3 papers
quant-ph2021
Entangled ripples and twists of light: Radial and azimuthal Laguerre-Gaussian mode entanglement
Natalia Herrera Valencia, Vatshal Srivastav, Saroch Leedumrongwatthanakun +2
It is well known that photons can carry a spatial structure akin to a "twisted" or "rippled" wavefront. Such structured light fields have sparked significant interest in both class…
quant-ph2020
High-Dimensional Pixel Entanglement: Efficient Generation and Certification
Natalia Herrera Valencia, Vatshal Srivastav, Matej Pivoluska +4
Photons offer the potential to carry large amounts of information in their spectral, spatial, and polarisation degrees of freedom. While state-of-the-art classical communication sy…
cond-mat.stat-mech2018
Dynamical Quantum Phase Transitions in Extended Toric-Code Models
Vatshal Srivastav, Utso Bhattacharya, Amit Dutta
We study the nonequilibrium dynamics of the extended toric code model (both ordered and disordered) to probe the existence of the dynamical quantum phase transitions (DQPTs). We sh…