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|Title:||Quantum chaotic system as a model of decohering environment|
|Source:||Bandyopadhyay, J.N. (2009). Quantum chaotic system as a model of decohering environment. EPL 85 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1209/0295-5075/85/50006|
|Abstract:||As a model of decohering environment, we show that a quantum chaotic system behaves equivalently as a many-body system. An approximate formula for the time evolution of the reduced density matrix of a system interacting with a quantum chaotic environment is derived. This theoretical formulation is substantiated by the numerical study of the decoherence of two qubits interacting with a quantum chaotic environment modeled by a chaotic kicked top. Like the many-body model of environment, the quantum chaotic system is an efficient decoherer, and it can generate entanglement between the two qubits which have no direct interaction. Copyright © 2009 EPLA.|
|Appears in Collections:||Staff Publications|
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