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quant-ph2026
Decoherence of spatial superpositions along stationary worldlines
Clemens Jakubec, Aaron Bartleson, Peter W. Milonni +1
We analyze the decoherence of a particle's spatial superposition moving along a stationary worldline through the Minkowski vacuum. The particle is modeled via an internal degree of…
quant-ph2025
Effect of Self-Interaction on Feynman's Interpretation of the Lamb Shift
Peter W. Milonni, Paul R. Berman, Kanu Sinha
We derive Bethe's formula for the Lamb shift by extending Feynman's suggestion that the shift could be interpreted as the change, due to the presence of the atom, in electromagneti…
quant-ph2024
Decoherence and Brownian motion of a polarizable particle near a surface
Clemens Jakubec, Christopher Jarzynski, Kanu Sinha
We analyze the classical and quantized center-of-mass motion of a polarizable particle interacting with the fluctuations of the electromagnetic (EM) field in the presence of a medi…