Mathematical calculation for exact solutions of infinitely strongly interacting Fermi gases in tight waveguides | |
Ma, ZQ ; Chen, S ; Guan, LM ; Wang, YP | |
刊名 | JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
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2009 | |
卷号 | 42期号:38 |
关键词 | TONKS-GIRARDEAU GAS IMPENETRABLE BOSONS ONE DIMENSION ATOMS |
ISSN号 | 1751-8113 |
通讯作者 | Ma, ZQ: Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China. |
中文摘要 | Exact analytical solutions of the fundamental systems of N quasi-one-dimensional spin-1/2 fermions with infinite delta repulsion in an arbitrary confining potential were presented in our previous letter ( Guan et al 2009 Phys. Rev. Lett. 102 160402). The solutions are the simultaneous eigenstates of the Hamiltonian H and the total spin operators S(2) and S(z), which fulfil Girardeau's hard-core contacting boundary condition and are antisymmetric under odd permutations among fermions. They are approximate solutions when the coefficient in the delta repulsion is large but finite, and according to the Lieb-Mattis theorem, the solution with the lowest S is the ground state for the system. A detailed mathematical calculation for the exact solutions is presented. The property of the spin-dependent reduced one-body density is discussed. |
收录类别 | SCI |
资助信息 | NSF of China [10821403, 10574150, 10675050]; National Program for Basic Research of MOST, China |
语种 | 英语 |
公开日期 | 2013-09-18 |
内容类型 | 期刊论文 |
源URL | [http://ir.iphy.ac.cn/handle/311004/41780] ![]() |
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 | Ma, ZQ,Chen, S,Guan, LM,et al. Mathematical calculation for exact solutions of infinitely strongly interacting Fermi gases in tight waveguides[J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL,2009,42(38). |
APA | Ma, ZQ,Chen, S,Guan, LM,&Wang, YP.(2009).Mathematical calculation for exact solutions of infinitely strongly interacting Fermi gases in tight waveguides.JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL,42(38). |
MLA | Ma, ZQ,et al."Mathematical calculation for exact solutions of infinitely strongly interacting Fermi gases in tight waveguides".JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL 42.38(2009). |
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