960 resultados para Cantilever oscillations
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At head of title: PRL-9-23.
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"Prepared for the Air Force Ballistic Missile Division, Headquarters Air Research and Development Command, under Contract AF 04 (647-309 Thermonuclear Propulsion Research."
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Mode of access: Internet.
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"Prepared under Contract AT(04-3)-165 with the United States Atomic Energy Commission."
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"Supported in part by a National Science Foundation grant for theoretical physics related to I. G. Y."
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"Contract no. DA-44-009 Eng-2986, Department of the Army Project no. 8-35-11-106."
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"Materials Laboratory, Contract no. AF 33(6169-5449, Project no. 7360."
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At head of title: Office of Naval Research, Contract NONR-1858(04), Project NRO43-942.
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Mode of access: Internet.
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Mode of access: Internet.
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Optical Bloch equations are widely used for describing dynamics in a system consisting molecules, electromagnetic waves, and a thermal bath. We analyze applicability of these equations to a single molecule imbedded in a solid matrix. Classical Bloch equations and the limits of their applicability are derived from more general master equations. Simple and intuitively appealing picture based on stochastic Bloch equations shows that at low temperatures, contrary to common believes, a strong driving field can not only suppress but can also increase decay rates of Rabi oscillations. A physical system where predicted effects can be observed experimentally is suggested. (c) 2005 Elsevier B.V. All rights reserved.