interaction picture


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interaction picture

[¦in·tə¦rak·shən ‚pik·chər]
(quantum mechanics)
A mode of description of a system in which the time dependence is carried partly by the operators and partly by the state vectors, the time dependence of the state vectors being due entirely to that part of the Hamiltonian arising from interactions between particles. Also known as interaction representation.
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Synopsis: Using video microanalysis (which captures moment-to-moment sequences of interactions) Beatrice Beebe, (Clinical Professor of Psychology, Columbia University Medical Center); Phyllis Cohen (Director of the New York Institute for Psychotherapy Training in Infancy, Childhood, and Adolescence); and Frank Lachmann (a member of the founding faculty of the Institute for the Psychoanalytic Study of Subjectivity) focus on the primary of relationships, mother and infant in "The Mother-Infant Interaction Picture Book: Origins of Attachment".
The Mother-Infant Interaction Picture Book" is superbly illustrated with 236 images by Dillon Yothers revealing the emotions, but concealing the identities of specific mothers and infants.
In fact, in experiments aiming at Bose condensation, atom loss is in a large part due to such processes, which can always be treated using a weak interaction picture (22,23).

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