Articles with "cummings model" as a keyword



Uncover quantumness in the crossover from coherent to quantum-correlated phases via photon statistics and entanglement in the Tavis–Cummings model

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Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.167672

Abstract: Abstract Collective phenomena in the Tavis–Cummings model has been widely studied, focusing on the phase transition features. On many occasions, it has been used variational approaches that consider separated radiation-matter systems. This paper examines the… read more here.

Keywords: tavis cummings; coherent; cummings model; quantum correlated ... See more keywords
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Coherence and catalysis in the Jaynes–Cummings model

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Published in 2020 at "New Journal of Physics"

DOI: 10.1088/1367-2630/ab7607

Abstract: There has been substantial interest of late on the issue of coherence as a resource in quantum thermodynamics. To date, however, analyses have focussed on somewhat artificial theoretical models. We seek to bring these ideas… read more here.

Keywords: catalysis jaynes; coherence catalysis; cummings model; quantum ... See more keywords

Tripartite multiphoton Jaynes-Cummings model: Analytical solution and Wigner nonclassicalities

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Published in 2024 at "Physical Review A"

DOI: 10.1103/physreva.111.013710

Abstract: We investigate a generic tripartite quantum system featuring a single qubit interacting concurrently with two quantized harmonic oscillators via nonlinear multiphoton Jaynes-Cummings (MPJC) interactions. Assuming the qubit is initially prepared in a superposition state and… read more here.

Keywords: tripartite multiphoton; cummings model; multiphoton jaynes; jaynes cummings ... See more keywords

Optical and atomic stochastic resonances in the driven dissipative Jaynes-Cummings model

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Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.96.063808

Abstract: In this work we study the stochastic resonance (SR) effect in a driven dissipative Jaynes-Cummings model. The SR effect is systematically studied in the semiclassical and full quantum frameworks and in both cases we find… read more here.

Keywords: cummings model; quantum; dissipative jaynes; optical atomic ... See more keywords

Unitary description of the Jaynes-Cummings model under fractional-time dynamics.

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Published in 2024 at "Physical review. E"

DOI: 10.1103/physreve.111.024110

Abstract: The time-evolution operator corresponding to the fractional-time Schrödinger equation is nonunitary because it fails to preserve the norm of the vector state in the course of its evolution. However, in the context of the time-dependent non-Hermitian… read more here.

Keywords: time; cummings model; fractional time; quantum ... See more keywords

Squeezing-Induced Entanglement and Sub-Poissonian Statistics in an Extended Jaynes–Cummings Model with Pair Coherent Fields

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Published in 2025 at "Symmetry"

DOI: 10.3390/sym17111893

Abstract: We present a two-mode squeezed Jaynes–Cummings model, built upon the formalism of pair coherent states (PCSs), to investigate the dynamics of a two-level atom interacting with a two-mode quantized field. By solving the time-dependent Schrödinger… read more here.

Keywords: entanglement; cummings model; two mode; squeezing induced ... See more keywords