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hep-ph2025
Quantum spread complexity as a probe of NSI, Violation, and mass ordering in neutrino oscillations in matter
Abhishek Kumar Jha, Govind Krishna G, Anandbhai Pravinbhai Prajapati +1
Quantum spread complexity characterizes how a quantum state evolves and becomes distributed over the Hilbert space under unitary dynamics. In this work, we employ a cost function a…
gr-qc2025★ 2 cited
Probing the quantum speed limit and entanglement in flavor oscillations of neutrino-antineutrino system in curved spacetime
Abhishek Kumar Jha, Mriganka Dutta, Mayank Pathak +2
We consider a spinning primordial black hole (PBH) described by the Kerr metric in Kerr-Schild polar coordinates. We derive an analytical expression for the four-vector gravitation…