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I discuss the process of magnetic field generation in rotating superconductors in simply connected and multiply connected geometries. In cooling a normal metal into the superconducting state while it is rotating, electrons slow down or…

Superconductivity · Physics 2019-10-23 J. E. Hirsch

We discuss the Meissner effect for a color superconductor formed by cold dense quark matter. Though color and ordinary electromagnetism are broken in a color superconductor, there is a linear combination of the photon and a gluon that…

High Energy Physics - Phenomenology · Physics 2010-02-04 M. Alford , J. Berges , K. Rajagopal

Electrons/atoms can flow without dissipation at low temperature in superconductors/superfluids. The phenomenon known as superconductivity/superfluidity is one of the most important discoveries of modern physics, and is not only…

Statistical Mechanics · Physics 2012-11-22 Junren Shi , Zhengqian Cheng

We present an experimental study of the diffusive transport in a normal metal near a superconducting interface, showing the re-entrance of the metallic conductance at very low temperature. This new mesoscopic regime comes in when the…

Condensed Matter · Physics 2009-10-28 P. Charlat , H. Courtois , Ph. Gandit , D. Mailly , A. F. Volkov , B. Pannetier

This Chapter gives a brief introduction to some basic aspects metals and superconductors in crystal without inversion symmetry. In a first part we analyze some normal state properties which arise through antisymmetric spin-orbit coupling…

Superconductivity · Physics 2009-05-28 V. P. Mineev , M. Sigrist

In the Meissner phase of a superconductor, an external constant magnetic field is shielded by circulating persistent zero-resistance supercurrents that are formed by Cooper pairs. However, a thermodynamic change of state within this phase,…

Superconductivity · Physics 2026-01-21 Andreas Schilling

Jorge Hirsch, in his Comment on my article published in Entropy, agrees that the conventional BCS theory of superconductivity contradicts the second law of thermodynamics. He tries to prove that this theory cannot be valid because of this…

Superconductivity · Physics 2024-12-02 A. V. Nikulov

We report on an unconventional $macroscopic$ field effect transistor composed of electrons floating above the surface of superfluid helium. With this device unique transport regimes are realized in which the charge density of the electron…

Mesoscale and Nanoscale Physics · Physics 2018-10-26 K. Nasyedkin , H. Byeon , L. Zhang , N. R. Beysengulov , J. Milem , S. Hemmerle , R. Loloee , J. Pollanen

Meissner effect and pinning effect are clearly observed with the naked eye. A GdBaCuO high-temperature superconductor (HTS) disk fabricated by Nippon Steel Corporation, a 100mm cubic NdFeB sintered magnet, and iron wires coated by colored…

General Physics · Physics 2013-06-19 Yoshihiko Saito

Recently Babaei Brojeny and Clem [Phys. Rev. B 68, 174514 (2003)] considered superconducting thin-film rings in perpendicular magnetic fields in the ideal Meissner state with negligibly small magnetic penetration depth and presented useful…

Superconductivity · Physics 2009-11-10 Ernst Helmut Brandt , John R. Clem

The circuit theory of mesoscopic transport provides a unified framework to describe spin-dependent or superconductivity-related phenomena. We extend this theory to hybrid systems of normal metals, ferromagnets and superconductors. Our main…

Superconductivity · Physics 2009-11-27 Daniel Huertas-Hernando , Yu. V. Nazarov , W. Belzig

We demonstrate that the formation of a chiral d-density wave (CDDW) state generates a Topological Meissner effect (TME) in the absence of any kind of superconductivity. The TME is identical to the usual superconducting Meissner effect but…

Strongly Correlated Electrons · Physics 2009-11-13 P. Kotetes , G. Varelogiannis

We develop a theory of transverse thermoelectric (Peltier) conductivity, \alpha_{xy}, in finite magnetic field -- this particular conductivity is often the most important contribution to the Nernst thermopower. We demonstrate that…

Strongly Correlated Electrons · Physics 2013-05-29 Doron Bergman , Vadim Oganesyan

A long-standing theoretical prediction is that in clean, nodal unconventional superconductors the magnetic penetration depth $\lambda$, at zero temperature, varies linearly with magnetic field. This non-linear Meissner effect is an equally…

This article draws attention that the puzzle of the change of the angular momentum without any force is a consequence of the contradiction of macroscopic quantum phenomena with the correspondence principle, which reveals a fundamental…

Superconductivity · Physics 2024-10-22 A. V. Nikulov

We investigate quantum dynamics and kinetics of a 2D conductor with closed Fermi surface reconstructed by a biaxial density wave, in which electrons move along a two-dimensional periodic net of semiclassical trajectories coupled by the…

Strongly Correlated Electrons · Physics 2021-10-28 A. M. Kadigrobov , B. Keran , D. Radić

The transition mechanism of metal-insulator in metal oxides is discussed in detail, which is a part of the mechanism of superconductivity. Through the study of magic angle twisted bilayer graphene superconductor and other new findings on…

Superconductivity · Physics 2022-05-24 Yu-Ru Ge , Xin Zhao , Hong Zhao , Xue-Shu Zhao

A universal mechanism for strong magnetic-field effects of nonmagnetic organic semiconductors is presented. A weak magnetic field (less than hundreds mT) can substantially change the charge carrier hopping coefficient between two…

Mesoscale and Nanoscale Physics · Physics 2010-06-29 X. R. Wang , S. J. Xie

The passage of a magnetosonic (MS) soliton in a cold plasma leads to the displacement of charged particles in the direction of a compressive pulse and in the opposite direction of a rarefaction pulse. In the overdense plasma limit, the…

Plasma Physics · Physics 2018-08-01 Renaud Gueroult , Amnon Fructhman , Nathaniel J. Fisch

Within a gauge-invariant microscopic kinetic theory, we study the electromagnetic response in the superconducting states. Both superfluid and normal-fluid dynamics are involved. We predict that the normal fluid is present only when the…

Superconductivity · Physics 2018-09-19 F. Yang , M. W. Wu