Zobrazeno 1 - 10
of 38
pro vyhledávání: '"L. L. Goncalves"'
Publikováno v:
Modern Physics Letters B. 10:1441-1446
The relaxational heat capacity of an infinite linear polymer chain is computed. The result is derived within a kinetic Ising-like model previously introduced to provide for a dynamical generalization of the Gibbs-di Marzio lattice model. The question
Publikováno v:
Journal of Physics A: Mathematical and General. 26:6697-6709
A quasi one-dimensional kinetic Ising-like model is developed to study relaxation phenomena in linear polymer chains. In the case where the number N of bonds in the chain is very large, the model Hamiltonian reduces to the one giving the intramolecul
Publikováno v:
Biophysical Journal. 58:549-555
The relative numbers of North-seeking and South-seeking polarity types in natural populations of magnetotactic bacteria were determined at sites on the coast of Brazil. These sites were South of the geomagnetic equator and had upward geomagnetic incl
Publikováno v:
Developments in Mathematical and Experimental Physics ISBN: 9781461349655
The kinetic Ising model on an inhomogeneous periodic chain, which is composed of N segments with n different bonds, is considered. The model is studied within the Glauber dynamics and the restricted dynamics introduced by the authors for the descript
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::830d31132aca43be23d365a5635f422c
https://doi.org/10.1007/978-1-4615-0207-4_18
https://doi.org/10.1007/978-1-4615-0207-4_18
Publikováno v:
Brazilian Journal of Physics, Volume: 30, Issue: 4, Pages: 731-735, Published: DEC 2000
ResearcherID
Brazilian Journal of Physics v.30 n.4 2000
Brazilian Journal of Physics
Sociedade Brasileira de Física (SBF)
instacron:SBF
ResearcherID
Brazilian Journal of Physics v.30 n.4 2000
Brazilian Journal of Physics
Sociedade Brasileira de Física (SBF)
instacron:SBF
The kinetic Ising model on a n-isotopic chain is considered in the framework of Glauber dynamics. The chain is composed of N segments with n sites, each one occupied by a different isotope. Due to the isotopic mass difference, the n spins in each seg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65d55390b8b157c85202fc6b5fd58994
Autor:
A. P. Vieira, L. L. Goncalves
The one-dimensional Ising model in an external magnetic field with uniform long-range interactions and random short-range interactions satisfying bimodal annealed distributions is studied. This generalizes the random model discussed by Paladin et al.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1be1a2150cd133b681e97080919ac7ca
http://arxiv.org/abs/cond-mat/9809050
http://arxiv.org/abs/cond-mat/9809050
Autor:
A. P. Vieira, L. L. Goncalves
An analysis of the random lattice gas in the annealed limit is presented. The statistical mechanics of disordered lattice systems is briefly reviewed. For the case of the lattice gas with an arbitrary uniform interaction potential and random short-ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a79614e5803bdffd0ceb0404948424a
Akademický článek
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Autor:
H B Cruz, L L Goncalves
Publikováno v:
Journal of Physics C: Solid State Physics. 14:2785-2791
The authors study the time-dependent correlations of the free-ends isotropic XY model in a transverse field. The boundary effects on the longitudinal correlation, namely (Sjz(t)Slz(0)), and bulk dynamic properties are considered at the temperature li
Autor:
L. L. Goncalves, N. Zagury
Publikováno v:
physica status solidi (b). 68:607-615
The magnetoelastic wave excitations driven by a microwave field applied parallel to the strong dc field in the region of the cross over are investigated. The power absorption arid the critical field are obtained by analyzing the direct excitation and