Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Villa, Gonzalo"'
Autor:
Revello, Filippo, Villa, Gonzalo
Cosmic (super)strings offer promising ways to test ideas about the early universe and physics at high energies. While in field theory constructions their tension is usually assumed to be constant (or at most slowly-varying), this is often not the cas
Externí odkaz:
http://arxiv.org/abs/2411.04186
Autor:
Villa, Gonzalo
We illustrate the main points behind the computation of the gravitational wave spectrum originated from a phase in the early universe where the energy density is dominated by highly excited fundamental string degrees of freedom - a Hagedorn phase. Th
Externí odkaz:
http://arxiv.org/abs/2410.07350
Autor:
Cicoli, Michele, Hughes, Christopher, Kamal, Ahmed Rakin, Marino, Francesco, Quevedo, Fernando, Ramos-Hamud, Mario, Villa, Gonzalo
We study a new framework for brane-antibrane inflation where moduli stabilisation relies purely on perturbative corrections to the effective action. This guarantees that the model does not suffer from the eta-problem. The inflationary potential has t
Externí odkaz:
http://arxiv.org/abs/2410.00097
We study finite temperature effects in string cosmology and their potential gravitational wave signature. Expanding on our recent work arXiv:2310.11494 , we consider a general configuration of highly excited open and closed strings at high enough tem
Externí odkaz:
http://arxiv.org/abs/2408.13803
Autor:
Frey, Andrew R., Mahanta, Ratul, Maharana, Anshuman, Muia, Francesco, Quevedo, Fernando, Villa, Gonzalo
Publikováno v:
J. High Energ. Phys. 2024, 112 (2024)
We revisit the study of string theory close to the Hagedorn temperature with the aim towards cosmological applications. We consider interactions of open and closed strings in a gas of D$p-$branes, and/or one isolated D$p$-brane, in an arbitrary numbe
Externí odkaz:
http://arxiv.org/abs/2310.11494
Publikováno v:
JCAP 09 (2023) 006
The Cosmic Gravitational Wave Background (CGWB) is an irreducible background of gravitational waves generated by particle exchange in the early Universe plasma. Standard Model particles contribute to such a stochastic background with a peak at $f\sim
Externí odkaz:
http://arxiv.org/abs/2303.01548
Akademický článek
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Autor:
Zita, Cátia Samajo1 (AUTHOR), Villa, Gonzalo Gonzáles1 (AUTHOR), Matediana, Eduardo1 (AUTHOR), Tomás, Pita1 (AUTHOR), Pizzol, Damiano2 (AUTHOR) d.pizzol@cuamm.org, Smith, Lee3 (AUTHOR)
Publikováno v:
Journal of Surgical Case Reports. Apr2024, Vol. 2024 Issue 4, p1-2. 2p.
Akademický článek
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Autor:
De Villa, Gonzalo
Publikováno v:
Revista Cultura de Guatemala. may-sep2004, Vol. 25 Issue 2, p9-16. 8p.