Entanglement dynamics of two qubits in a common bath
By Jian Ma, Zhe Sun, Xiaoguang Wang, Franco Nori. 2012
139 citations recorded by the source corpus.
We derive a set of hierarchical equations for qubits interacting with a Lorentz-broadened cavity mode at zero temperature, without using the rotating-wave, Born, and Markovian approximations. We use this exact method to reexamine the entanglement dynamics of two qubits interacting with a common bath, which was previously solved only under the rotating-wave and single-excitation approximations. With the exact hierarchy equation method used here, double excitations due to counter-rotating-wave terms are found to have remarkable effects on the dynamics and the steady-state entanglement.
Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/f2004d29d4873f7ee27a9f5e1f0c9ff949967189
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In Artificial Intelligence
In Atomic and Molecular Physics, and Optics
Citations in the corpus
- Dynamics of non-Markovian open quantum systems (2015, methodology): “Extending the dimension of the hierarchy, the method is able to describe a number of spectral densities leading to correlation functions that are combinations of exponentials (Ma et al., 2012; Tanaka and Tanimura, 2009; Tanimura, 2012).”