May 26 – 31, 2024
Western University
America/Toronto timezone
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(G*) Unruh phenomena and thermalization for qudit detectors

May 28, 2024, 4:15 PM
15m
SSC Rm 2028 (cap. 135) (Social Science Centre, Western U.)

SSC Rm 2028 (cap. 135)

Social Science Centre, Western U.

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle) Theoretical Physics / Physique théorique (DTP-DPT) (DTP/DQI) T3-2 Holography and Complexity | Holographie et complexité (DPT/DIQ)

Speaker

Everett Patterson (University of Waterloo)

Description

We study Unruh phenomena for an accelerating qudit detector coupled to a quantized scalar field, comparing its response to that of a standard qubit-based Unruh-DeWitt detector. We show that there are limitations to the utility of the detailed balance condition as an indicator for Unruh thermality of higher-dimensional qudit detector models. This can be traced to the fact that a qudit has multiple possible transition channels between its energy levels, in contrast to the 2-level qubit model. We illustrate these limitations using two types of qutrit detector models based on the spin-1 representations of SU(2) and the non-Hermitian generalization of the Pauli observables (the Heisenberg-Weyl operators). https://arxiv.org/abs/2309.04598

Keyword-1 Unruh effect
Keyword-2 QFT in curved spacetime
Keyword-3 RelativisticQuantumInformation

Author

Everett Patterson (University of Waterloo)

Co-authors

Ms Caroline Lima (Perimeter Institute) Erickson Tjoa (University of Waterloo) Robert Mann

Presentation materials

There are no materials yet.