2 papers
hep-ph2026
Circular Axion String Loop Simulations: Field Theory and Effective Description
Mathieu Kaltschmidt, Javier Redondo, Ivan Rybak +2
An accurate description of axion strings and their radiation is crucial for understanding their cosmological implications. Motivated by the differing conclusions of previous works,…
quant-ph2026
Vacuum entanglement in a time-dependent electric field
Álvaro Álvarez-Dom\'ınguez, Luis J. Garay, Mercedes Mart\'ın-Benito +1
We analyze the correlations of the vacuum state of a charged scalar field by constructing localized observables in two disjoint regions. We consider a time-dependent homogeneous el…