Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session TT04: V: General Quantum Information and Foundations
3:30 PM–5:30 PM,
Tuesday, March 21, 2023
Room: Virtual Room 4
Sponsoring
Unit:
DQI
Chair: Shampa Sarkar, Tata Consultancy Services
Abstract: TT04.00004 : Quantum observables in accelerated frames: observing particles beyond the Rindler horizon
4:06 PM–4:18 PM
Presenter:
Riccardo Falcone
(University of Sapienza, Rome, Italy)
Authors:
Riccardo Falcone
(University of Sapienza, Rome, Italy)
Claudio C Conti
(Univ of Rome La Sapienza)
This method is adopted for the case of a single-particle state. We derive the difference between the Rindler particle distribution due to the presence of an inertial single-particle and the Minkowski vacuum background induced by the Unruh effect. The surprising result is that the variation of the particle distribution is not vanishing, even when the single-particle is localized beyond the Rindler horizon. The accelerated observer is, hence, able to detect the presence of an inertial particle emitted beyond the horizon.
Furthermore, we consider a two-particle state and derive a correlation function between Rindler particles with different momenta through the Wigner characteristic function in the accelerated frame. We show that an observer is able to detect acceleration by measuring such correlation.
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