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cond-mat.stat-mech2019★ 8 cited
Translation constraints on quantum phases with twisted boundary conditions
Shunsuke C. Furuya, Yusuke Horinouchi
Bulk properties of quantum phases should be independent of a specific choice of boundary conditions as long as the boundary respects the symmetries. Based on this physically reason…
cond-mat.stat-mech2019★ 11 cited
Polarization amplitude near quantum critical points
Shunsuke C. Furuya, Masaaki Nakamura
We discuss the polarization amplitude of quantum spin systems in one dimension. In particular, we closely investigate it in gapless phases of those systems based on the two-dimensi…