Journal
PHYSICAL REVIEW D
Volume 83, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.83.085020
Keywords
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Funding
- EPSRC [EP/G00496X/2]
- STFC (UK) [PP/D507358/1]
- Engineering and Physical Sciences Research Council [EP/G00496X/2, EP/G00496X/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/G000417/1] Funding Source: researchfish
- EPSRC [EP/G00496X/2, EP/G00496X/1] Funding Source: UKRI
- STFC [ST/G000417/1] Funding Source: UKRI
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A single quantum system, such as the Unruh-DeWitt detector, can be used to determine absolute acceleration by local measurements on a quantum field. To show this, we consider two kinematically indistinguishable scenarios: an inertial observer, Bob, measuring the field of a uniformly accelerated cavity, and his noninertial twin, Rob, accelerating and making measurements in a stationary cavity. We find that these scenarios can be distinguished in the nonrelativistic regime only by measurements on highly excited massive fields, allowing one to detect the noninertialness of the reference frame.
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