Speaker
Dr
Oliver Janssen
(EPFL)
Description
We review a method to compute semiclassical time evolution in quantum mechanics via the path integral, illustrating how it works in paradigmatic examples. This includes the decay of general, excited metastable states from a false vacuum, generalizing a method due to Coleman for the would-be ground state. We then apply the method to compute the time-dependent decay rate of a particle that is coherently oscillating in the false vacuum region. We end with comments about the extension to quantum field theory.
Based on 2603.06575 and 2605.04139
Author
Dr
Oliver Janssen
(EPFL)
Co-authors
Cammie Norton
(NYU)
Flavio Riccardi
(U Roma)
Joel Karlsson
(U Cambridge)
Matt Kleban
(NYU)
Mattia Varrone
(EPFL)