Zobrazeno 1 - 10
of 323
pro vyhledávání: '"Guilarte, J."'
Publikováno v:
Physical Review D 110 (2024) 085006
Models are developed for the motion of charge-2 Abelian Higgs vortices through the 2-vortex moduli space $M$, with the vortices excited by their shape mode oscillations. The models simplify to the well-known geodesic flow on $M$, modified by a potent
Externí odkaz:
http://arxiv.org/abs/2405.20249
Publikováno v:
JHEP01 (2024), 020
The flow of shape eigenmodes of the small fluctuation operator around BPS 2-vortex solutions is calculated, as a function of the intervortex separation $2d$. For the rotationally-invariant 2-vortex, with $d = 0$, there are three discrete modes; the l
Externí odkaz:
http://arxiv.org/abs/2310.17486
We study topological vortex solutions in a generalized Abelian Higgs model with non-polynomial dielectric and potential functions. These quantities are chosen by requiring integrability of the self-dual limit of the theory for all values of the magne
Externí odkaz:
http://arxiv.org/abs/2206.01486
Publikováno v:
Physica D 440 (2022) 133444
In this paper the whole kink varieties arising in several massive non-linear Sigma models whose target space is the torus ${\mathbb S}^1\times{\mathbb S}^1$ are analytically calculated. This possibility underlies the construction of first-order diffe
Externí odkaz:
http://arxiv.org/abs/2205.12605
We study a semi-local Abelian Higgs sigma model with $\mathbb{CP}^2$-valued scalar fields coupled to gravity. We establish the conditions needed for self-duality in this system and obtain cosmic strings, both of self-dual character and out of the sel
Externí odkaz:
http://arxiv.org/abs/2006.06604
Publikováno v:
Phys. Rev. D 101, 036020 (2020)
Two-dimensional scalar field theories with spontaneous symmetry breaking subject to the action of Jackiw-Teitelboim gravity are studied. Solutions for the $\phi^4$ and sine-Gordon self-gravitating kinks are presented, both for general gravitational c
Externí odkaz:
http://arxiv.org/abs/1911.08167
Autor:
Gadella, M., Guilarte, J. M. Mateos, Muñoz-Castañeda, J. M., Nieto, L. M., Santamaría-Sanz, L.
Publikováno v:
Eur. Phys. J. Plus 135, 786 (2020)
We present a detailed study of a generalised one-dimensional Kronig-Penney model using $\delta\text{-}\delta'$ potentials. We analyse the band structure and the density of states in two situations. In the first case we consider an infinite array form
Externí odkaz:
http://arxiv.org/abs/1909.08603
Publikováno v:
Phys. Lett. B 797 (2019) 134935
In this letter the fractional fermion number of thick domain walls is computed. The analysis is achieved by developing the heat kernel expansion of the spectral eta functon of the Dirac Hamiltonian governing the fermionic fluctuations around the doma
Externí odkaz:
http://arxiv.org/abs/1908.07989
Publikováno v:
Physica D 404 (2020) 132349
The different types of orbits in the classical problem of two particles with equal masses and opposite charges on a plane under the influence of a constant orthogonal magnetic field are classified. The equations of the system are reduced to the probl
Externí odkaz:
http://arxiv.org/abs/1907.10652
We consider different methods of calculating the (fractional) fermion number of solitons based on the heat kernel expansion. We derive a formula for the localized eta function a more systematic version of the derivative expansion for spectral assymme
Externí odkaz:
http://arxiv.org/abs/1905.09030