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Resonance expansions in quantum mechanics
R. de la Madrid, G. Garcia-Calderon, J. G. Muga
The goal of this contribution is to discuss various resonance expansions that have been proposed in the literature.
The role of initial state reconstruction in short and long time deviations from exponential decay
J. G. Muga, F. Delgado, A. del Campo +1
We consider the role of the reconstruction of the initial state in the deviation from exponential decay at short and long times. The long time decay can be attributed to a wave tha…
Dynamics of a Tonks-Girardeau gas released from a hard-wall trap
A. del Campo, J. G. Muga
We study the expansion dynamics of a Tonks-Girardeau gas released from a hard wall trap. Using the Fermi-Bose map, the density profile is found analytically and shown to differ fro…
Transition from discrete to continuous time of arrival distribution for a quantum particle
Eric A. Galapon, F. Delgado, J. Gonzalo Muga +1
We show that the Kijowski distribution for time of arrivals in the entire real line is the limiting distribution of the time of arrival distribution in a confining box as its lengt…
Matter wave pulses characteristics
A. del Campo, J. G. Muga
We study the properties of quantum single-particle wave pulses created by sharp-edged or apodized shutters with single or periodic openings. In particular, we examine the visibilit…
Atom diode: Variants, stability, limits, and adiabatic interpretation
A. Ruschhaupt, J. G. Muga
We examine and explain the stability properties of the ``atom diode'', a laser device that lets the ground state atom pass in one direction but not in the opposite direction. The d…