National Changhua University of Education Institutional Repository : Item 987654321/14101
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题名: Low-energy Effective Theory for One-dimensional Lattice Bosons Near Integer Filling
作者: Lee, Yu-Wen;Lee, Yu-Li;Yang, Min-Fong
贡献者: 物理學系
日期: 2007
上传时间: 2012-09-10T06:08:05Z
出版者: The American Physical Society
摘要: A low-energy effective theory for interacting bosons on a one-dimensional lattice at and near integer fillings is proposed. It is found that two sets of bosonic phase fields are necessary in order to explain the complete phase diagram. Using the present effective theory, the nature of the quantum phase transitions among various phases can be identified. Moreover, the general condition for the appearance of the recently proposed Pfaffian-like state can be realized from our effective action.
關聯: Phys. Rev. B, 76(7): 075117
显示于类别:[物理學系] 期刊論文

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