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gr-qc2023
The geometry of inflationary observables: lifts, flows, equivalence classes
Georgios K. Karananas, Marco Michel, Javier Rubio
The Eisenhart lift allows to formulate the dynamics of a scalar field in a potential as pure geodesic motion in a curved field-space manifold involving an additional fictitious vec…
quant-ph2023★ 18 cited
The Timescales of Quantum Breaking
Marco Michel, Sebastian Zell
Due to the inevitable existence of quantum effects, a classical description generically breaks down after a finite quantum break-time . We aim to find criteria for determining…