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Related papers: Aharonov-Bohm effect in superconducting LOFF state

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We consider Aharonov - Bohm effect at normal metal-inhomogeneous LOFF superconducting state transition. It is shown that magnetic flux can increase the transition temperature and AB oscillations can have the double-peak structure at one…

Superconductivity · Physics 2015-01-06 A. A. Zyuzin , A. Yu. Zyuzin

We report specific heat measurements of the heavy fermion superconductor CeCoIn5 in the vicinity of the superconducting critical field H_{c2}, with magnetic field in the [110], [100], and [001] directions, and at temperatures down to 50 mK.…

Strongly Correlated Electrons · Physics 2009-11-10 A. Bianchi , R. Movshovich , C. Capan , A. Lacerda , P. G. Pagliuso , J. L. Sarrao

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 have measured the thermal conductivity of the heavy-fermion superconductor CeCoIn_5 in the vicinity of the upper critical field, with the magnetic field perpendicular to the c axis. Thermal conductivity displays a discontinuous jump at…

Strongly Correlated Electrons · Physics 2009-11-10 C. Capan , A. Bianchi , R. Movshovich , A. D. Christianson , A. Malinowski , M. F. Hundley , A. Lacerda , P. G. Pagliuso , J. L. Sarrao

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

We theoretically investigate the appearance of spatially modulated superconducting states in mesoscopic superconducting thin-wall cylinders in a magnetic field at low temperatures. Quantization of the electron motion around the…

Superconductivity · Physics 2015-06-12 K. Aoyama , R. Beaird , D. E. Sheehy , I. Vekhter

Tunneling conductance of an Aharonov-Bohm circuit including two quantum dots is calculated based on the general expression of the conductance in the linear response regime of the bias voltage. The calculation is performed in a wide…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Wataru Izumida , Osamu Sakai , Yukihiro Shimizu

Decoherence effects at finite temperature (T) are examined for two manifestly quantum systems: (i) Casimir forces between parallel plates that conduct along different directions, and (ii) a topological Aharonov-Bohm (AB) type force between…

Quantum Physics · Physics 2014-07-02 S. Nussinov , T. Madziwa-Nussinov , Z. Nussinov

The Aharonov-Bohm (AB) effect has been accepted and has promoted interdisciplinary scientific activities in modern physics. To observe the AB effect in condensed matter physics, the whole system needs to maintain phase coherence, in a tiny…

Mesoscale and Nanoscale Physics · Physics 2012-03-09 Masakatsu Tsubota , Katsuhiko Inagaki , Satoshi Tanda

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 consider 2D surface superconductivity in high magnetic fields parallel to the surface. We demonstrate that the spin-orbit interaction at the surface changes the properties of the inhomogeneous superconducting…

Superconductivity · Physics 2009-11-07 Victor Barzykin , Lev P. Gor'kov

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

Upper critical field parallel to the conducting layer is studied in anisotropic type-II superconductors on square lattices. We assume enough separation of the adjacent layers, for which the orbital pair-breaking effect is suppressed for…

Superconductivity · Physics 2009-11-07 Hiroshi Shimahara , Kentaro Moriwake

We derive the fluctuational magnetization and the paraconductivity of Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconductors in their normal state. The FFLO superconducting fluctuations induce oscillations of the magnetization between…

Superconductivity · Physics 2009-07-04 François Konschelle , Jérôme Cayssol , Alexandre I. Buzdin

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

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

We systematically apply density functional theory to determine the kind of inhomogeneities that spontaneously develop in a homogeneous gapless phase of neutral two-flavor superfluid quark matter. We consider inhomogeneities in the quark and…

High Energy Physics - Phenomenology · Physics 2009-11-11 Kei Iida , Kenji Fukushima

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

In a recent Letter, Gloos et al have suggested that the heavy fermion superconductor, UPd_2Al_3, has a transition in magnetic field from the normal state to an inhomogeneous superconducting state, known as the LOFF state, followed at lower…

Condensed Matter · Physics 2009-10-22 M. R. Norman

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
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