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quant-ph2026
Velocity of a Quantum Particle in a Classically Forbidden Region
Christian Beck, Sheldon Goldstein, Dustin Lazarovici +2
Recently, Sharoglazova et al. [Nature 643, 67 (2025)] proposed a procedure for determining the speed of a quantum particle in the classically forbidden region of a potential step,…
quant-ph2024
Arrival Times Versus Detection Times
Sheldon Goldstein, Roderich Tumulka, Nino Zanghì
How to compute the probability distribution of a detection time, i.e., of the time which a detector registers as the arrival time of a quantum particle, is a long-debated problem.…
quant-ph2024
On the Measurement of the Unruh Effect Through Extended Quantum Thermometers
M. Cardi, P. Solinas, N. Zanghì
The Unruh effect, predicting a thermal reservoir for accelerating systems, calls for a more refined understanding of measurement processes involving quantum systems as thermometers…