Search Results - "Ford, G.W."

Is there Unruh radiation? by Ford, G.W., O'Connell, R.F.

“…We present an exact analysis of an oscillator (the detector) moving under a constant force with respect to zero-temperature vacuum and coupled to a…”
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Entanglement without dissipation: A touchstone for an exact comparison of entanglement measures by Ford, G.W., Gao, Yang, O’Connell, R.F.

“…Entanglement, which is an essential characteristic of quantum mechanics, is the key element in potential practical quantum information and quantum…”
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Antenatal corticosteroid therapy and blood pressure at 14 years of age in preterm children by Doyle, L W, Ford, G W, Davis, N M, Callanan, C

“…Antenatal corticosteroid therapy substantially improves the survival rate of preterm infants, with few side effects. Higher blood pressure in adulthood has…”
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Extremely low birth weight and body size in early adulthood by Doyle, L W, Faber, B, Callanan, C, Ford, G W, Davis, N M

“…Aims: To determine the body size of extremely low birth weight (ELBW, birth weight 500–999 g) subjects in early adulthood. Methods: Cohort study examining the…”
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Judgment of the Quality of Restorative Care as Predictors of Restoration Retreatment: Findings from the National Dental PBRN by Riley, J.L., Gilbert , G.H., Ford, G.W., Fellows, J.L., Rindal, B., Gordan, V.V.

“…The primary aim of this study was to test the hypothesis that a patient’s subjective assessments of the dentist’s technical competence, quality of care, and…”
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Decoherence without dissipation by Ford, G.W., O'Connell, R.F.

“…The prototypical Schrödinger cat state, i.e., an initial state corresponding to two widely separated Gaussian wave packets, is considered. The decoherence time…”
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Entropy of a quantum oscillator coupled to a heat bath and implications for quantum thermodynamics by Ford, G.W., O’Connell, R.F.

“…The free energy of a quantum oscillator in an arbitrary heat bath at temperature T is given by a “remarkable formula” which involves only a single integral…”
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Pair of oscillators interacting with a common heat bath by Ford, G. W., O'Connell, R. F.

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There is No Quantum Regression Theorem by Ford, GW, O'Connell, RF

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Limitations on the utility of exact master equations by Ford, G.W., O’Connell, R.F.

“…The low temperature solution of the exact master equation for an oscillator coupled to a linear passive heat bath is known to give rise to serious divergences…”
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The rotating wave approximation (RWA) of quantum optics: serious defect by Ford, G.W., O'Connell, R.F.

“…The rotating wave approximation (RWA) is an integral part of the foundations of quantum optics and it is also used extensively in atomic and condensed-matter…”
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Comment on “The Lax-Onsager Regression “Theorem” revisited” by Ford, G.W, O'Connell, R.F

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Driven systems and the Lax formula by Ford, G.W., O'Connell, R.F.

“…One of the most widely used tools in quantum optics, the Lax formula for two-time correlations, is studied. The formula is then applied to two driven quantum…”
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On the quantum Langevin equation by FORD, G. W, KAC, M

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Calculation of Correlation Functions in the Weak Coupling Approximation by Ford, G.W., O'Connell, R.F.

“…We have previously pointed out (1996, Phys. Rev. Lett.77, 798) that in the calculation of a correlation function C(t) by means of the fluctuation–dissipation…”
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Changes in lung function between age 8 and 14 years in children with birth weight of less than 1,501 g by Doyle, Lex W., Chavasse, R., Ford, G.W., Olinsky, A., Davis, N.M., Callanan, C.

“…We set out to determine whether lung function of children with a birth weight of <1,501 g changed relative to expectations between the ages of 8 and 14 years…”
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Inconsistency of the rotating wave approximation with the Ehrenfest theorem by Ford, G.W., O'Connell, R.F.

“…We point out that the equation of motion derived from the well-known RWA (rotating-wave-approximation) Hamilitonian is inconsistent with the Ehrenfest theorem…”
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Master Equation for an Oscillator Coupled to the Electromagnetic Field by Ford, G.W., Lewis, J.T., O'Connell, R.F.

“…The macroscopic description of a quantum oscillator with linear passive dissipation is formulated in terms of a master equation for the reduced density matrix…”
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The blackbody reservoir and the Planck spectrum by Ford, G.W., O'Connell, R.F.

“…We present a simple criterion for assessing the validity of various reservoir models viz. the results for the random force correlation should lead to the…”
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Quantum oscillator in a blackbody radiation field by FORD, G. W, LEWIS, J. T, O'CONNELL, R. F

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