output
19922026
most citedGaia Data Release 2. Summary of the contents and survey properties

8.6k citations

Showing 1994Show all

33 papers · 1 filter

cond-mat1994★ 7 cited

Tempering Dynamics and Relaxation Times in the Ising Model

L. A. Fernandez, E. Marinari, J. J. Ruiz-Lorenzo

We discuss the tempering Monte Carlo method, and its critical slowing down in the Ising model. We show that at the tempering does not change the critical slowing down ex…

hep-lat1994

The Coulomb-Higgs transition of the three-parameter U(1)-Higgs model

A. Cruz, D. Iniguez, A. Tarancon +2

We find a first order Coulomb--Higgs phase transition at moderately large values of the coupling , and no evidence for a change of order at any finite value of it.

hep-lat1994

APE Results of Hadron Masses in Full QCD Simulations

S. Antonelli, A. Bartoloni, C. Battista +13

We present numerical results obtained in full QCD with 2 flavors of Wilson fermions. We discuss the relation between the phase of Polyakov loops and the {\bf sea} quarks boundary c…

hep-lat1994

A proposal of a Renormalization Group transformation

L. A. Fernandez, A. Munoz Sudupe, J. J. Ruiz-Lorenzo +1

We propose a family of renormalization group transformations characterized by free parameters that may be tuned in order to reduce the truncation effects. As a check we test them i…

cond-mat1994★ 28 cited

Understanding delocalization in the Continuous Random Dimer model

A. Sanchez, F. Dominguez-Adame, G. Berman +1

We propose an explanation of the bands of extended states appearing in random one dimensional models with correlated disorder, focusing on the Continuous Random Dimer model [A.\ Sá…

cond-mat1994★ 2 cited

Thomas-Fermi approach to resonant tunneling in delta-doped diodes

Enrique Diez, Francisco Dominguez-Adame, Angel Sanchez

We study resonant tunneling in B--doped diodes grown by Si-molecular beam epitaxy. A Thomas-Fermi approach is used to obtain the conduction-band modulation. Using a scalar Hamil…

cond-mat1994★ 11 cited

Green Function Approach to Interface States in Band Inverted Junctions

F. Dominguez-Adame

We calculate interface states in semiconductor heterostructures with band inversion using a Green function approach and the so called {\em point interaction potentials}. Effects of…

cond-mat1994★ 13 cited

Nonlinear Resonant Tunnelling Through Double Barrier Structures

Enrique Diez, Francisco Dominguez-Adame, Angel Sánchez

We study resonant tunnelling through double-barrier structures under an applied bias voltage, in which nonlinearities due to self-interaction of electrons in the barrier regions ar…

cond-mat1994★ 10 cited

Electronic Structure of Fibonacci Si Delta-Doped Gaas

F. Dominguez-Adame, E. Macia, B. Mendez

We study the electronic structure of a new type of Fibonacci superlattice based on Si -doped GaAs. Assuming that -doped layers are equally spaced, quasiperiodicity is introdu…

cond-mat1994★ 3 cited

Bosonization on the lattice: the emergence of the higher harmonics

Jaime Ferrer, J. González, M. -A. Martín-Delgado

A general and transparent procedure to bosonize fermions placed on a lattice is presented. Harmonics higher than are shown to appear in the one-paticle Green function, due to…

cond-mat1994★ 40 cited

Quasi-Ballistic Electron Transport in Random Superlattices

Francisco Dominguez-Adame, Angel Sanchez, Enrique Diez

We theoretically study electron transport in disordered, quantum-well based, semiconductor superlattices with structural short-range correlations. Our system consists of equal widt…

cond-mat1994★ 11 cited

Incoherent Exciton Trapping in Self-Similar Aperiodic Lattices

Francisco Dominguez-Adame, Enrique Macia, Angel Sanchez

Incoherent exciton dynamics in one-dimensional perfect lattices with traps at sites arranged according to aperiodic deterministic sequences is studied. We focus our attention on Th…

hep-ph1994★ 24 cited

Pion Mass Effects in the Large Limit of $\chiPT$

A. Dobado, J. Morales

We compute the large effective action of the non-linear sigma model including the effect of the pion mass to order . This action is more complex than…

hep-th1994★ 27 cited

The Conformal Group SU(2,2) and Integrable Systems on a Lorentzian Hyperboloid

M. A. del Olmo, M. A. Rodriguez, P. Winternitz

Eleven different types of "maximally superintegrable" Hamiltonian systems on the real hyperboloid are obtained. All of them correspond to a free…

cond-mat1994★ 21 cited

Three-dimensional effects on extended states in disordered models of polymers

Francisco Dominguez-Adame, Enrique Diez, Angel Sanchez

We study electronic transport properties of disordered polymers in the presence of both uncorrelated and short-range correlated impurities. In our procedure, the actual physical po…

cond-mat1994

Exact Solutions of Two-Band Models of Graded-Gap Superlattices

B. Mendez, F. Dominguez-Adame

We have theoretically investigated two-band models of graded-gap superlattices within the envelope-function approximation. Assuming that the gap varies linearly with spatial coordi…

cond-mat1994★ 17 cited

Exciton Optical Absorption in Self-Similar Aperiodic Lattices

E. Macia, F. Dominguez-Adame

Exciton optical absorption in self-similar aperiodic one-dimensional systems is considered, focusing our attention on Thue-Morse and Fibonacci lattices as canonical examples. The a…

cond-mat1994★ 10 cited

Excitation decay in one-dimensional disordered systems with paired traps

Angel Sanchez, Francisco Dominguez-Adame, Enrique Macia

Incoherent transport of excitations in one-dimensional disordered lattices with pairs of traps placed at random is studied by numerically solving the corresponding master equation.…

hep-ph1994★ 56 cited

Inflatonless inflation

A. Dobado, A. Lopez

Whichever could be the real theory of gravitation, the corresponding low-energy effective lagrangian will probably contain higher derivative terms. In this work we study the genera…

comp-gas1994★ 68 cited

Theoretical approach to two-dimensional traffic flow models

J. M. Molera, F. C. Martinez, J. A. Cuesta +1

In this paper we present a theoretical analysis of a recently proposed two-dimensional Cellular Automata model for traffic flow in cities with the novel ingredient of turning capab…

cond-mat1994★ 54 cited

Absence of localization and large dc conductance in random superlattices with correlated disorder

Enrique Diez, Angel Sanchez, Francisco Dominguez-Adame

We study how the influence of structural correlations in disordered systems manifests itself in experimentally measurable magnitudes, focusing on dc conductance of semiconductor su…

hep-lat1994★ 5 cited

A Proposal of a Renormalization Group Transformation for Lattice Field Theories

L. A. Fernandez, Munoz Sudupe, J. J. Ruiz-Lorenzo +1

We propose a new Real Space Renormalization Group transformation useful for Monte Carlo calculations in theories with global or local symmetries. From relaxation arguments we defin…

cond-mat1994★ 28 cited

Energy spectra of quasiperiodic systems via information entropy

Enrique Macia, Francisco Dominguez-Adame, Angel Sanchez

We study the relationship between the electronic spectrum structure and the configurational order of one-dimensional quasiperiodic systems. We take the Fibonacci case as an specifi…

cond-mat1994★ 11 cited

Optical absorption in paired correlated random lattices

Francisco Dominguez-Adame, Enrique Macia, Angel Sanchez

Optical absorption in a random one-dimensional lattice in the presence of paired correlated disorder is studied. The absorption line shape is evaluated by solving the microscopic e…