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Related papers: Thermodynamic Properties of Rashba Spin-Orbit-Coup…

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We theoretically investigate a three-dimensional Fermi gas with Rashba spin-orbit coupling in the presence of both out-of-plane and in-plane Zeeman fields. We show that, driven by a sufficiently large Zeeman field, either out-of-plane or…

Quantum Gases · Physics 2015-04-13 Xia-Ji Liu , Hui Hu , Han Pu

We theoretically investigate the inhomogeneous Fulde-Ferrell (FF) superfluidity in a three dimensional atomic Fermi gas with Rashba spin-orbit coupling near a broad Feshbach resonance. We show that within mean-field theory the FF superfluid…

Quantum Gases · Physics 2013-10-10 Hui Hu , Xia-Ji Liu

We theoretically analyze the pairing instability of a three-dimensional ultracold atomic Fermi gas towards a Fulde-Ferrell superfluid, in the presence of Rashba spin-orbit coupling and in-plane Zeeman field. We use the standard Thouless…

Quantum Gases · Physics 2013-10-15 Xia-Ji Liu

Fermi gases with generalized Rashba spin orbit coupling inducedby a synthetic gauge field have the potential of realizing many interesting states such as rashbon condensates and topological phases. Here we develop a fluctuation theory of…

Quantum Gases · Physics 2015-10-07 Jayantha P. Vyasanakere , Vijay B. Shenoy

We briefly review recent progress on ultracold atomic Fermi gases with different types of synthetic spin-orbit coupling, including the one-dimensional (1D) equal weight Rashba-Dresselhaus and two-dimensional (2D) Rasbha spin-orbit…

Quantum Gases · Physics 2017-08-23 Jing Zhang , Hui Hu , Xia-Ji Liu , Han Pu

We investigate the effects of topological order on the transition temperature, $T_c$, and response functions in fermionic superfluids with Rashba spin-orbit coupling and a transverse Zeeman field in three dimensions. Our calculations,…

Quantum Gases · Physics 2016-05-10 Brandon M. Anderson , Chien-Te Wu , Rufus Boyack , K. Levin

We consider finite-momentum pairing of superfluid phase in ultracold Fermi gas with spin-orbit coupling when subjected to an effective Zeeman field. Based on our two body and mean field many body calculations, we show that the Fulde-Ferrell…

Quantum Gases · Physics 2013-07-19 Lin Dong , Lei Jiang , Han Pu

This paper provides a theoretical analysis on the effects of an external Zeeman field and Rashba spin-orbit interactions on superconductivity. We have extensively studied their influence on the superconducting transition temperature $T_c$…

Superconductivity · Physics 2025-06-12 Chen Pang , Yi Zhou

We investigate the Zeeman field effects on the bulk superfluid properties and the collective modes in two-dimensional (2D) attractive atomic Fermi gases with Rashba-type spin-orbit coupling. In the presence of a large spin-orbit coupling,…

Quantum Gases · Physics 2012-10-17 Lianyi He , Xu-Guang Huang

We present a theoretical study of the superfluidity and the corresponding collective modes in two-component atomic Fermi gases with s-wave attraction and synthetic Rashba spin-orbit coupling. The general effective action for the collective…

Quantum Gases · Physics 2013-07-25 Lianyi He , Xu-Guang Huang

We study how the Rashba spin-orbit interaction influences unconventional superconductivity in a two dimensional electron gas partially spin-polarized by a magnetic field. Somewhat surprisingly, we find that for all field orientations, only…

Superconductivity · Physics 2016-07-01 Ethan Lake , Caleb Webb , D. A. Pesin , O. A. Starykh

We discuss the thermodynamic signatures for the topological phase transitions into Majorana and Weyl superfluid phases in ultracold Fermi gases in two and three dimensions in the presence of Rashba spin-orbit coupling and a Zeeman field. We…

Quantum Gases · Physics 2013-10-22 Kangjun Seo , Chuanwei Zhang , Sumanta Tewari

We theoretically investigate the superfluid density and Berezinskii-Kosterlitz-Thouless (BKT) transition of a two-dimensional Rashba spin-orbit coupled atomic Fermi gas with both in-plane and out-of-plane Zeeman fields. It was recently…

Quantum Gases · Physics 2015-06-23 Ye Cao , Xia-Ji Liu , Lianyi He , Gui-Lu Long , Hui Hu

We investigate the zero-temperature properties of a quasi-ideal Fermi gas with Rashba spin-orbit coupling. We find that the spin-orbit term strongly affects the speeds of zero sound and first sound in the Fermi gas, due to the presence of a…

Quantum Gases · Physics 2014-06-03 Luca Salasnich

We investigate theoretically BEC-BCS crossover physics in the presence of a Rashba spin-orbit coupling in a system of two-component Fermi gas with and without a Zeeman field that breaks the population balance between the two components. A…

Quantum Gases · Physics 2012-11-26 Lei Jiang , Xia-Ji Liu , Hui Hu , Han Pu

We investigate the superconducting instability of a two-dimensional repulsive fermion gas with Rashba spin-orbit coupling $\al_R$. Using renormalization group approach, we find the superconducting transition temperature as a function of the…

Superconductivity · Physics 2013-11-13 Luyang Wang , Oskar Vafek

Strong spin-orbit coupling can have a profound effect on the electronic structure in a metal or semiconductor, particularly for low electron concentrations. We show how, for small values of the Fermi energy compared to the spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 E. Cappelluti , C. Grimaldi , F. Marsiglio

Topological superfluids usually refer to a superfluid state which is gapped in the bulk but metallic at the boundary. Here we report that a gapless, topologically non-trivial superfluid with inhomogeneous Fulde-Ferrell pairing order…

Quantum Gases · Physics 2014-10-07 Ye Cao , Shu-Hao Zou , Xia-Ji Liu , Su Yi , Gui-Lu Long , Hui Hu

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 obtain the superfluid transition temperature of equal Rashba-Dresselhaus spin-orbit and Rabi coupled Fermi superfluids, from the Bardeen-Cooper-Schrieffer (BCS) to Bose-Einstein condensate (BEC) regimes in three dimensions. Spin-orbit…

Quantum Gases · Physics 2017-09-22 Philip D Powell , Gordon Baym , C. A. R. Sa de Melo
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