2 papers
gr-qc2026
Gravitational particle production, the cosmological tensions and fast radio bursts
Recai Erdem
In [26] it had been found that gravitational particle production (to be more specific, gravitational vacuum polarization) results in an effective increase in the directly measured…
gr-qc2026
Resolution of the cosmological constant problem by unimodular gravity and signature reversal symmetry
Recai Erdem
The (old) cosmological constant problem consists of two different problems. The first is the huge discrepancy between the value of the cosmological constant deduced from observatio…