典型文献
A first order superfluid-Mott insulator transition for a Bose-Hubbard model in an emergent lattice
文献摘要:
The combination of strong correlation and emergent lattice can be achieved when quantum gases are confined in a superradiant Fabry-Perot cavity.In addition to the discoveries of exotic phases,such as density wave ordered Mott insulator and superfluid,a surprising kink structure is found in the slope of the cavity strength as a function of the pumping strength.In this article,we show that the appearance of such a kink is a manifestation of a liquid-vapour-like transition between two superfluids with different densities.The slopes in the immediate neighborhood of the kink become divergent at the liquid-vapour critical points and display a critical scaling law with a critical exponent 1 in the quantum critical region.
文献关键词:
中图分类号:
作者姓名:
Yu Chen
作者机构:
Graduate School of China Academy of Engineering Physics,Beijing 100193,China
文献出处:
引用格式:
[1]Yu Chen-.A first order superfluid-Mott insulator transition for a Bose-Hubbard model in an emergent lattice)[J].理论物理,2022(12):124-129
A类:
superradiant,superfluids
B类:
first,Mott,insulator,transition,Bose,Hubbard,model,emergent,lattice,combination,strong,correlation,can,achieved,when,quantum,gases,are,confined,Fabry,Perot,cavity,In,addition,discoveries,exotic,phases,such,density,wave,ordered,surprising,kink,structure,found,strength,function,pumping,this,article,show,that,appearance,manifestation,liquid,vapour,like,between,two,different,densities,slopes,immediate,neighborhood,become,divergent,critical,points,display,scaling,law,exponent,region
AB值:
0.582964
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