English
Related papers

Related papers: Interaction between domain walls in chiral p-wave …

200 papers

In view of recent experiments on ultra-cold polarized fermions, the zero-range potential approach is generalized to situations where two-body scattering is resonant in the p-wave channel. We introduce a modified scalar product which reveals…

Other Condensed Matter · Physics 2007-05-23 Ludovic Pricoupenko

We use large-scale Monte Carlo computations to study the phase transitions of a two-component chiral p-wave superconductor in zero external magnetic field. We find a first order phase transition from the normal state to a chiral…

Superconductivity · Physics 2021-10-19 Håvard Homleid Haugen , Egor Babaev , Fredrik Nicolai Krohg , Asle Sudbø

Using an S-matrix formulation we evaluate the thermodynamic potential and conductance of a Bloch or N\'eel magnetic wall interacting with a one dimensional free electron gas via a double exchange interaction. The minimization of the elastic…

Mesoscale and Nanoscale Physics · Physics 2025-05-13 K. Seremetas , X. Zotos

In an unconventional superconductor, the interplay of scattering off impurities and Andreev processes may lead to different scattering times for electronlike and holelike quasiparticles. Such electron-hole asymmetry appears when the…

Superconductivity · Physics 2022-03-15 Kevin Marc Seja , Louhane Jacob , Tomas Löfwander

We demonstrate that scattering of particles strongly interacting in three dimensions (3D) can be suppressed at low energies in a quasi-one-dimensional (1D) confinement. The underlying mechanism is the interference of the s- and p-wave…

Quantum Physics · Physics 2009-11-13 J. I. Kim , V. S. Melezhik , P. Schmelcher

We report that spin supercurrents in magnetic superconductors and superconductor/ferromagnetic insulator bilayers can induce the Dzyaloshinskii-Moriya interaction which strength is proportional to the superconducting order parameter…

Superconductivity · Physics 2021-08-23 M. A. Silaev , D. S. Rabinovich , I. V. Bobkova

We present theoretical description of conduction electrons interacting with a domain wall in ferromagnetic metals. The description takes into account interaction between electrons. Within the semiclassical approximation we calculate the…

Materials Science · Physics 2009-11-07 V. K. Dugaev , J. Barnas , A. Lusakowski , L. A. Turski

In the present article, we explore the electron properties of magnetic semiconductors with strong Rashba spin-orbit coupling taking into account the presence of domain walls at the sample surface. We consider antiphase domain walls…

Materials Science · Physics 2024-08-23 I. P. Rusinov , V. N. Men'shov , E. V. Chulkov

I investigate the difference between the quasiparticle properties in two dimensional(2D)and three dimensional(3D) s-wave superconductors. Using the original BCS model for the pairing interaction and direct Coulomb interaction I show that…

Superconductivity · Physics 2009-10-30 D. Coffey

Domain walls in a tetragonal chiral p-wave superconductors with broken time reversal symmetry are analyzed in the framework of the Ginsburg-Landau theory. The energy and the jump of the magnetic induction on the wall were determined for…

Superconductivity · Physics 2010-05-10 N. A. Logoboy , E. B. Sonin

A simulation study for the magnetization process is performed for the multi-domain state in a chiral p-wave superconductor, using the time-dependent Ginzburg-Landau theory. The external field penetrates inside as core-less vortices through…

Superconductivity · Physics 2007-08-01 Masanori Ichioka , Yasushi Matsunaga , Kazushige Machida

Nonequilibrium properties of short-coherence-length s-wave superconductors are analyzed in the presence of extrinsic and intrinsic inhomogeneities. In general, the lowest-energy configurations of quasiparticle excitations are topological…

Superconductivity · Physics 2009-10-31 M. I. Salkola , J. R. Schrieffer

We study chiral interface Andreev bound states and their influence on the Josephson current between clean superconductors. Possible examples are superconducting Sr2RuO4 and the B-phase of the heavy-fermion superconductor UPt3. We show that,…

Superconductivity · Physics 2009-11-07 Yu. S. Barash , A. M. Bobkov , M. Fogelstrom

We measure the excitation spectrum of a superconducting atomic contact. In addition to the usual continuum above the superconducting gap, the single particle excitation spectrum contains discrete, spin-degenerate Andreev levels inside the…

Mesoscale and Nanoscale Physics · Physics 2014-01-07 L. Bretheau , C. O. Girit , C. Urbina , D. Esteve , H. Pothier

We apply the scattering approach to the Casimir interaction between two dielectric half-spaces separated by an electrolyte solution. We take the nonlocal electromagnetic response of the intervening medium into account, which results from…

Mesoscale and Nanoscale Physics · Physics 2019-09-30 P. A. Maia Neto , F. S. S. Rosa , L. B. Pires , A. B. Marim , A. Canaguier-Durand , R. Guérout , A. Lambrecht , S. Reynaud

We generalize the screened Korringa-Kohn-Rostoker (SKKR) method for solving the corresponding Kohn-Sham-Bogoliubov-de Gennes (KSBdG) equations for surfaces and interfaces. As an application of the newly developed theory we study the…

Superconductivity · Physics 2016-07-05 Gábor Csire , Balázs Újfalussy , József Cserti , Balázs Győrffy

We investigate the low-energy scattering properties of two identical particles interacting via the polarized quadrupolar interaction. It is shown that a series of $s$- and $p$-wave resonances appear for identical bosons and fermions,…

Quantum Gases · Physics 2023-02-22 Fulin Deng , Wenxian Zhang , Su Yi

We investigate superconducting proximity effect in clean ferromagnetic layers with rough boundaries. The subgap density of states is formed by Andreev bound states at energies which depend on trajectory length and the ferromagnetic exchange…

Superconductivity · Physics 2009-11-07 M. Zareyan , W. Belzig , Yu. V. Nazarov

The formation of bound states at surfaces of materials with an energy gap in the bulk electron spectrum is a well known physical phenomenon. At superconductor surfaces, quasiparticles with energies inside the superconducting gap $\Delta$…

Superconductivity · Physics 2009-11-07 T. Lofwander , V. S. Shumeiko , G. Wendin

We consider domain walls between regions of superfluid 3He-B in which one component of the order parameter has the opposite sign in the two regions far from one another. We report calculations of the order parameter profile and the free…

Superconductivity · Physics 2007-05-23 A. Vorontsov , J. A. Sauls