【摘 要】
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By definition a short range entangled topological state must have trivial bulk spectrum, but nontrivial boundary spectrum.Well known examples of short range
【出 处】
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第十三届国际凝聚态理论与计算材料学会议(The 13th International Conference on Con
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By definition a short range entangled topological state must have trivial bulk spectrum, but nontrivial boundary spectrum.Well known examples of short range entangled topological states include the integer quantum Hall state, quantum spin Hall state, topological insulator, etc.We propose a convenient and general method of diagnosing short range entangled topological states based on their bulk ground state wave functions defined on a lattice without boundary.We demonstrate that this method is applicable to both fermionic and bosonic systems, with or without interaction.
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