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The theory of hole superconductivity proposes that superconductivity originates in the fundamental electron-hole asymmetry of condensed matter and that it is an 'undressing' transition. Here we propose that a natural consequence of this…

Superconductivity · Physics 2009-11-10 J. E. Hirsch

Clean topological insulators exposed to a magnetic field develop Landau levels accompanied by a nonzero Hall conductivity for the infinite slab geometry. In this work we consider the case of disordered topological insulator nanowires and…

Mesoscale and Nanoscale Physics · Physics 2017-01-16 Emmanouil Xypakis , Jens H. Bardarson

Motivated by the recent discovery of superconductivity in twisted bilayer WSe$_2$, we analyze the correlated physics in this system in the framework of a continuum model for the moir\'e superlattice. Using the symmetries in a fine-tuned…

Superconductivity · Physics 2025-09-09 Maine Christos , Pietro M. Bonetti , Mathias S. Scheurer

We present magnetoresistance measurements on all-amorphous ferromagnet (F) / superconductor (S) heterostructures. The F/S/F trilayers show large magnetoresistance peaks in a small field range around the coercive field of the F layers, at…

Superconductivity · Physics 2015-06-25 C. Bell , S. Tursucu , J. Aarts

The superconducting diode effect is an asymmetry in the critical current with respect to the supercurrent polarity. One impetus driving recent interest in the effect is its dependence on intrinsic or microscopic symmetry breaking…

We study vortex penetration into two-layer structures of superconducting plates under a perpendicular magnetic field. We solve the heat transport equation and the Maxwell equations with the current-voltage relation for superconductor,…

Superconductivity · Physics 2019-02-11 Shinsuke Ooi , Masaru Kato

Qubits based on the magnetic flux degree of freedom require a flux bias, whose stability and precision strongly affect the qubit performance, up to a point of forbidding the qubit operation. Moreover, in the perspective of multiqubit…

Superconductivity · Physics 2009-11-11 Maria Gabriella Castellano , Fabio Chiarello , Guido Torrioli , Pasquale Carelli

The case of ac transport at in-phase alternating applied magnetic fields for a superconducting rectangular strip with finite thickness has been investigated. The applied magnetic field is considered perpendicular to the current flow. We…

Superconductivity · Physics 2015-06-25 E. Pardo , F. Gomory , J. Souc , J. M. Ceballos

We investigate an analytic theory of force-dipole hydrodynamics in a viscous membrane coupled to an infinite surrounding fluid, focusing on quenched (orientation-fixed) dipoles. While the single-dipole flow exhibits the known Saffman…

We consider the bilocal conductivity tensor, the two-probe conductance and its fluctuations for a disordered phase-coherent two-dimensional system of non-interacting electrons in the presence of a magnetic field, including correctly the…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Shanhui Xiong , N. Read , A. Douglas Stone

Spin-split superconductors exhibit an electron-hole asymmetric spin-resolved density of states, but the symmetry is restored upon averaging over spin. On the other hand, asymmetry appears again in tunneling junctions of spin-split…

Superconductivity · Physics 2022-05-02 Stefan Ilić , P. Virtanen , T. T. Heikkilä , F. Sebastián Bergeret

The method of images to solve certain electrostatic boundary-value problems is taught worldwide in undergraduate-level physics courses. Though it is also possible to employ this technique for solving magnetostatic boundary value problems,…

Classical Physics · Physics 2025-09-22 Hemansh Alkesh Shah , Kolahal Bhattacharya

The properties of Josephson devices are strongly affected by geometrical effects. A loop-shaped superconducting electrode tightly couples a long Josephson tunnel junction with the surrounding electromagnetic field. Due to the fluxoid…

Superconductivity · Physics 2013-04-23 Roberto Monaco

The magnetic field effect in the Josephson tunneling between two d-wave superconductors are investigated. When the crystal orientation of one (or each) superconductor relative to the interface normal is such that midgap states exist at the…

Superconductivity · Physics 2009-10-31 X. -Z. Yan , C. -R. Hu

Quantum computation and simulation requires strong coherent coupling between qubits, which may be spatially separated. Achieving this coupling for solid-state based spin qubits is a long-standing challenge. Here we theoretically investigate…

Quantum Physics · Physics 2021-10-04 Yoav Romach , Tal Wasserman , Shai Tishby , Nir Bar-Gill

We discover an intrinsic dipole Hall effect in a variety of magnetic insulating states at integer fillings of twisted MoTe$_2$ moir\'e superlattice, including topologically trivial and nontrivial ferro-, antiferro-, and ferri-magnetic…

Strongly Correlated Electrons · Physics 2024-09-16 Feng-Ren Fan , Cong Xiao , Wang Yao

The influence of the fractal clusters of a normal phase, which act as pinning centers, on the dynamics of magnetic flux in percolative type-II superconductor is considered. The voltage-current characteristics of such a superconductor are…

Superconductivity · Physics 2009-11-07 Yuriy I. Kuzmin

In paper III of this series (arXiv:0901.3612) we proposed a scenario of superconductivity driven by hole "undressing" that involved a complete redistribution of the occupation of single particle energy levels: the holes near the top of the…

Superconductivity · Physics 2010-08-27 J. E. Hirsch

We performed ac-susceptibility measurements to explore the vortex dynamics and the flux pinning properties of superconducting Pb films with an array of micro-holes (antidots) and non-fully perforated holes (blind holes). A lower…

Superconductivity · Physics 2009-11-10 S. Raedts , A. V. Silhanek , M. J. Van Bael , V. V. Moshchalkov

Strong pinning of superconducting flux quanta by a square array of 1 $\mu$m-sized ferromagnetic dots in a magnetic-vortex state was visualized by low-temperature magnetic force microscopy (LT-MFM). A direct correlation of the…

Superconductivity · Physics 2010-03-18 T. Shapoval , V. Metlushko , M. Wolf , B. Holzapfel , V. Neu , L. Schultz