3 papers
quant-ph2026
Uncertainty and Wigner negativity in Hilbert-space classical mechanics
Mustafa Amin
Classical mechanics, in the Koopman-von Neumann formulation, is described in Hilbert space. It is shown here that classical canonical transformations are generated by Hermitian ope…
astro-ph.CO2024
Conversations and Deliberations: Non-Standard Cosmological Epochs and Expansion Histories
Brian Batell, Keith R. Dienes, Brooks Thomas +17
This document summarizes the discussions which took place during the PITT-PACC Workshop entitled "Non-Standard Cosmological Epochs and Expansion Histories," held in Pittsburgh, Pen…
gr-qc2023
General Relativistic Polarized Proca Stars
Zipeng Wang, Thomas Helfer, Mustafa A. Amin
Massive vector fields can form spatially localized, non-relativistic, stationary field configurations supported by gravitational interactions. The ground state configurations (p-so…