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Quantum-mechanical transport equation for atomic systems.A quantum-mechanical transport equation (QMTE) is derived which should be applicable to a wide range of problems involving the interaction of radiation with atoms or molecules which are also subject to collisions with perturber atoms. The equation follows the time evolution of the macroscopic atomic density matrix elements of atoms located at classical position R and moving with classical velocity v. It is quantum mechanical in the sense that all collision kernels or rates which appear have been obtained from a quantum-mechanical theory and, as such, properly take into account the energy-level variations and velocity changes of the active (emitting or absorbing) atom produced in collisions with perturber atoms. The present formulation is better suited to problems involving high-intensity external fields, such as those encountered in laser physics.
Document ID
19720037017
Document Type
Reprint (Version printed in journal)
Authors
Berman, P. R. (Yale University New Haven, Conn., United States)
Date Acquired
August 6, 2013
Publication Date
February 1, 1972
Publication Information
Publication: Physical Review A - General Physics
Subject Category
PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
Report/Patent Number
AFOSR-72-0635TR
AD-739082
Funding Number(s)
CONTRACT_GRANT: AF-AFOSR-1324-67
Distribution Limits
Public
Copyright
Other