Violations of classical inequalities in quantum optics
- 1 August 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 34 (2), 1260-1276
- https://doi.org/10.1103/physreva.34.1260
Abstract
A review is given of correlation experiments in optics which explicitly distinguish between the predictions of classical and quantum theory. In particular, the Cauchy-Schwarz and Bell’s inequalities and the phenomena of photon antibunching and squeezing are discussed. The violation of classical inequalities is shown to be associated with the nonexistence of a positive Glauber-Sudarshan P function. An example is given of a dissipative system where a violation of Bell’s inequality occurs.Keywords
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