Quantum phase transition of cold atoms trapped in optical lattices

CORC > 物理研究所 > 物理所公开发表论文 > 期刊论文

	Quantum phase transition of cold atoms trapped in optical lattices
	Chen, YH ; Wu, W ; Liu, GC ; Tao, HS ; liu, WM
刊名	FRONTIERS OF PHYSICS
	2012
卷号	7 期号:2 页码:223
关键词	TOPOLOGICAL INSULATORS FESHBACH RESONANCE MAGNETIC-FIELDS ULTRACOLD GASES MOTT INSULATOR STATE PHYSICS FERMI GAS SUPERFLUIDITY REALIZATION DIMENSIONS
ISSN号	2095-0462
通讯作者	Chen, YH (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
中文摘要	We review our recent theoretical advances in phase transition of cold atoms in optical lattices, such as triangular lattice, honeycomb lattice, and Kagome lattice. By employing the new developed numerical methods called dynamical cluster approximation and cellular dynamical mean-field theory, the properties in different phases of cold atoms in optical lattices are studied, such as density of states, Fermi surface and double occupancy. On triangular lattice, a reentrant behavior of phase translation line between Fermi liquid state and pseudogap state is found due to the Kondo effect. We find the system undergoes a second order Mott transition from a metallic state into a Mott insulator state on honeycomb lattice and triangular Kagome lattice. The stability of quantum spin Hall phase towards interaction on honeycomb lattice with spin-orbital coupling is systematically discussed. And we investigate the transition from quantum spin Hall insulator to normal insulator in Kagome lattice which includes a nearest-neighbor intrinsic spin-orbit coupling and a trimerized Hamiltonian. In addition, we propose the experimental protocols to observe these phase transition of cold atoms in optical lattices.
收录类别	SCI
资助信息	National Natural Science Foundation of China [10934010, 60978019]; National Key Basic Research Special Foundation of China [2009CB930701, 2010CB922904, 2011CB921502, 2012CB821300]; Research Grants Council of Hong Kong [11061160490, 1386-N-HKU748/10]
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/51711]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Chen, YH,Wu, W,Liu, GC,et al. Quantum phase transition of cold atoms trapped in optical lattices[J]. FRONTIERS OF PHYSICS,2012,7(2):223.
APA	Chen, YH,Wu, W,Liu, GC,Tao, HS,&liu, WM.(2012).Quantum phase transition of cold atoms trapped in optical lattices.FRONTIERS OF PHYSICS,7(2),223.
MLA	Chen, YH,et al."Quantum phase transition of cold atoms trapped in optical lattices".FRONTIERS OF PHYSICS 7.2(2012):223.