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quant-ph2022★ 4 cited
Beyond the light-cone propagation of relativistic wavefunctions: numerical results
X. Gutierrez de la Cal, A. Matzkin
It is known that relativistic wavefunctions formally propagate beyond the light cone when the propagator is limited to the positive energy sector. By construction, this is the case…
quant-ph2022★ 9 cited
Speed-up and slow-down of a quantum particle
X. Gutiérrez de la Cal, M. Pons, D. Sokolovski
We study non-relativistic propagation of Gaussian wave packets in one-dimensional Eckart potential, a barrier, or a well. In the picture used, the transmitted wave packet results f…