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Related papers: Multi-orbital Fulde-Ferrell-Larkin-Ovchinnikov Sta…

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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) 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…

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

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

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is an exotic superconducting phase formed by Cooper pairs with finite center-of-mass momentum $q$. On theoretical grounds, the superconducting order parameter in the FFLO state is spatially…

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

Pairing in an attractively interacting two-component Fermi gas in the absence of the inversion symmetry and/or the time-reversal symmetry may give rise to exotic superfluid states. Notable examples range from the…

Quantum Gases · Physics 2013-10-30 Wei Zhang , Wei Yi

In superconducting nanofilms the energy quantization induced by the confinement in the direction perpendicular to the film leads to a multiband character of the system which results in the thickness-dependent oscillations of the in-plane…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 P. Wójcik , M. Zegrodnik

Fe-based superconductors (FeSC) exhibit all the properties of systems that allow the formation of a superconducting phase with oscillating order parameter, called the Fulde--Ferrell--Larkin--Ovchinnikov (FFLO) phase. By the analysis of the…

Superconductivity · Physics 2013-11-19 Andrzej Ptok , Dawid Crivelli

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

Time reversal symmetry breaking in superconductors, resulting from external magnetic fields or spontaneous magnetization, often leads to unconventional superconducting properties. In this way, a conventional Fulde-Ferrell-Larkin-Ovchinnikov…

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is a superconducting state stabilized by a large Zeeman splitting between up- and down-spin electrons in a singlet superconductor. In the absence of disorder, the superconducting order…

Superconductivity · Physics 2010-11-05 Qinghong Cui , Kun Yang

We present the analysis of the inhomogeneous Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconducting state in thin superconducting films in the parallel magnetic field. For the tetragonal crystal symmetry (relevant to CeCoIn$_{5}$ - the…

Superconductivity · Physics 2009-11-13 A. Buzdin , Y. Matsuda , T. Shibauchi

A sufficiently high magnetic field applied to a superconductor will act on both the charge and the spin of the individual electrons breaking up the Cooper pairs. If the spin effect dominates, the superconducting state can develop a texture…

Strongly Correlated Electrons · Physics 2007-05-23 H. A. Radovan , N. A. Fortune , T. P. Murphy , S. T. Hannahs , E. C. Palm , S. W. Tozer , D. Hall

Exotic superconductivity is formed by unconventional electron pairing and exhibits various unique properties that cannot be explained by the basic theory. The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is known as an exotic…

Superconductivity · Physics 2022-10-05 Shusaku Imajo , Toshihiro Nomura , Yoshimitsu Kohama , Koichi Kindo

Varying the angle Theta between applied field and the conducting planes of a layered superconductor in a small interval close to the plane-parallel field direction, a large number of superconducting states with unusual properties may be…

Superconductivity · Physics 2009-11-10 U. Klein

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

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

We show that in the presence of magnetic field, two superconducting phases with the center-of-mass momentum of Cooper pair parallel to the magnetic field are induced in spin-orbit-coupled superconductor Li$_2$Pd$_3$B. Specifically, at small…

Superconductivity · Physics 2018-07-06 F. Yang , M. W. Wu

In this work, the thermodynamic properties of the organic superconductor $\lambda$-(BETS)$_2$GaCl$_4$ are investigated to study a high-field superconducting state known as the putative Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase. We…

Superconductivity · Physics 2021-06-16 Shusaku Imajo , Takuya Kobayashi , Atsushi Kawamoto , Koichi Kindo , Yasuhiro Nakazawa