3 papers
quant-ph2025
The Kerr-Induced Superradiant Tricritical Point
Arash Azizi, Reed Nessler
The interplay of interaction and dissipation in open quantum systems can forge phase transitions beyond conventional paradigms. In the canonical quantum Rabi model, we demonstrate…
quant-ph2025
Vacuum-Induced Quantum Gate
Arash Azizi
We demonstrate that the quantum vacuum, as perceived by a uniformly accelerating observer, can be harnessed to perform a quantum Z-gate. A two-level Unruh-DeWitt detector, prepared…
hep-th2025
Time-Ordering in the Dyson-Unruh Problem: Accelerated Observers and Quantum Fields
Arash Azizi
We investigate the structure of time-ordered perturbative expansions in quantum field theory (QFT) in curved spacetime, focusing on the interaction between a scalar field and multi…