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20022025
most citedComplex Optical Potentials and Pseudo-Hermitian Hamiltonians

53 citations · 66 across the 10 of their papers we have counts for

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quant-ph2025

Uncertainty, von Neumann Entropy, and Squeezing in a Bipartite State of Two-Level Atoms

Ram Narayan Deb

We provide a generalized treatment of uncertainties, von Neumann entropy, and squeezing in entangled bipartite pure state of two-level atoms. We observe that when the bipartite sta…

quant-ph2020★ 2 cited

Von Neumann entropy in a dispersive cavity

Ram Narayan Deb

We study the von Neumann entropy of the partial trace of a system of two two-level atoms (qubits) in a dispersive cavity where the atoms are interacting collectively with a single…

quant-ph2020

Von Neumann Entropy from Mean Spin Vector

Ram Narayan Deb

We show for a general pure entangled state of two two-level atoms, the von Neumann entropy of the partial traces can be directly measured from the magnitude of the mean spin vector…

quant-ph2020

Measure of tripartite quantum correlation in multiqubit symmetric pure state

Ram Narayan Deb

We propose a direct measure of tripartite quantum correlation in an arbitrary symmetric pure state of N correlated two-level atoms (qubits). We compute the third order moments of t…

quant-ph2016★ 1 cited

A total measure of multi-particle quantum correlations in atomic Schrödinger cat states

Ram Narayan Deb

We propose a total measure of multi-particle quantum correlation in a system of N two-level atoms (N qubits). We construct a parameter that encompasses all possible quantum correla…

quant-ph2015★ 2 cited

Quantification of Quantum Entanglement in a Multiparticle System of Two-Level Atoms Interacting with a Squeezed Vacuum State of the Radiation Field

Ram Narayan Deb

We quantify multiparticle quantum entanglement in a system of N two-level atoms interacting with a squeezed vacuum state of the electromagnetic field. We calculate the amount of qu…