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	Incompressible quantum liquids and new conservation laws
	Seidel, A ; Fu, H ; Lee, DH ; Leinaas, JM ; Moore, J
	2010-05-06 ; 2010-05-06
关键词	TRIANGULAR LATTICE EXCITATIONS STATE SUPERCONDUCTIVITY SYSTEMS PHASE Physics, Multidisciplinary
中文摘要	In this Letter, we investigate a class of Hamiltonians which, in addition to the usual center-of-mass momentum conservation, also have center-of-mass position conservation. We find that, regardless of the particle statistics, the energy spectrum is at least q-fold degenerate when the filling factor is p/q, where p and q are coprime integers. Interestingly, the simplest Hamiltonian respecting this type of symmetry encapsulates two prominent examples of novel states of matter, namely, the fractional quantum Hall liquid and the quantum dimer liquid. We discuss the relevance of this class of Hamiltonian to the search for featureless Mott insulators.
语种	英语 ; 英语
出版者	AMERICAN PHYSICAL SOC ; COLLEGE PK ; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/15195]
专题	清华大学
推荐引用方式 GB/T 7714	Seidel, A,Fu, H,Lee, DH,et al. Incompressible quantum liquids and new conservation laws[J],2010, 2010.
APA	Seidel, A,Fu, H,Lee, DH,Leinaas, JM,&Moore, J.(2010).Incompressible quantum liquids and new conservation laws..
MLA	Seidel, A,et al."Incompressible quantum liquids and new conservation laws".(2010).

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