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Related papers: Nonuniform states in noncentrosymmetric supercondu…

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In non-centrosymmetric superconductors, where the crystal structure lacks a centre of inversion, parity is no longer a good quantum number and an electronic antisymmetric spin-orbit coupling (ASOC) is allowed to exist by symmetry. If this…

Superconductivity · Physics 2018-02-22 M. Smidman , M. B. Salamon , H. Q. Yuan , D. F. Agterberg

In a non-centrosymmetric crystal, the Zeeman interaction of the band electrons with an external magnetic field is highly anisotropic in the momentum space, vanishing along some high-symmetry planes. One of the consequences is that the…

Superconductivity · Physics 2009-11-10 K. V. Samokhin

Skyrmionic states in noncentrosymmetric magnets with Lifshitz invariants are investigated within the phenomenological Dzyaloshinskii model. The interaction between the chiral Skyrmions, being repulsive in a broad temperature range, changes…

Statistical Mechanics · Physics 2010-12-20 A. A. Leonov , A. N. Bogdanov , U. K. Roessler

Superconductivity has been discovered in many materials including elements, cuprates and nickelates. Noncentrosymmetric superconductors get attention due to their physical properties results from spatial inversion symmetry breaking. Here we…

Superconductivity · Physics 2024-07-08 Hu Zhang

We investigate how the macroscopic spatial structure of broken inversion symmetry manifests in noncentrosymmetric superconductors, by the microscopic broken inversion symmetry of the crystal structure. Based on the time-dependent…

Superconductivity · Physics 2009-11-11 Masatosi Oka , Masanori Ichioka , Kazushige Machida

Superconductivity in materials whose crystal structure lacks inversion symmetry is a prime candidate for unconventional superconductivity. A new noncentrosymmetric compound Zr$_{3}$Ir crystallizes in a tetragonal $ \alpha $-V$_{3} $S…

Superconductivity · Physics 2019-10-08 Sajilesh. K. P. , D. Singh , P. K. Biswas , Gavin B. G. Stenning , A. D. Hillier , R. P. Singh

Non-reciprocal superconductivity, also known as the superconducting diode effect, has been extensively studied in the presence of a magnetic field or some form of ferromagnetic order breaking time-reversal symmetry. We here show that…

Superconductivity · Physics 2024-07-31 Sayan Banerjee , Mathias S. Scheurer

Symmetry of the crystal lattice can be a determining factor for the structure of Cooper pairs in unconventional superconductors. In this study we extend the discussion of superconductivity in non-centrosymmetric materials to the case when…

Superconductivity · Physics 2012-11-01 Mark H. Fischer , Florian Loder , Manfred Sigrist

The theory of paramagnetic limit of superconductivity in metals without inversion center is developed. There is in general the paramagnetic suppression of superconducting state. The effect is strongly dependent on field orientation in…

Superconductivity · Physics 2009-11-10 V. P. Mineev

The symmetry properties and the general overview of the superconductivity theory in the itinerant ferromagnets and in materials without space parity are presented. The basic notions of unconventional superconductivity are introduced in…

Superconductivity · Physics 2009-11-10 V. P. Mineev

We study the response of a superconductor with a strong spin-orbit coupling on an external magnetic field. The Ginzburg-Landau free energy functional is derived microscopically for a general crystal structure, both with and without an…

Superconductivity · Physics 2009-11-10 K. V. Samokhin

Inversion and time reversal are essential symmetries for the structure of Cooper pairs in superconductors. The loss of one or both leads to modifications to this structure and can change the properties of the superconducting phases in…

Superconductivity · Physics 2023-03-21 Mark H Fischer , Manfred Sigrist , Daniel F Agterberg , Youichi Yanase

A phenomenological theory of magnetic states in noncentrosymmetric tetragonal antiferromagnets is developed, which has to include homogeneous and inhomogeneous terms (Lifshitz-invariants) derived from Dzyaloshinskii-Moriya couplings.…

Strongly Correlated Electrons · Physics 2009-11-07 A. N. Bogdanov , U. K. Roessler , M. Wolf , K. -H. Muller

Nodal noncentrosymmetric superconductors have topologically nontrivial properties manifested by protected zero-energy surface states. Specifically, it was recently found that zero-energy surface flat bands of topological origin appear at…

Superconductivity · Physics 2012-01-13 Andreas P. Schnyder , P. M. R. Brydon , Carsten Timm

Lifshitz invariant is a symmetry invariant composed of multiple order parameters that contain a single spatial derivative in a Ginzburg-Landau (GL) free energy, which may induce a nonuniform configuration of the order parameters. In…

Superconductivity · Physics 2025-07-11 Raigo Nagashima , Titouan Mouilleron , Naoto Tsuji

The failure of spatial inversion symmetry in noncentrosymmetric materials introduces two different types of spin-independent and spin-dependent electron hopping. The spin-dependent term can be translated into a quasi-spin-orbit coupling and…

Superconductivity · Physics 2021-04-30 Mehdi Biderang , Mohammad-Hossein Zare , Alireza Akbari

We introduce a McMillan-Ginzburg-Landau theory to describe the cooperative coexistence of charge-density and superconducting order in two-dimensional crystals. With a free-energy that explicitly accounts for the competition between…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Chuan Chen , Lei Su , A. H. Castro Neto , Vitor M. Pereira

We investigate equilibrium flux lattice structures in superconductors with unconventional order parameters, such as high-$T_c$ cuprates, using a generalized London model with non-local electrodynamics derived from a simple microscopic…

Superconductivity · Physics 2009-10-30 M. Franz , Ian Affleck , M. H. S. Amin

This article is dedicated to the 60-th anniversary of the Landau Institute for Theoretical Physics and presents a review of normal and superconducting properties of toroidal, altermagnetic, and noncentrosymmetric metals. Metals with…

Strongly Correlated Electrons · Physics 2026-02-05 V. P. Mineev

We study the order parameter symmetry in a hexagonal crystal with co-existing superconductivity and ferromagnetism. An experimental example is provided by carbon-based materials, such as graphite-sulfur composites, in which an evidence of…

Superconductivity · Physics 2009-11-07 K. V. Samokhin