English
Related papers

Related papers: In-plane FFLO instability in superconductor-normal…

200 papers

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 demonstrate that in a wide class of multilayered superconductor - ferromagnet structures (e.g., S/F, S/F/N and S/F/F') the vanishing Meissner effect signals the appearance of the in-plane Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) modulated…

Superconductivity · Physics 2015-06-05 S. Mironov , A. Mel'nikov , A. Buzdin

Symmetry breaking in a layered superconductor with Ising spin-orbit coupling has offered an opportunity to realize unconventional superconductivity. To be more specific, orbital Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state, exhibiting…

We study the phase diagram of fermionic polar molecules in a bilayer system, with an imbalance of molecular densities of the layers. For the imbalance exceeding a critical value the system undergoes a transition from the uniform interlayer…

Quantum Gases · Physics 2017-12-20 Hao Lee , S. I. Matveenko , Daw-Wei Wang , G. V. Shlyapnikov

Temperature induced transition of thin superconductor-ferromagnet-normal (S/F/N) metal hybrid structure to in-plane Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) state is accompanied by vanishing of effective inverse magnetic field penetration…

Superconductivity · Physics 2018-12-07 P. M. Marychev , D. Yu. Vodolazov

It is well-known that the orbital effect of the magnetic field suppresses superconducting $T_c$. We show that for a system, which is in the Larkin-Ovchinnikov-Fulde-Ferrell (FFLO) state at zero external magnetic field, the orbital effect of…

Superconductivity · Physics 2015-06-17 A. M. Bobkov , I. V. Bobkova

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 have studied the distinctive features of the Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) instability and phase transitions in two--dimensional (2D) mesoscopic superconductors placed in magnetic field of arbitrary orientation and rotating…

Quantum Gases · Physics 2015-05-19 A. V. Samokhvalov , A. S. Mel'nikov , A. I. Buzdin

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

Quasi-two dimensional superconductors with sufficiently weak interlayer coupling allow magnetic flux to penetrate in the form of Josephson vortices for in-plane applied magnetic fields. A consequence is the dominance of the Zeeman…

Strongly Correlated Electrons · Physics 2016-02-17 G. Koutroulakis , H. Kühne , J. A. Schlueter , J. Wosnitza , S. E. Brown

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state can be found in layered d-wave superconductors such as high $T_c$ cuprates and $\kappa$-(ET)$_2$ salts in a planar magnetic field. We show the superconducting order parameter forms two…

Superconductivity · Physics 2007-05-23 H. Won , K. Maki

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 study the Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) superconducting state in the disordered systems. We analyze the microscopic model, in which the d-wave superconductivity is stabilized near the antiferromagnetic quantum critical point,…

Superconductivity · Physics 2015-05-13 Youichi Yanase

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state has received renewed interest recently due to the experimental indication of its presence in CeCoIn$_5$, a quasi 2-dimensional (2D) d-wave superconductor. However direct evidence of the…

Superconductivity · Physics 2007-05-23 Qinghong Cui , Chia-Ren Hu , J. Y. T. Wei , Kun Yang

Clean superconductors with weakly coupled conducting planes have been suggested as promising candidates for observing the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state. We consider here a layered superconductor in a magnetic field of…

Superconductivity · Physics 2007-05-23 U. Klein , D. Rainer , H. Shimahara

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is a novel superconducting state in a strong magnetic field characterized by the formation of Cooper pairs with nonzero total momentum (k \uparrow, -k+q \downarrow), instead of the ordinary…

Superconductivity · Physics 2009-11-13 Y. Matsuda , H. Shimahara

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state, an unusual superconducting state, defies high magnetic fields beyond the Pauli paramagnetic limit. It exhibits a spatial modulation of the superconducting order parameter in real space and…

We investigate the influence of Landau quantization on the superconducting instability for a pure layered superconductor in the magnetic field directed perpendicular to the layers. We demonstrate that the quantization corrections to the…

Superconductivity · Physics 2019-05-08 Kok Wee Song , Alexei E. Koshelev

We discuss a detailed phase diagram and other microscopic characteristics on the applied magnetic field - temperature (H_a-T) plane for a simple model of correlated fluid represented by a two-dimensional (2D) gas of heavy quasiparticles…

Superconductivity · Physics 2011-09-09 Jan Kaczmarczyk , Jozef Spalek

We review the concepts and the present state of theoretical studies of spin-imbalanced superfluidity, in particular the elusive Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state, in the context of ultracold quantum gases. The comprehensive…

Quantum Gases · Physics 2019-04-30 Jami J. Kinnunen , Jildou E. Baarsma , Jani-Petri Martikainen , Päivi Törmä
‹ Prev 1 2 3 10 Next ›