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We study the phase diagram in a two-dimensional Fermi gas with the synthetic spin-orbit coupling that has recently been realized experimentally. In particular, we characterize in detail the properties and the stability region of the…

Quantum Gases · Physics 2013-10-11 Fan Wu , Guang-Can Guo , Wei Zhang , Wei Yi

We study a quantum ladder of interacting fermions with coupled s and p orbitals. Such a model describes dipolar molecules or atoms loaded into a double-well optical lattice, dipole moments being aligned by an external field. The two orbital…

Quantum Gases · Physics 2013-06-06 Xiaopeng Li , W. Vincent Liu

We consider theoretically the impact of Rashba spin-orbit coupling on spin torque oscillators (STOs) in synthetic ferromagnets and antiferromagnets that have either a bulk multilayer or a thin film structure. The synthetic magnets consist…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 Øyvind Johansen , Jacob Linder

The weak-coupling renormalization group method is an asymptotically exact method to find superconducting instabilities of a lattice model of correlated electrons. Here we extend it to spin-orbit coupled lattice systems and study the…

Superconductivity · Physics 2020-12-02 Sebastian Wolf , Stephan Rachel

Vortex lattice structures to occur in Rashba non-centrosymmetric superconductors under a magnetic field parallel to the basal plane are studied by assuming a singlet Cooper pairing and taking account of both the paramagnetic and orbital…

Superconductivity · Physics 2009-11-13 Yuichi Matsunaga , Norihito Hiasa , Ryusuke Ikeda

We study the ground-state phase diagram of two-component fermions loaded in a ladder-like lattice at half filling in the presence of spin-orbit coupling. For repulsive fermions with unidirectional spin-orbit coupling along the legs we…

Quantum Gases · Physics 2013-10-30 G. Sun , J. Jaramillo , L. Santos , T. Vekua

The realization of spin-orbit coupling (SOC) in ultracold atoms has triggered an intensive exploring of topological superfluids in the degenerate Fermi gases based on mean-field theory, which has not yet been reported in experiments. Here,…

We consider a model for the two-dimensional electron gas formed at the interface of oxide heterostructures, which includes a Rashba spin-orbit coupling proportional to the electric field perpendicular to the interface. Based on the standard…

Superconductivity · Physics 2012-11-13 S. Caprara , F. Peronaci , M. Grilli

We study the parity-mixed superconductivity in locally non-centrosymmetric systems. In multilayer systems an inhomogeneous Rashba spin-orbit coupling is induced by the local violation of inversion symmetry. Our previous study revealed that…

Superconductivity · Physics 2015-06-17 Tomohiro Yoshida , Manfred Sigrist , Youichi Yanase

We theoretically predict the in-plane magnetic field-induced orbital Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconducting states in twisted WSe$_2$ homobilayers (tWSe$_2$), focusing on its dependence on layer polarization and Fermi…

Superconductivity · Physics 2025-08-01 Jihang Zhu , Yang-Zhi Chou , Yi Huang , Sankar Das Sarma

The Rashba spin-orbit coupling arising from structure inversion asymmetry couples spin and momentum degrees of freedom providing a suitable (and very intensively investigated) environment for spintronic effects and devices. Here we show…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Goetz Seibold , Sergio Caprara , Marco Grilli , Roberto Raimondi

IrTe$_2$ has been renewed as an interesting system showing competing phenomenon between a questionable density-wave transition near 270 K followed by superconductivity with doping of high atomic number materials. Higher atomic numbers of Te…

Strongly Correlated Electrons · Physics 2016-08-26 S. Koley

Spin-orbit (SO) interactions in two dimensional systems split the Fermi surface, and allow for the spatial separation of spin-states via transverse magnetic focusing (TMF). In this work, we consider the case of combined Rashba and Zeeman…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Samuel S. R. Bladwell , Oleg P. Sushkov

We discuss the possible existence of a superconducting phase at high magnetic field in organic quasi-one-dimensional conductors. We consider in particular (i) the formation of a Larkin-Ovchinnikov-Fulde-Ferrell state, (ii) the role of a…

Superconductivity · Physics 2024-10-04 N. Dupuis

We report high magnetic field linear magnetostriction experiments on CeCoIn$_5$ single crystals. Two features are remarkable: (i) a sharp discontinuity in all the crystallographic axes associated with the upper superconducting critical…

Strongly Correlated Electrons · Physics 2015-06-25 V. F. Correa , T. P. Murphy , C. Martin , K. M. Purcell , E. C. Palm , G. M. Schmiedeshoff , J. C. Cooley , S. W. Tozer

We consider the combined effects of large spin-orbit couplings and a perpendicular magnetic field in a 2D honeycomb fermionic lattice. This system provides an elegant setup to generate versatile spin textures propagating along the edge of a…

Mesoscale and Nanoscale Physics · Physics 2012-01-20 N. Goldman , W. Beugeling , C. Morais Smith

We consider 2D surface superconductivity in high magnetic fields parallel to the surface. We demonstrate that the spin-orbit interaction at the surface changes the properties of the inhomogeneous superconducting…

Superconductivity · Physics 2009-11-07 Victor Barzykin , Lev P. Gor'kov

How ferromagnetic phases emerge in itinerant systems is an outstanding problem in quantum magnetism. Here we consider a repulsive two-component Fermi gas confined in a two dimensional isotropic harmonic potential and subject to a large…

Quantum Gases · Physics 2016-04-13 Shang-Shun Zhang , Wu-Ming Liu , Han Pu

We study the effect of a Rashba spin-orbit coupling on the nodal superconducting phase of an Ising superconductor. Such nodal phase was predicted to occur when applying an in-plane field beyond the Pauli limit to a superconducting monolayer…

Mesoscale and Nanoscale Physics · Physics 2024-01-12 Gal Cohen , Ranjani Seshadri , Maxim Khodas , Dganit Meidan

We theoretically study a possible topological superconductivity in the interacting two layers of Rashba systems, which can be fabricated by the hetero-structures of semiconductors and oxides. The hybridization, which induces the gap in the…

Superconductivity · Physics 2012-04-09 Sho Nakosai , Yukio Tanaka , Naoto Nagaosa