2 papers
gr-qc2026
Back-action from inertial and non-inertial Unruh-DeWitt detectors revisited in covariant perturbation theory
Adam S. Wilkinson, Leo J. A. Parry, Jorma Louko +1
We investigate the back-action from a spatially pointlike particle detector on a quantum scalar field, as characterised by the expectation value of the field's stress-energy tensor…
gr-qc2024
Local quantum detection of cosmological expansion: Unruh-DeWitt in spatially compact Milne
Adam S. Wilkinson, Jorma Louko
We analyse the excitations and de-excitations of an inertial Unruh-DeWitt detector in the -dimensional expanding Milne cosmology with compact spatial sections, coupled to a…