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Publikováno v:
Modern Physics Letters A. :3095-3104
At classical level the topological soliton-like configurations of a certain model can be defined as the finite energy solutions of the equations of motion with suitable boundary conditions at infinity (in our case the scalar field must approach any t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::931e9257d7b351f7648bda783ae99fda
https://doi.org/10.1142/s0217732394002926
https://doi.org/10.1142/s0217732394002926
Autor:
A. Tarancon, J.C. Ciria
Publikováno v:
Physical Review D. 49:1020-1028
We compute, in the (1+1)-dimensional [lambda][Phi][sup 4] model on the lattice, the soliton mass by means of two very different numerical methods. First, we make use of a creation operator'' formalism, measuring the decay of a certain correlation fun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40094cee186c751ffac13fed9175cf4c
https://doi.org/10.1103/physrevd.49.1020
https://doi.org/10.1103/physrevd.49.1020
Publikováno v:
Journal of Physics A: Mathematical and General. 26:6731-6745
We investigate the nature of the spin-glass phase in the four-dimensional king spin glass. We study he probability dishibutions of overlaps, of energy overlaps and ullrmetricity for several sizes. We discover the existence of finite-size scaling in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0d2087b92527fe77083dfff88e708dd
https://doi.org/10.1088/0305-4470/26/23/021
https://doi.org/10.1088/0305-4470/26/23/021
Publikováno v:
Journal de Physique I. 3:2207-2227
We confirm recent results obtained in a previous work by studying the Ising spin glass at finite magnetic field in four dimensions. Different approaches to this problem suggest the existence of a critical line similar to that found in mean-field theo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fafe0d5c566b765160176560d92932af
https://doi.org/10.1051/jp1:1993241
https://doi.org/10.1051/jp1:1993241
Publikováno v:
Physics Letters B, Vol 303, Iss 1, Pp 99-102 (1993)
The vacuum structure of a bidimensional model including a real scalar field with quartic and sextic self-interacting terms is analyzed on a lattice. Starting from a classical potential with three equivalent minima the quantum corrections modify the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12c7f9a9582b1a7db5610ab6254570f8
http://www.sciencedirect.com/science/article/pii/037026939390050R
http://www.sciencedirect.com/science/article/pii/037026939390050R
Publikováno v:
Europhysics Letters (EPL). 21:495-499
We study numerically the four-dimensional ± J Ising spin-glass at nonzero external magnetic field. We find numerical evidence of the existence of the Almeida-Thouless critical line. The critical exponents differ from those found at zero external mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::655e89cec9f14b6f9c4539759d9eb20d
https://doi.org/10.1209/0295-5075/21/4/019
https://doi.org/10.1209/0295-5075/21/4/019
Autor:
J. Pech, Vicente Azcoiti, Alejandro Rivero, P. Tellez, Antonio González-Arroyo, P. Martinez, David Iñiguez, José Luis Alonso, Isabel Campos, L. A. Fernandez, Davide Badoni, C.E. Piedrafita, F. Lesmes, Alfonso Tarancón, J.C. Ciria, A. Muñoz Sudupe, A. Cruz, Juan J. Ruiz-Lorenzo
Publikováno v:
Scopus-Elsevier
We simulate the compact U(1)-Higgs model in a four-dimensional lattice. We present a numerical study for the behaviour around the region where the transition between the confining and Higgs phases disappears. The transition line is found to be first
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f72a847fe612c8f82d03a2b953f85d16
https://doi.org/10.1016/0370-2693(92)90818-o
https://doi.org/10.1016/0370-2693(92)90818-o