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Št. zadetkov: 3
Precise and robust methods for false vacuum decay in field theory
Marco Matteini, Miha Nemevšek
Doktorska disertacija
Oznake: field theory;phase transitions;vacuum decay;thin wall limit;Early Universe;gravitational waves;
Zanimanje za fazne prehode zajema mnoga področja fizike, kot so fizika delcev, kozmologija in fizika kondenzirane snovi. V tem delu se osredotočamo na kvantno teorijo polja, posebej na skalarna polja, ter obravnavamo fazne prehode prvega reda, ki jih karakterizira nezvezni preskok v ureditvenem para ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
False vacuum decay rate from thin to thick walls
Marco Matteini, Miha Nemevšek, Yutaro Shoji, Lorenzo Ubaldi
Izvirni znanstveni članek
Oznake: razpad lažnega vakuuma;metastable states;false vacuum;decay rates;thermal field theory;early Universe;
We consider a single real scalar field in flat spacetime with a polynomial potential up to ϕ4, that has a local minimum, the false vacuum, and a deeper global minimum, the true vacuum. When the vacua are almost degenerate we are in the thin wall regime, while as their difference in potential energy ...
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
PT2GWFinder
Vedran Brdar, Marco Finetti, Marco Matteini, António P. Morais, Miha Nemevšek
Izvirni znanstveni članek
Oznake: gravitacijski valovi;PT2GWFinder;zgodnje vesolje;gravitational waves;early universe;
The detection of gravitational waves from binary black hole and neutron star mergers by ground-based interferometers, as well as the evidence for a gravitational wave background from pulsar timing array experiments, has marked a new era in astrophysics and cosmology. These experiments also have grea ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Št. zadetkov: 3
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