Gv. Varada et Gs. Agarwal, QUANTUM-STATISTICAL PROPERTIES OF A PARTICLE IN A DOUBLE-HARMONIC-OSCILLATOR POTENTIAL - GENERATION OF SCHRODINGER-CAT STATES, Physical review. A, 48(6), 1993, pp. 4062-4067
The quantum-mechanical double harmonic oscillator is proposed as a mod
el for the generation of Schrodinger-cat states. To demonstrate this t
he quantum-statistical properties of the double oscillator in its grou
nd state are examined. The nonclassical nature of this state and inter
ference effects are analyzed. The squeezing properties of the double h
armonic oscillator are calculated and compared with those of the ''ide
alized'' cat state. The behavior of the quasiprobability distribution
function is also discussed.