Qubits from Number States and Bell Inequalities for Number Measurements
Quantum Physics
2022-03-16 v3
Abstract
Bell inequalities for number measurements are derived via the observation that the bits of the number indexing a number state are proper qubits. Violations of these inequalities are obtained from the output state of the nondegenerate optical parametric amplifier.
Keywords
Cite
@article{arxiv.quant-ph/0208125,
title = {Qubits from Number States and Bell Inequalities for Number Measurements},
author = {Jan-Åke Larsson},
journal= {arXiv preprint arXiv:quant-ph/0208125},
year = {2022}
}
Comments
revtex4, 7 pages, v2: results identical but extended presentation, v3: published version