Quantum correlation of qubit-reservoir system in dissipative environments

Quantum correlation of qubit-reservoir system in dissipative environments

Blog Article

Abstract In this work, the dynamics of quantum correlation (QC) in terms of geometric discord and its transfer coupled T-Shirt with dissipative reservoirs are investigated.Taken two canonical cases where the qubits of interest are initially prepared in extended Werner-like state and W-like states into account, we specifically reveal the dynamical behaviors of the geometric discord as each qubit locally interacts with its surrounding infinite degree-of-freedom reservoir.In the scenarios, the short-term and long-term dynamics of the geometric discord for the qubit- and reservoir-subsystem as well as its transfers between them are observed detailedly.

It turns out that the geometric discord of qubit-subsystem decays asymptotically to zero while the Baby Products counterpart of reservoir-subsystem can revive from time t = 0 to steady value, which sheds light on a transfer of the discord from the qubit-subsystem to the corresponding reservoir-subsystem.