Dynamics of atom-field interaction inside a nonlinear Kerr-like medium filled optical cavity

• URL: http://arxiv.org/abs/2503.16866v1
• Date: Fri, 21 Mar 2025 05:45:51 GMT
• Title: Dynamics of atom-field interaction inside a nonlinear Kerr-like medium filled optical cavity
• Authors: Naveen Kumar, Arpita Chatterjee,
• Abstract summary: We investigate the dynamics of two two-level atoms interacting with a two-mode field inside an optical cavity.<n>We derive the exact analytical solution of the time-dependent Schr"odinger equation.<n>We quantify the atom-atom entanglement using linear entropy.
• Score: 1.2974520793373163
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, we investigate the dynamics of two two-level atoms interacting with a two-mode field inside an optical cavity, in presence of a nonlinear Kerr-like medium as well as the Stark shift. We derive the exact analytical solution of the time-dependent Schr\"odinger equation that provides a comprehensive framework for analyzing the system's quantum properties. To characterize the nonclassical features of the radiation field, we examine photon number distribution, second-order correlation function $g^2(0)$, squeezing properties, and Mandel's $Q_M$ parameter. These properties reveal significant insights into the quantum statistical behaviour of the field and its deviation from classicality under different interaction regimes. In addition, we quantify the atom-atom entanglement using linear entropy which captures the mixedness of the atomic subsystem and elucidates the interplay between atom-atom interactions. The results highlight the crucial role of nonlinear interactions and the Stark shift in shaping the quantum correlations and nonclassical phenomena of the system.

Related papers

• Atom-Field-Medium Interactions II: Covariance Matrix Dynamics for $N$ Harmonic Atoms in a Dielectric-Altered Quantum Field and Effects of Dielectric on Atom-Field Entanglement [0.0]
  We continue our investigation of multi-partite open quantum systems comprising layers of structure using the atom-field-medium interactions.<n>We use the quantum Langevin equation method to calculate the time evolution of the covariance matrix elements of the quantum correlation functions of the idfs of the $N$ system-atoms.<n>We highlight one somewhat peculiar feature in our results and one important technical issue.
  arXiv  Detail & Related papers  (2025-03-17T10:25:32Z)
• Quantum Information of a Four-Level Tripod-Type Atom in Motion Interacting with a Deformed Binomial Field in the Presence of a Non-Linear Medium [0.0]
  This paper investigates the interaction dynamics of a four-level tripod-type atomic system coupled to a q-deformed binomial field state within a Kerr-medium.<n>Special focus is placed on examining how the q-deformation, time-dependent coupling parameter, detuning parameter and Kerr nonlinearity affect the system's fidelity properties and linear entropy dynamics.
  arXiv  Detail & Related papers  (2025-03-12T02:28:47Z)
• Dynamics of a V-type atom inside a deformed cavity field and in the presence of an external Microwave field [0.0]
  We explore the interaction between a V-type atom inside a single mode deformed cavity field in the presence of an external microwave field. The Hamiltonian describing the system is derived from the standard Jaynes-Cummings model by deforming the field operators.
  arXiv  Detail & Related papers  (2024-08-29T16:28:33Z)
• Nonlinear opto-vibronics in molecular systems [0.0]
  We analytically tackle opto-vibronic interactions in molecular systems driven by either classical or quantum light fields. We present analytical expressions based on a quantum Langevin equations approach to describe the emission and absorption spectra of such nonlinear molecular systems.
  arXiv  Detail & Related papers  (2023-10-13T13:52:25Z)
• Modeling Non-Covalent Interatomic Interactions on a Photonic Quantum Computer [50.24983453990065]
  We show that the cQDO model lends itself naturally to simulation on a photonic quantum computer. We calculate the binding energy curve of diatomic systems by leveraging Xanadu's Strawberry Fields photonics library. Remarkably, we find that two coupled bosonic QDOs exhibit a stable bond.
  arXiv  Detail & Related papers  (2023-06-14T14:44:12Z)
• Dilute neutron star matter from neural-network quantum states [58.720142291102135]
  Low-density neutron matter is characterized by the formation of Cooper pairs and the onset of superfluidity. We model this density regime by capitalizing on the expressivity of the hidden-nucleon neural-network quantum states combined with variational Monte Carlo and reconfiguration techniques.
  arXiv  Detail & Related papers  (2022-12-08T17:55:25Z)
• Formation of robust bound states of interacting microwave photons [148.37607455646454]
  One of the hallmarks of interacting systems is the formation of multi-particle bound states. We develop a high fidelity parameterizable fSim gate that implements the periodic quantum circuit of the spin-1/2 XXZ model. By placing microwave photons in adjacent qubit sites, we study the propagation of these excitations and observe their bound nature for up to 5 photons.
  arXiv  Detail & Related papers  (2022-06-10T17:52:29Z)
• Stochastic Variational Approach to Small Atoms and Molecules Coupled to Quantum Field Modes [55.41644538483948]
  We present a variational calculation (SVM) of energies and wave functions of few particle systems coupled to quantum fields in cavity QED. Examples for a two-dimensional trion and confined electrons as well as for the He atom and the Hydrogen molecule are presented.
  arXiv  Detail & Related papers  (2021-08-25T13:40:42Z)
• Nonlinear optical effects on the atom-field interaction based on the nonlinear coherent states approach [0.0]
  We use the two-mode cross-Kerr as the our nonlinear optical phenomena. By using the time-dependent Schr"odinger equation, we first obtain the atom-field state. Then, to study the nonlinear effects on the dynamical properties of the cavity field, we consider photon distribution, correlation function, Mandel parameters of the field.
  arXiv  Detail & Related papers  (2021-07-18T14:44:15Z)
• Molecular Interactions Induced by a Static Electric Field in Quantum Mechanics and Quantum Electrodynamics [68.98428372162448]
  We study the interaction between two neutral atoms or molecules subject to a uniform static electric field. Our focus is to understand the interplay between leading contributions to field-induced electrostatics/polarization and dispersion interactions.
  arXiv  Detail & Related papers  (2021-03-30T14:45:30Z)
• Spin Entanglement and Magnetic Competition via Long-range Interactions in Spinor Quantum Optical Lattices [62.997667081978825]
  We study the effects of cavity mediated long range magnetic interactions and optical lattices in ultracold matter. We find that global interactions modify the underlying magnetic character of the system while introducing competition scenarios. These allow new alternatives toward the design of robust mechanisms for quantum information purposes.
  arXiv  Detail & Related papers  (2020-11-16T08:03:44Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.