Detecting topological order in a ground state wave function
A large class of topological orders can be understood and classified using the string-net condensation picture. These topological orders can be characterized by a set of data (N, di, F(lmn)(ijk), delta(ijk). We describe a way to detect this kind of topological order using only the ground state wave...
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| Veröffentlicht in: | Physical review letters 2006-03, Vol.96 (11), p.110405-110405, Article 110405 |
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| container_title | Physical review letters |
| container_volume | 96 |
| creator | Levin, Michael Wen, Xiao-Gang |
| description | A large class of topological orders can be understood and classified using the string-net condensation picture. These topological orders can be characterized by a set of data (N, di, F(lmn)(ijk), delta(ijk). We describe a way to detect this kind of topological order using only the ground state wave function. The method involves computing a quantity called the "topological entropy" which directly measures the total quantum dimension D= Sum(id2i). |
| doi_str_mv | 10.1103/physrevlett.96.110405 |
| format | Article |
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| ispartof | Physical review letters, 2006-03, Vol.96 (11), p.110405-110405, Article 110405 |
| issn | 0031-9007 1079-7114 |
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| source | American Physical Society Journals |
| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ENTROPY FERMIONS GROUND STATES QUANTUM ENTANGLEMENT QUANTUM MECHANICS TOPOLOGY WAVE FUNCTIONS |
| title | Detecting topological order in a ground state wave function |
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