The Quantum Signature of Chaos through the Dynamics of Entanglement in Classically Regular and Chaotic Systems
L.Y. Chewa and N.N. Chungb
aDivision of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
bTemasek Laboratories, National University of Singapore, Singapore 117508
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We demonstrate the dependence of the entanglement dynamics on the global classical regime of regular, mixed and chaotic dynamics with initial squeezed coherent states. By squeezing the initial states, we are able to enhance or suppress the entanglement entropy of the dynamically generated quantum states relative to those produced via initial coherent states. This suggests the possibility of exploiting a judicious selection of initial squeezed states to create quantum states with enhanced entanglement entropy dynamically for the purpose of robust quantum information processing.
DOI: 10.12693/APhysPolA.120.A-95
PACS numbers: 05.45.Mt, 03.67.Bg, 03.67.Mn