Massive fields in null-shifted Rindler wedges produce non-thermal spectra for accelerated observers, as mass eliminates the exponential Bogoliubov mixing that creates thermality.
Probes of the vacuum structure of quantum fields in classical backgrounds
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abstract
We compare the different approaches presently available in literature to probe the vacuum structure of quantum fields in classical electromagnetic and gravitational backgrounds. We compare the results from the Bogolubov transformations and the effective Lagrangian approach with the response of monopole detectors (of the Unruh-DeWitt type) in non-inertial frames in flat spacetime and in inertial frames in different types of classical electromagnetic backgrounds. We also carry out such a comparison in inertial and rotating frames when boundaries are present in flat spacetime. We find that the results from these different approaches do not, in general, agree with each other. We attempt to identify the origin of these differences and then go on to discuss its implications for classical gravitational backgrounds.
fields
hep-th 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Null-shifted Rindler wedges yield selective non-Gibbsian thermality in one chiral sector via Bogoliubov transformations, with the global Minkowski state remaining pure.
citing papers explorer
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Thermality Breakdown in Null-Shifted Rindler Wedges
Massive fields in null-shifted Rindler wedges produce non-thermal spectra for accelerated observers, as mass eliminates the exponential Bogoliubov mixing that creates thermality.
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Four inequivalent paths to Thermality in Minkowski spacetime
Null-shifted Rindler wedges yield selective non-Gibbsian thermality in one chiral sector via Bogoliubov transformations, with the global Minkowski state remaining pure.