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quant-ph2024
New Angular Momentum Conservation Laws for Gauge Fields in QED
Farhad Khosravi, Li-Ping Yang, Pronoy Das +1
Quantum electrodynamics (QED) deals with the relativistic interaction of bosonic gauge fields and fermionic charged particles. In QED, global conservation laws of angular momentum…
physics.optics2024★ 1 cited
What are the quantum commutation relations for the total angular momentum of light?
Pronoy Das, Li-Ping Yang, Zubin Jacob
The total angular momentum of light has received attention for its application in a variety of phenomena such as optical communication, optical forces and sensing. However, the qua…
physics.optics2024
Quantum theory of orbital angular momentum in spatiotemporal optical vortices
Pronoy Das, Sathwik Bharadwaj, Zubin Jacob
Spatiotemporal Optical Vortices (STOVs) are structured electromagnetic fields propagating in free space with phase singularities in the space-time domain. Depending on the tilt of…