Mixed-Order Symmetry-Breaking Quantum Phase Transition Far from Equilibrium

T. O. Puel, Stefano Chesi, Stefan Bernd Kirchner, P. Ribeiro

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

We study the current-carrying steady state of a transverse field Ising chain coupled to magnetic thermal reservoirs and obtain the nonequilibrium phase diagram as a function of the magnetization potential of the reservoirs. Upon increasing the magnetization bias we observe a discontinuous jump of the magnetic order parameter that coincides with a divergence of the correlation length. For steady states with a nonvanishing conductance, the entanglement entropy at zero temperature displays a bias dependent logarithmic correction that violates the area law and differs from the well-known equilibrium case. Our findings show that out-of-equilibrium conditions allow for novel critical phenomena not possible at equilibrium.

原文English
文章編號235701
頁(從 - 到)1-6
頁數6
期刊Physical Review Letters
122
發行號23
DOIs
出版狀態Published - 13 6月 2019

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