Analytical assessment of some characteristic ratios for s-wave superconductors
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Physics"
DOI: 10.1007/s11467-017-0739-x
Abstract: We evaluate some thermodynamic quantities and characteristic ratios that describe low- and high-temperature s-wave superconducting systems. Based on a set of fundamental equations derived within the conformal transformation method, a simple model is proposed and… read more here.
Keywords: ratios wave; characteristic ratios; temperature; wave superconductors ... See more keywords
Superfluid density of anisotropic S-wave superconductors by semi-classical approach: Applied to MgB2 and CaAlSi superconductors
Sign Up to like & getrecommendations! Published in 2019 at "Physica C: Superconductivity and its Applications"
DOI: 10.1016/j.physc.2019.06.005
Abstract: Abstract In this research, we investigated the superfluid density of anisotropic S-wave superconductors by Semi-classical Theory in 3D spherical Fermi surface. The anisotropic gap function was studied by ellipse spherical and pancake spherical model. The… read more here.
Keywords: caalsi superconductors; superfluid density; wave superconductors; density anisotropic ... See more keywords
Effect of anisotropic impurity scattering in d-wave superconductors
Sign Up to like & getrecommendations! Published in 2023 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/40/5/057402
Abstract: In d$_{x^2-y^2}$-wave superconductors, the effect of s-wave point disorder has been extensively studied in the literature. In this work, we study the anisotropic disorder with a the form of $V_{kk'}^{\rm imp}=V_if_kf_{k'}$ with $f_k=\cos(2\theta)$ (with $\theta$… read more here.
Keywords: effect; disorder; wave superconductors; alpha ... See more keywords
Chiral p -wave superconductors have complex coherence and magnetic field penetration lengths
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.174514
Abstract: We show that in superconductors that break time-reversal symmetry and have anisotropy, such as p + ip materials, all order parameters and magnetic modes are mixed. Excitation of the gap fields prod ... read more here.
Keywords: complex coherence; superconductors complex; magnetic field; coherence magnetic ... See more keywords
Theory of Higgs modes in d -wave superconductors
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.014511
Abstract: By applying a microscopic gauge-invariant kinetic theory in $d$-wave superconductors, we analytically derive the energy spectra of the breathing Higgs mode and, in particular, rotating Higgs mode that is unique for the $d$-wave order parameter.… read more here.
Keywords: rotating higgs; higgs mode; theory higgs; higgs modes ... See more keywords
Localization and oscillations of Majorana fermions in a two-dimensional electron gas coupled with d-wave superconductors
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.064501
Abstract: We study the localization and oscillation properties of the Majorana fermions that arise in a two-dimensional electron gas (2DEG) with spin-orbit coupling (SOC) and a Zeeman field coupled with a d-wave superconductor. Despite the angular… read more here.
Keywords: electron gas; wave superconductors; two dimensional; majorana fermions ... See more keywords
Magnetoenhancement of superconductivity in composite d -wave superconductors
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DOI: 10.1103/physrevb.98.094508
Abstract: We study composite D-wave superconductors consisting of randomly oriented and randomly distributed superconducting droplets embedded into a matrix. In a certain range of parameters the application of a small magnetic field enhances the superconductivity in… read more here.
Keywords: magnetoenhancement superconductivity; superconductivity composite; wave superconductors; composite wave ... See more keywords