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gr-qc2026
Modified Mukhanov-Sasaki equation and primordial perturbations in -deformed non-commutative space-time
Yang Lei, Vishnu Rajagopal, Puxun Wu
We study the inflationary primordial perturbations in -Minkowski non-commutative space-time, a Lie-algebraic type deformation of canonical space-time motivated by quantum gravit…
gr-qc2025★ 5 cited
Gauge dependence of scalar-induced gravitational waves from isocurvature perturbations: Analytical results
Arshad Ali, Yang Lei, Mudassar Sabir
We analytically study the gauge dependence of scalar-induced gravitational waves (SIGWs) sourced by primordial isocurvature perturbations during radiation domination (RD), working…