Violations of classical inequalities in quantum optics
Abstract
A review is given of correlation experiments in optics which explicitly distinguish between the predictions of classical and quantum theory. In particular, the CauchySchwarz 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 GlauberSudarshan P function. An example is given of a dissipative system where a violation of Bell's inequality occurs.
 Publication:

Physical Review A
 Pub Date:
 August 1986
 DOI:
 10.1103/PhysRevA.34.1260
 Bibcode:
 1986PhRvA..34.1260R
 Keywords:

 Electromagnetism;
 Light Beams;
 Optics;
 Quantum Mechanics;
 Quantum Optics;
 Quantum Theory;
 Coherent Light;
 FokkerPlanck Equation;
 Hamiltonian Functions;
 Parametric Amplifiers;
 Schwartz Inequality;
 Squeezed States (Quantum Theory);
 Optics;
 42.50.p;
 03.65.Bz;
 Quantum optics