Work

The entanglement evolution of the quantum optical systems

Year: 2026

Type: article

Abstract: In this paper, we apply the Thermofield Dynamics (TFD) method to transform a quantum optical master equation into a Schrödinger-like equation for an arbitrary initial condition, making it a preferred approach for solving open quantum system problems. Entanglement and quantum mutual information are analyzed for each case using the symplectic eigenvalues of the corresponding covariance matrix, followed by two-mode and single-mode squeezed states.

Source: Journal of Physics Communications

DOI: 10.1088/2399-6528/ae3eca

Authors: Urjjarani Patel, K V S Shiv Chaitanya

Institution: Birla Institute of Technology and Science - Hyderabad Campus

Language: English

Topic: Quantum Information and Cryptography

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $1,880

OpenAlex ID: W7125970620

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