2 papers
gr-qc2025
Semiclassical Mixmaster Universe
Muhammad Muzammil, Viqar Husain
We present a semiclassical study of the Mixmaster cosmology minimally coupled to a massive scalar field in the Hamiltonian formalism, with focus on three distinct scenarios: the cl…
gr-qc2024
From global time to local physics
Syed Moeez Hassan, Viqar Husain, Babar Qureshi
Global time is a gauge or relational choice of time variable in canonical gravity. Local time is the time used in a flat patch of spacetime. We compare the dynamics of a scalar fie…