Zobrazeno 1 - 10
of 176
pro vyhledávání: '"Frederico Tobias"'
Autor:
Issifu, Adamu, da Silva, Franciele M., Santos, Luis C. N., Menezes, Débora P., Frederico, Tobias
This paper investigates the properties of strongly coupled matter at high densities in a quark star (QS). The QS is built from the density-dependent quark mass model (DDQM), modified to obtain higher maximum gravitational mass ($\rm M_{max}$) of the
Externí odkaz:
http://arxiv.org/abs/2408.15889
We investigate the role of a dynamical gluon in the pion within the Basis Light-Front Quantization (BLFQ) framework and compare it with the solution of the Minkowski space Bethe-Salpeter equation, focusing on contributions beyond the valence state. P
Externí odkaz:
http://arxiv.org/abs/2406.18878
Autor:
Fornetti, Filippo, Gnech, Alex, Frederico, Tobias, Pederiva, Francesco, Rinaldi, Matteo, Roggero, Alessandro, Salme', Giovanni, Scopetta, Sergio, Viviani, Michele
The homogeneous Bethe-Salpeter equation (hBSE), describing a bound system in a genuinely relativistic quantum-field theory framework, was solved for the first time by using a D-Wave quantum annealer. After applying standard techniques of discretizati
Externí odkaz:
http://arxiv.org/abs/2406.18669
This work investigates the evolution of proto-neutron stars (PNSs) from birth as neutrino-rich objects to maturity as cold-catalyzed neutrino-poor objects with nucleonic and non-nucleonic degrees of freedom. The focus is on the star's core where the
Externí odkaz:
http://arxiv.org/abs/2405.10386
Autor:
Carbonell, Jaume, Frederico, Tobias
A lepton-neutron potential in configuration space is obtained. It is based on the Coulomb plus hyperfine interaction Hamiltonian integrated over the neutron charge and magnetic densities. Different parametrisations of the neutron electromagnetic form
Externí odkaz:
http://arxiv.org/abs/2405.02407
Autor:
frederico, Tobias, Francisco, Rafael Mendes, Rosa, Dérick dos Santos, Krein, Gastão Inácio, Yamashita, Marcelo Takeshi
We explore the effect of a finite two-body energy in the discrete scale symmetry regime of two heavy bosonic impurities immersed in a light bosonic system. By means of the Born-Oppenheimer approximation in non-integer dimensions $(D)$, we discuss the
Externí odkaz:
http://arxiv.org/abs/2402.10792
In this paper, we present a holographic realization of spontaneous chiral symmetry breaking and confinement. The latter is realized by building a solution of 5d Einstein-dilaton gravity leading to a confining quark antiquark potential. The 4d current
Externí odkaz:
http://arxiv.org/abs/2308.07503
Autor:
Frederico, Tobias, Gattobigio, Mario
We demonstrate that a four-boson limit-cycle independent of the Efimov one appears in Hamiltonian systems at the unitary limit. The model interaction contains two-, three- and four-body short-range potentials, which disentangle the interwoven three-
Externí odkaz:
http://arxiv.org/abs/2303.14952
Autor:
Ydrefors, Emanuel, Frederico, Tobias
The projection onto the Light-Front of a Minkowski space Faddeev-Bethe-Salpeter equation model truncated at the valence level is applied to study the proton structure with constituent quarks. The dynamics of the model has built-in: (i) a bound diquar
Externí odkaz:
http://arxiv.org/abs/2211.10959
Publikováno v:
EPJ Web of Conferences, Vol 192, p 00046 (2018)
The role played by non-extensive thermodynamics in physical systems has been under intense debate for the last decades. Some possible mechanisms that could give rise to non-extensive statistics have been formulated along the last few years, in partic
Externí odkaz:
https://doaj.org/article/95613147195d430c952d47c46678a265