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5 papers · 1 filter
Space-time properties of free motion time-of-arrival eigenstates
J. G. Muga, C. R. Leavens, J. P. Palao
The properties of the time-of-arrival operator for free motion introduced by Aharonov and Bohm and of its self-adjoint variants are studied. The domains of applicability of the dif…
Composite absorbing potentials
J. P. Palao, J. G. Muga, R. Sala
The multiple scattering interferences due to the addition of several contiguous potential units are used to construct composite absorbing potentials that absorb at an arbitrary set…
Quantum probability distribution of arrival times and probability current density
V. Delgado
This paper compares the proposal made in previous papers for a quantum probability distribution of the time of arrival at a certain point with the corresponding proposal based on t…
Quantum arrival time measurement and backflow effect
J. G. Muga, J. P. Palao, C. R. Leavens
The current density for a freely evolving state without negative momentum components can temporarily be negative. The operational arrival time distribution, defined by the absorpti…
The time of arrival concept in quantum mechanics
J. G. Muga, R. Sala, J. P. Palao
The concept and the formalization of the arrival time in quantum mechanics are discussed. Different approaches based on trajectories, quantization rules, time operators, phase spac…