Constants of the motion and diagonalization of the Hamiltonian for some scattering processesCOLEGRAVE, R. K; CROXSON, P.Journal of mathematical physics. 1991, Vol 32, Num 12, pp 3361-3368, issn 0022-2488Article

The strangled harmonic oscillatorCOLEGRAVE, R. K; KHEYRABADY, E.Lettere al Nuovo Cimento della Societa Italiana di Fisica. 1984, Vol 40, Num 6, pp 185-189, issn 0375-930XArticle

The effects of uncertain frequency and phase in resonance vibrationsCOLEGRAVE, R. K; KHOSRAVI, A.Journal of sound and vibration. 1986, Vol 109, Num 3, pp 473-480, issn 0022-460XArticle

Dissipation of energy in the damped harmonic oscillatorCOLEGRAVE, R. K; EFFAT KHEYRABADY.Physical review. A, General physics. 1986, Vol 34, Num 5, pp 3634-3641, issn 0556-2791Article

Squeezing induced in a harmonic oscillator by a sudden change in mass or frequencyABDALLA, M. S; COLEGRAVE, R. K.Physical review. A. 1993, Vol 48, Num 2, pp 1526-1531, issn 1050-2947, AArticle

A model for modulated damping or growth of a harmonic oscillator in classical or quantum mechanicsSEBAWEH ABDALLA, M; COLEGRAVE, R. K.Lettere al Nuovo Cimento della Societa Italiana di Fisica. 1984, Vol 39, Num 16, pp 373-379, issn 0375-930XArticle

Harmonic oscillator with strongly pulsating mass under the action of a driving forceSEBAWE ABDALLA, M; COLEGRAVE, R. K.Physics letters. A. 1985, Vol 32, Num 4, pp 1958-1964, issn 0375-9601Article

Field fluctuations in a Fabry-Pérot cavity in resonance with a reservoir of two-level atoms. I: Adiabatic fluctuationsCOLEGRAVE, R. K; SEBAWE ABDALLA, m.Optica acta. 1983, Vol 30, Num 6, pp 849-860, issn 0030-3909Article

Invariants for the time-dependent harmonic oscillatorCOLEGRAVE, R. K; MANNAN, M. A.Journal of mathematical physics. 1988, Vol 29, Num 7, pp 1580-1587, issn 0022-2488Article

Harmonic oscillator with strongly pulsating mass under the action of a driving forceSEBAWE ABDALLA, M; COLEGRAVE, R. K.Physical review. A, General physics. 1985, Vol 32, Num 4, pp 1958-1964, issn 0556-2791Article

Invariants for the time-dependent harmonic oscillator ICOLEGRAVE, R. K; ABDALLA, M. S.Journal of physics. A, mathematical and general. 1983, Vol 16, Num 16, pp 3805-3815, issn 0305-4470Article

Absorption of energy by a pumped harmonic oscillatorCOLEGRAVE, R. K; STEPHENS, D.B.L; KHOSRAVI, A et al.Journal of sound and vibration. 1986, Vol 109, Num 3, pp 467-471, issn 0022-460XArticle

The pulsating harmonic oscillatorSEBAWE ABDALLA, M; COLEGRAVE, R. K; KHOSRAVI, A et al.Il Nuovo cimento. B. 1986, Vol 93B, Num 2, pp 195-216, issn 0369-3554Article

Periodic fluctuations in a Fabry-Perot cavity in resonance with a reservoir of two-level atomsCOLEGRAVE, R. K; VAHABPOUR-ROUDSARI, A.Optica acta. 1985, Vol 32, Num 4, pp 485-498, issn 0030-3909Article

The energy stored in a parametrically pumped oscillatorCOLEGRAVE, R. K; CROXSON, P; MASKELL, N. B et al.Physics letters. A. 1987, Vol 125, Num 8, pp 359-361, issn 0375-9601Article

Energy of a nonconservative system in quantum mechanicsCOLEGRAVE, R. K; CROXSON, P; KHEYRABADY, E et al.Physica. A. 1989, Vol 161, Num 1, pp 118-127, issn 0378-4371, 10 p.Article