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gr-qc2026
Operator-Level Quantum-Classical Correspondence in Relativistic Quantum Theory and Curved Spacetime
Pankaj Sheoran, Gopal Kashyap, Sanjay Siwach
In a recent work \cite{Shaikh:2026nsi}, it was shown that for a non-relativistic particle, the operator equations of motion can be cast in the same differential form as Newton's eq…
gr-qc2024
Stability of Neutron Star and Cosmological Constant
Naveen K. Singh, Gopal Kashyap
We derive the equation for pressure within a neutron star, taking into account a non-zero cosmological constant (). We then examine the stability of the neutron star's equilibri…
gr-qc2015★ 3 cited
Non-relativistic matter and Dark energy in a quantum conformal model
Pankaj Jain, Gopal Kashyap, Subhadip Mitra
We consider a generalization of the standard model which respects quantum conformal invariance. This model leads to identically zero vacuum energy. We show how non-relativistic mat…