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	Numerical study of Luttinger liquid regime of two-leg Hubbard ladders
	Cheng, K ; Liu, YL
	2010-05-06 ; 2010-05-06
关键词	MATRIX RENORMALIZATION-GROUP FRIEDEL OSCILLATIONS MODEL SYSTEMS CHAIN Physics, Multidisciplinary
中文摘要	We investigate two-leg Hubbard ladders in the Luttinger liquid regime by the density-matrix renormalization group method. Applicability of the bond concept in this region is discussed in a quantitative comparison of power-law decay exponents, energy components and anti-bond occupations between ladders and chains. The interaction between bond and anti-bond bands induced by finite Hubbard repulsion U is emphasized by our numerical results. Our quantitative results are useful for the justification of the validity of various analytical approaches.
语种	英语 ; 英语
出版者	CHINESE PHYSICAL SOC ; BEIJING ; P O BOX 603, BEIJING 100080, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/14746]
专题	清华大学
推荐引用方式 GB/T 7714	Cheng, K,Liu, YL. Numerical study of Luttinger liquid regime of two-leg Hubbard ladders[J],2010, 2010.
APA	Cheng, K,&Liu, YL.(2010).Numerical study of Luttinger liquid regime of two-leg Hubbard ladders..
MLA	Cheng, K,et al."Numerical study of Luttinger liquid regime of two-leg Hubbard ladders".(2010).

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