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http://ir.ncue.edu.tw/ir/handle/987654321/14101
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| 題名: | Low-energy Effective Theory for One-dimensional Lattice Bosons Near Integer Filling |
| 作者: | Lee, Yu-Wen;Lee, Yu-Li;Yang, Min-Fong |
| 貢獻者: | 物理學系 |
| 日期: | 2007
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| 上傳時間: | 2012-09-10T06:08:05Z
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| 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 |
| 顯示於類別: | [物理學系] 期刊論文
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