Squeezing and nonclassicality of q-deformed superposition states

Anupama, S.; Kannan, S.; Sudheesh, C.

doi:10.1140/epjd/s10053-021-00337-8

Eur. Phys. J. D

2022

DOI: 10.1140/epjd/s10053-021-00337-8

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Squeezing and nonclassicality of q-deformed superposition states

S. Anupama

S. Kannan

C. Sudheesh

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Cited by 3 publications

References 46 publications

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Janus-faced nature of q-deformed states and estimation of the quadrature moments from optical tomogram

Kannan,

Sudheesh

2024

Phys. Scr.

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In this work, we derive the optical tomograms of various $q$-deformed quantum states. We found that irrespective of the deformation parameter $q$, the Janus-faced nature of the quantum states manifests in their corresponding optical tomograms. A general method to estimate the quadrature moments from the optical tomograms of any $q$-deformed states is also derived. We also note that this technique can be used in high-precision experiments to observe deviations from the standard quantum mechanical behavior.

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Janus-faced nature of q-deformed states and estimation of the quadrature moments from optical tomogram

Kannan,

Sudheesh

2024

Phys. Scr.

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Wave packet dynamics of entangled q-deformed states

Rohith,

Anupama,

Sudheesh

2024

Phys. Scr.

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This paper explores the wave packet dynamics of a math-type q-deformed field interacting with atoms in a Kerr-type nonlinear medium. The primary focus is on the generation and dynamics of entanglement using the q-deformed field, with the quantification of entanglement accomplished through the von Neumann entropy. Two distinct initial q-deformed states, the q-deformed Fock state, and the q-deformed coherent state, are investigated. The entanglement dynamics reveal characteristics of periodic, quasi-periodic, and chaotic behaviour. Non-deformed initial states display wave packet near revivals and fractional revivals in entanglement dynamics while introducing q-deformation eliminates these features. The q-deformation significantly influences wave packet revivals and fractional revivals, with even a slight introduction causing their disappearance. For large values of q, the entanglement dynamics exhibit a chaotic nature. In the case of a beam splitter-type interaction applied to the initial deformed Fock state, an optimal deformation parameter q is identified, leading to maximum entanglement exceeding the non-deformed scenario.

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Investigation of quantum information theory with the screened modified Kratzer and a class of Yukawa potential model

Inyang,

Omugbe,

Abu-shady

et al. 2023

Eur. Phys. J. Plus

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Squeezing and nonclassicality of q-deformed superposition states

Cited by 3 publications

References 46 publications

Janus-faced nature of q-deformed states and estimation of the quadrature moments from optical tomogram

Janus-faced nature of q-deformed states and estimation of the quadrature moments from optical tomogram

Wave packet dynamics of entangled q-deformed states

Investigation of quantum information theory with the screened modified Kratzer and a class of Yukawa potential model

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