典型文献
Spin-orbit coupling adjusting topological superfluid of mass-imbalanced Fermi gas
文献摘要：
Topological superfluid state is different from the normal superfluid one due to the excitation energy gap on the boundary.How to obtain the topological superfluid state by using spin-orbit coupling to control the s-waves paired mass-imbalanced Fermi gas is a recent novel topic.In this paper,we study the topological superfluid phase diagram of two-dimensional mass-imbalanced Fermi gas with Rashba spin-orbit coupling at zero temperature.We find that due to the competition among mass imbalance,pairing interaction and spin-orbit coupling,there is a double-well structure in the thermodynamic potential,which affects the properties of the ground state of the system.We comprehensively give the phase diagrams of the system on the plane of spin-orbit coupling and chemical potential,and the phase diagrams on the plane of the reduced mass ratio and two-body binding energy.This study not only points out the stable region of topolog-ical superfluid state of mass-imbalanced Fermi gas,but also provides a detailed theoretical basis for better observation of topological superfluid state in experiments.
文献关键词：
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作者姓名：
Jian Feng;Wei-Wei Zhang;Liang-Wei Lin;Qi-Peng Cai;Yi-Cai Zhang;Sheng-Can Ma;Chao-Fei Liu
作者机构：
School of Science,Jiangxi University of Science and Technology,Ganzhou 341000,China;School of Physics and Electronic Engineering,Guangzhou University,Guangzhou 510006,China
文献出处：
引用格式：
[1]Jian Feng;Wei-Wei Zhang;Liang-Wei Lin;Qi-Peng Cai;Yi-Cai Zhang;Sheng-Can Ma;Chao-Fei Liu-.Spin-orbit coupling adjusting topological superfluid of mass-imbalanced Fermi gas)[J].中国物理B（英文版）,2022(09):231-239
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Spin,orbit,coupling,adjusting,topological,superfluid,mass,imbalanced,Fermi,gas,Topological,state,different,from,normal,one,due,excitation,energy,gap,boundary,How,obtain,by,using,spin,control,waves,paired,recent,novel,topic,In,this,paper,study,phase,two,dimensional,Rashba,zero,temperature,We,find,that,competition,among,pairing,interaction,there,double,well,structure,thermodynamic,potential,which,affects,properties,ground,system,comprehensively,give,diagrams,plane,chemical,reduced,ratio,body,binding,This,not,only,points,out,stable,region,but,also,provides,detailed,theoretical,basis,better,observation,experiments
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0.492783
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