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4 papers · 2 filters
Exact solutions and symmetry analysis for the limiting probability distribution of quantum walks
Xin-Ping Xu, Yusuke Ide
In the literature, there are numerous studies of one-dimensional discrete-time quantum walks (DTQWs) using a moving shift operator. However, there is no exact solution for the limi…
Hierarchy of multipartite nonlocality in the nonsignaling scenario
Xiaoxu Wang, Chengjie Zhang, Qing Chen +3
We propose a hierarchy of Bell-type inequalities for arbitrary -partite systems that identify the different degrees of nonlocality ranging from standard to genuine multipartite…
Signatures of topological quantum phase transitions in driven and dissipative qubit-arrays
Y. L. Dong, Titus Neupert, R. Chitra +1
We study photonic signatures of symmetry broken and topological phases in a driven, dissipative circuit QED realization of spin-1/2 chains. Specifically, we consider the transverse…
Mechanism for quantum speedup in open quantum systems
Hai-Bin Liu, W. L. Yang, Jun-Hong An +1
The quantum speed limit (QSL) time for open system characterizes the most efficient response of the system to the environmental influences. Previous results showed that the non-Mar…