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Higher-order topological superconductivity typically depends on spin-orbit interaction, and often necessitates well designed sample structures, nodal superconducting pairings or complex magnetic order. In this work, we propose a model that…

Mesoscale and Nanoscale Physics · Physics 2025-10-21 Jinpeng Xiao , Qianglin Hu , Zuodong Yu , Weipeng Chen , Xiaobing Luo

We illuminate the superconducting phases in [001]-grown-noncentrosymmetric quantum wells with an anisotropic spin-orbit coupling in the presence of on-site Hubbard interaction. Within the random phase approximation, we investigate the…

Superconductivity · Physics 2019-06-20 Mehdi Biderang , Mohammad-Hossein Zare , Alireza Akbari

The interference between spin-density-wave and superconducting instabilities in quasi-one-dimensional correlated metals is analyzed using the renormalization group method. At the one-loop level, we show how the interference leads to a…

Strongly Correlated Electrons · Physics 2009-11-07 Raphael Duprat , C. Bourbonnais

We investigate the effect of spin-orbit coupling on the in-gap bound states localized at magnetic impurities in multi-band superconductors with unconventional (sign-changed) and conventional (sign-unchanged) $s$-wave pairing symmetry, which…

Superconductivity · Physics 2017-05-09 Kangjun Seo , Jay D. Sau , Sumanta Tewari

Fermi-surface spin splitting generated by non-relativistic exchange fields provides a new route to topological superconductivity without relying on strong spin-orbit coupling. Here, we study superconducting instabilities of a square-lattice…

Strongly Correlated Electrons · Physics 2026-05-05 Kyoung-Min Kim , Gibaik Sim , Moon Jip Park

A model is introduced describing the interplay between superconductivity and spin-ordering. It is characterized by on-site repulsive electron-electron interactions, causing antiferromagnetism, and nearest-neighbor attractive interactions,…

Superconductivity · Physics 2009-10-31 C. N. A. van Duin , J. Zaanen

Superconductor insulator transition in transverse magnetic field is studied in the highly disordered MoC film with the product of the Fermi momentum and the mean free path $k_F*l$ close to unity. Surprisingly, the Zeeman paramagnetic…

Superconductivity · Physics 2021-09-13 M. Žemlička , M. Kopčík , P. Szabó , T. Samuely , J. Kačmarčík , P. Neilinger , M. Grajcar , P. Samuely

Using the path-integral formulation we derive microscopically a Ginzburg-Landau free energy with a Zeeman coupling between the magnetic field and the orbital angular momentum of the Cooper pairs in a superconductor with singlet pairing in…

Superconductivity · Physics 2007-05-23 Qiang-Hua Wang , Z. D. Wang

We theoretically study an ultra-cold gas of spin-1 polar bosons in a one dimensional continuum which are subject to linear and quadratic Zeeman fields and a Raman induced spin-orbit coupling. Concentrating on the regime in which the…

Quantum Gases · Physics 2019-05-02 E. J. König , J. H. Pixley

We discuss the fixed-point Hamiltonian and the spectrum of excitations of a quasi-bidimensional electronic system supporting simultaneously antiferromamagnetic ordering and superconductivity. The coexistence of these two order parameters in…

Strongly Correlated Electrons · Physics 2015-05-13 J. V. Alvarez , Felix Yndurain

A weak parallel Zeeman field combined with the spin-orbit coupling can induce the supercurrent in an s-wave two-dimensional superconductor. At the same time, the thermodynamically equilibrium state of such a system is characterized by the…

Superconductivity · Physics 2016-03-02 A. G. Mal'shukov

We study an s-wave superconductivity in a one-dimensional dimerized diamond lattice in the presence of spin-orbit coupling and Zeeman field. The considered diamond lattice, comprising of three sublattices per unitcell and having flat band,…

Superconductivity · Physics 2023-09-20 Sanaz Shahbazi , Mir Vahid Hosseini

We study the electronic and transport properties of a topological insulator nanowire including selective magnetic doping of its surfaces. We use a model which is appropriate to describe materials like Bi$_2$Se$_3$ within a k.p approximation…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 Sergio Acero , Luis Brey , William Herrera , Alfredo Levy Yeyati

We study dissipationless spin transport induced by a charge supercurrent in a monolayer van der Waals superconductor under the applied magnetic field and in a bilayer superconductor/ferromagnet (S/F) heterostructure with no external field.…

Superconductivity · Physics 2024-09-12 G. A. Bobkov , A. M. Bobkov , I. V. Bobkova

We clarify why spin-singlet superconductivity persists in monolayer transition-metal dichalcogenides even in high magnetic fields beyond the Pauli limit. The phenomenon called Ising protection is caused by two magnetically active…

Superconductivity · Physics 2026-03-31 Tomoya Sano , Kota Tabata , Akihiro Sasaki , Yasuhiro Asano

Starting from a random matrix model, we construct the low-energy effective field theory for the noninteracting gas of quasiparticles of a disordered superconductor in the mixed state. The theory is a nonlinear sigma model, with the order…

Superconductivity · Physics 2009-10-31 R. Bundschuh , C. Cassanello , D. Serban , M. R. Zirnbauer

We propose a theoretical model for a superconductor that exhibits the reentrant superconductivity in Zeeman fields. The Bogoliubov-de Gennes Hamiltonian includes three vectors in spin space: a $d$ vector of a spin-triplet superconducting…

Superconductivity · Physics 2026-04-14 Tomoya Sano , Kota Tabata , Satoshi Ikegaya , Yasuhiro Asano

We consider a model of the exciton-polariton condensate based on a system of two Gross-Pitaevskii equations coupled by the second-order differential operator, which represents the spin-orbit coupling (SOC) in the system. Also included are…

Optics · Physics 2017-09-13 Hidetsugu Sakaguchi , Boris A. Malomed , Dmitry V. Skryabin

We investigate some possible symmetries of the superconducting state that emerges in three-dimensional altermagnets in the presence of spin-orbit coupling. We demonstrate within a weak-coupling approach that these altermagnets, which…

Superconductivity · Physics 2024-12-24 Vanuildo S. de Carvalho , Hermann Freire

Topologically non-trivial superconductivity has been predicted to occur in superconductors with a sizable spin-orbit coupling in the presence of an external Zeeman splitting. Two such systems have been proposed: (a) s-wave superconductor…

Superconductivity · Physics 2011-06-07 Sumanta Tewari , Tudor D. Stanescu , Jay D. Sau , S. Das Sarma