Quantum transients
A. del Campo, G. Garcia-Calderon, J. G. Muga
TL;DR
Quantum transients are temporary phenomena in matter waves occurring before reaching equilibrium, with recent technological advances enabling better control and measurement of these transient effects.
Contribution
This paper reviews various quantum transient phenomena, highlighting recent discoveries and technological developments in controlling matter wave dynamics.
Findings
Identification of new transient phenomena like wave forerunners
Advances in measurement techniques for matter wave transients
Potential applications in quantum control and manipulation
Abstract
Quantum transients are temporary features of matter waves before they reach a stationary regime. Transients may arise after the preparation of an unstable initial state or due to a sudden interaction or a change in the boundary conditions. Examples are diffraction in time, buildup processes, decay, trapping, forerunners or pulse formation, as well as other phenomena recently discovered, such as the simultaneous arrival of a wave peak at arbitrarily distant observers. The interest on these transients is nowadays enhanced by new technological possibilities to control, manipulate and measure matter waves.
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