Journal Article

FZJ-2023-03036

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Relativistic quantum communication between harmonic oscillator detectors

Lapponi, A. (Corresponding author) ; Moustos, D. ; Bruschi, D. E.FZJ* ; Mancini, S.

2023
Inst. Woodbury, NY

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Please use a persistent id in citations: doi:10.1103/PhysRevD.107.125010  doi:10.34734/FZJ-2023-03036

Abstract: We propose a model of communication employing two harmonic oscillator detectors interacting through a scalar field in a background Minkowski spacetime. In this way, the scalar field plays the role of a quantum channel, namely a bosonic Gaussian channel. The classical and quantum capacities of the communication channel are found, assuming that the detectors’ spatial dimensions are negligible compared to their distance. In particular, we study the evolution in time of the classical capacity after the detectors-field interaction is switched on for various detectors’ frequencies and coupling strengths with the field. As a result, we find a finite value of these parameters optimizing the communication of classical messages. Instead, a reliable communication of quantum messages turns out to be always inhibited.

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Contributing Institute(s):

1. Quantum Computing Analytics (PGI-12)

Research Program(s):

1. 5214 - Quantum State Preparation and Control (POF4-521) (POF4-521)

Appears in the scientific report 2023

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Electronics and Telecommunications Collection ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF >= 5 ; JCR ; SCOAP3 sponsored Journal ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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