CORE
🇺🇦Â
 make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
The Leggett-Garg inequalities with deformed Pegg-Barnett phase observables
Authors
Hiroo Azuma
William J. Munro
Kae Nemoto
Publication date
22 July 2022
Publisher
View
on
arXiv
Abstract
We investigate the Leggett-Garg inequalities (LGIs) for a boson system whose observables are given by deforming the Pegg-Barnett phase operator. We consider two observables for the LGIs and show that the quantum Fourier transform is useful to realize the required measurements. Deriving explicit forms of the LGIs with a coherent state
∣
α
⟩
|\alpha\rangle
∣
α
⟩
input, we examine whether or not they are violated when the time difference between observations of the phase operators is varied. We show that the system remains nonclassical in the large amplitude limit without dissipation. By contrast with dissipation, our violation of the LGI diminishes rapidly.Comment: 20 pages, 10 eps figures, latex2
Similar works
Full text
Available Versions
arXiv.org e-Print Archive
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:arXiv.org:2207.10900
Last time updated on 28/09/2022