BackBrowsing Artículos by Author "Sokolovski, Dmitri"
Now showing items 1-6 of 6
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From Quantum Probabilities to Quantum Amplitudes
Martínez Garaot, Sofía
; ; (MDPI, 2020-12-08)
The task of reconstructing the system’s state from the measurements results, known as the Pauli problem, usually requires repetition of two successive steps. Preparation in an initial state to be determined is followed by ... -
Klein paradox for bosons, wave packets and negative tunnelling times
(Nature, 2020-11-05)We analyse a little known aspect of the Klein paradox. A Klein-Gordon boson appears to be able to cross a supercritical rectangular barrier without being reflected, while spending there a negative amount of time. The ... -
Quantum Measurements and Delays in Scattering by Zero-Range Potentials
(MDPI, 2024-01-16)Eisenbud–Wigner–Smith delay and the Larmor time give different estimates for the duration of a quantum scattering event. The difference is most pronounced in the case where the de Broglie wavelength is large compared to ... -
Speed-up and slow-down of a quantum particle
(Nature Research, 2022)[EN] 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 from interference between the copies ... -
Tunnelling times, larmor clock, and the elephant in the room
(Nature Research, 2021-05-11)[EN] A controversy surrounding the “tunnelling time problem” stems from the seeming inability of quantum mechanics to provide, in the usual way, a definition of the duration a particle is supposed to spend in a given ... -
von Neumann spin measurements with Rashba fields
(IOP Publishing, 2014-01-10)We show that dynamics in the spin-orbit coupling field simulate the von Neumann measurement of a particle spin. We demonstrate how the measurement influences the spin and coordinate evolution of a particle by comparing two ...