-06-03 Tomohiro Yoshida , Youichi Yanase

Motivated by recent NMR data suggesting the presence of a Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) vortex lattice in magnetic fields perpendicular to the superconducting plane in the heavy-fermion superconductor CeCoIn5, we examine here the…

Superconductivity · Physics 2009-11-11 Ryusuke Ikeda

Spin-polarized attractive Fermi gases in one-dimensional (1D) optical lattices are expected to be remarkably good candidates for the observation of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase. We model these systems with an attractive…

Strongly Correlated Electrons · Physics 2008-06-05 M. Rizzi , Marco Polini , M. A. Cazalilla , M. R. Bakhtiari , M. P. Tosi , Rosario Fazio

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 Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state, characterized by Cooper pairs condensed at finite momentum, has been a long-sought state that remains unresolved in many classes of fermionic systems, including superconductors and…

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state in quasi-one-dimensional systems with warped Fermi surfaces is examined in strong parallel magnetic fields. It is shown that the state is extremely stable for field directions around…

Superconductivity · Physics 2018-07-10 Katsumi Itahashi , Hiroshi Shimahara

We consider the quasi-one dimensional system realized by an array of weakly coupled parallel one-dimensional "tubes" in a two-dimensional lattice which permits free motion of atoms in an axial direction in the presence of a Zeeman field,…

Quantum Gases · Physics 2013-12-04 Kangjun Seo , Chuanwei Zhang , Sumanta Tewari

We investigate the vortex state with Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) modulations suggested for a high field phase of CeCoIn_5. On the basis of the quasiclassical Eilenberger theory, we calculate the three dimensional structure of…

Superconductivity · Physics 2007-08-01 Masanori Ichioka , Hiroto Adachi , Takeshi Mizushima , Kazushige Machida

We performed a random phase approximation (RPA) calculation for a spin-valley polarized model of the rhombohedral tetra-layer graphene to study the possibility of chiral superconductor from the Kohn-Luttinger mechanism. We included the…

Superconductivity · Physics 2024-11-07 Hui Yang , Ya-Hui Zhang