Non-Hermitian time-dependent perturbation theory: Asymmetric transitions and transitionless interactions
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DOI: 10.1016/j.aop.2017.08.026
Abstract: Abstract The ordinary time-dependent perturbation theory of quantum mechanics, that describes the interaction of a stationary system with a time-dependent perturbation, predicts that the transition probabilities induced by the perturbation are symmetric with respect to… read more here.
Keywords: dependent perturbation; perturbation theory; time dependent; perturbation ... See more keywords
Exponential functions of perturbative series and elimination of secular divergences in time-dependent perturbation theory in quantum mechanics
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DOI: 10.1016/j.rinp.2017.02.007
Abstract: Abstract The difficulty that the probabilities infinitely increase with time when the time is large enough in time-dependent perturbation theory for quantum systems with finite number of levels is treated by means of simply transforming… read more here.
Keywords: dependent perturbation; time; time dependent; perturbative series ... See more keywords