An. Lebedev, COOLING AND HEATING OF A QUANTUM OSCILLATOR, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 391(1), 1997, pp. 156-159
The temporal evolution of a quantum oscillator under the action of an
arbitrary electric field is considered bearing in mind the comparative
role of absorption and induced radiation processes. An exact solution
for the wave function is found for dipole and quadrupole (parametric)
excitations