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Title: Entropy squeezing for qubit – field system under decoherence effect

We study in detail the dynamics of field entropy squeezing (FES) for a qubit – field system whose dynamics is described by the phase-damped model. The results of calculations show that the initial state and decoherence play a crucial role in the evolution of FES. During the temporal evolution of the system under decoherence effect, an interesting monotonic relation between FES, Wehrl entropy (WE) and negativity is observed. (laser applications and other topics in quantum electronics)
Authors:
;  [1] ;  [2] ;  [3]
  1. The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, Miramare-Trieste (Italy)
  2. Mathematics Department, Faculty of Science, Al-Azher University, Nassr City 11884, Cairo (Egypt)
  3. International Islamic University of Malaysia (IIUM), Department of Computer Science, P.O. Box 10, 50728 Kuala Lumpur (Malaysia)
Publication Date:
OSTI Identifier:
22375962
Resource Type:
Journal Article
Resource Relation:
Journal Name: Quantum Electronics (Woodbury, N.Y.); Journal Volume: 44; Journal Issue: 3; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ENTROPY; EXCITED STATES; LASERS; QUANTUM ELECTRONICS; QUBITS