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- Institute of Modern PhysicsCN503 papers
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7 papers · 2 filters
Effect of bath temperature on the decoherence of quantum dissipative systems
Wei Wu, Hai-Qing Lin
We report an anomalous decoherence phenomenon of a quantum dissipative system in the framework of a stochastic decoupling scheme along with a hierarchical equations-of-motion forma…
Dark Modes of Quantum Linear Systems
Yu Pan, Daoyi Dong, Ian R. Petersen
In this paper, we develop a direct method for the characterization of dark modes. The results can be used to construct a transformation that separates dark and bright modes, throug…
Renormalization of trace distance and multipartite entanglement close to the quantum phase transitions of one- and two-dimensional spin-chain systems
Wei Wu, Jing-Bo Xu
We investigate the quantum phase transitions of spin systems in one and two dimensions by employing trace distance and multipartite entanglement along with real-space quantum renor…
Quantum phase transition by employing trace distance along with the density matrix renormalization group
Da-Wei Luo, Jing-Bo Xu
We use an alternative method to investigate the quantum criticality at zero and finite temperature using trace distance along with the density matrix renormalization group. It is s…
Trace distance and scaling behavior of coupled cavity lattice at finite temperature
Da-Wei Luo, Jing-Bo Xu
We use an alternative approach to study the quantum phase transition in a coupled cavity lattice at finite temperature. As an illustrative example, we investigate the behaviors of…
Coherence breaking channels and coherence sudden death
Kaifeng Bu, Swati, Uttam Singh +1
Quantum noise is ubiquitous to quantum systems as they incessantly interact with their surroundings and results in degrading useful resources such as coherence for single quantum s…