Determination of Tripartite Entanglement: An Approach to One-Step Double Photoionization of Xenon Atom

Sen, S. and Chakraborty, M. (2021) Determination of Tripartite Entanglement: An Approach to One-Step Double Photoionization of Xenon Atom. In: Research Trends and Challenges in Physical Science Vol. 4. B P International, pp. 29-39. ISBN 978-93-5547-201-4

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Abstract

Quantum entanglement holds the key to a revolution in information processing.This paper investigates the entanglement characteristics of tripartite states of two electronic qubits and an ionic qubit produced by single-step double photoionization (DPI) from a Xeon atom after absorption of a single photon, without observing spin orbit interaction (SOI). DPI is the most natural processes for simultaneously producing two electrons in continuum in a single step. The dimension of the Hilbert space of the qudit depends upon the electronic state of the residual photoion Xe2+. Russel-Salunders coupling (L-S coupling) is applicable in absence of SOI. We consider Peres-Horodecki condition and negativity as an estimation of entanglement. With L-S coupling, all of the properties of a qubit-qudit system can be predicted simply by knowing the spins of the target atom, the residual photoion, the emitted electrons, and the polarisation state of incident photons.

Item Type: Book Section
Subjects: Open Research Librarians > Physics and Astronomy
Depositing User: Unnamed user with email support@open.researchlibrarians.com
Date Deposited: 16 Oct 2023 09:43
Last Modified: 16 Oct 2023 09:43
URI: http://stm.e4journal.com/id/eprint/1781

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