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gr-qc2023
Primordial black holes formation in a early matter dominated era from the pre-big bang scenario
Pietro Conzinu, Giovanni Marozzi
We discuss the production of primordial black holes in an early matter dominated era, which typically takes place in string inspired early universe cosmological models. In particul…
gr-qc2009★ 70 cited
Gauge invariant averages for the cosmological backreaction
M. Gasperini, G. Marozzi, G. Veneziano
We show how to provide suitable gauge invariant prescriptions for the classical spatial averages (resp. quantum expectation values) that are needed in the evaluation of classical (…