ACTA

Generation of Squeezed States in a System of Nonlinear Quantum Oscillator as an Indicator of the Quantum-Chaotic Dynamics

J.K. Kalaga^a, M.W. Jarosik^b, R. Szczęśniak^b, W. Leoński^a
^aQuantum Optics and Engineering Division, Institute of Physics, University of Zielona Góra, Prof. Z. Szafrana 4a, 65-516 Zielona Góra, Poland
^bInstitute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland

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We consider a model of quantum nonlinear oscillator which is excited by a series of ultrashort coherent pulses. For such a system, we analyze the potential application of the normally ordered variances as a witness of quantum chaotic behavior. We concentrate on the relations between the generation of the squeezing effects and the appearance of the quantum chaotic behavior of the system.

DOI:10.12693/APhysPolA.135.270
PACS numbers: 05.45.Mt, 42.50.Dv