Journal
PHOTONICS
Volume 8, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/photonics8010020
Keywords
quantum correlations; nonlinear oscillator; quantum chaos; Leggett– Garg inequality
Categories
Funding
- ERDF/ESF project Nanotechnologies for Future [CZ.02.1.01/0.0/0.0/16_019/0000754]
- Polish National Science Center [DEC-2019/34/A/ST2/00081]
- [003/RID/2018/19]
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We investigated the time correlations of a quantum nonlinear Kerr-like oscillator pumped by ultrashort coherent pulses, analyzing the violation of the Leggett-Garg inequality. We observed how these correlations change as the system's dynamics transition between regular and chaotic regions in its classical counterpart.
We consider a quantum nonlinear Kerr-like oscillator externally pumped by a series of ultrashort coherent pulses to analyze the quantum time-correlations appearing while the system evolves. For that purpose, we examine the violation of the Leggett-Garg inequality. We show how the character of such correlations changes when the system's dynamics correspond to the regular and chaotic regions of its classical counterpart.
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