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Asymmetric Particle Transport and Light-Cone Dynamics Induced by Anyonic Statistics

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作     者:Fangli Liu James R. Garrison Dong-Ling Deng Zhe-Xuan Gong Alexey V. Gorshkov 

作者机构:Joint Quantum Institute NIST/University of Maryland College Park Maryland 20742 USA Joint Center for Quantum Information and Computer Science NIST/University of Maryland College Park Maryland 20742 USA Center for Quantum Information IIIS Tsinghua University Beijing 100084 People’s Republic of China Condensed Matter Theory Center Department of Physics University of Maryland College Park Maryland 20742 USA Department of Physics Colorado School of Mines Golden Colorado 80401 USA 

出 版 物:《Physical Review Letters》 (物理评论快报)

年 卷 期:2018年第121卷第25期

页      面:250404-250404页

核心收录:

学科分类:07[理学] 0702[理学-物理学] 

基  金:Laboratory for Physical Sciences National Science Foundation, NSF, (PHY-1607611) National Science Foundation, NSF Colorado School of Mines, CSM Air Force Office of Scientific Research, AFOSR Army Research Office, ARO Basic Energy Sciences, BES National Science Foundation, NSF Microsoft Advanced Scientific Computing Research, ASCR National Institute of Standards and Technology, NIST Tsinghua University, THU 

主  题:Anyons Cold gases in optical lattices Quantum quench Synthetic gauge fields Discrete symmetries in condensed matter Extended Hubbard model 

摘      要:We study the nonequilibrium dynamics of Abelian anyons in a one-dimensional system. We find that the interplay of anyonic statistics and interactions gives rise to spatially asymmetric particle transport together with a novel dynamical symmetry that depends on the anyonic statistical angle and the sign of interactions. Moreover, we show that anyonic statistics induces asymmetric spreading of quantum information, characterized by asymmetric light cones of out-of-time-ordered correlators. Such asymmetric dynamics is in sharp contrast to the dynamics of conventional fermions or bosons, where both the transport and information dynamics are spatially symmetric. We further discuss experiments with cold atoms where the predicted phenomena can be observed using state-of-the-art technologies. Our results pave the way toward experimentally probing anyonic statistics through nonequilibrium dynamics.

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