Journal
PHYSICAL REVIEW A
Volume 106, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.106.032222
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Funding
- National Research Foundation
- Ministry of Education, Singapore
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Building upon Tsirelson's work, this study presents a series of protocols for detecting the nonclassicality of suitable states in a single quantum system, assuming the measured dynamical observable undergoes a uniform precession. The researchers extend the previous work by Tsirelson to include the case of the harmonic oscillator. Additionally, they apply the protocols to finite-dimensional spins undergoing uniform precession in real space, observing a gap between the classical and quantum expectations for all j 32 (excluding j = 2).
Building on work by Tsirelson, we present a family of protocols that detect the nonclassicality of suitable states of a single quantum system, under the sole assumption that the measured dynamical observable undergoes a uniform precession. The case of the harmonic oscillator was anticipated in the work by Tsirelson, which we extend. We then apply the protocols to finite-dimensional spins that undergo uniform precession in real space and find a gap between the classical and the quantum expectations for every j 32 (excluding j = 2).
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