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13 papers · 1 filter
From Perturbation Theory to Confinement: How the String Tension is built up
Margarita Garcia Perez, Antonio Gonzalez-Arroyo, Pablo Martinez
We study the spatial volume dependence of electric flux energies for SU(2) Yang-Mills fields on the torus with twisted boundary conditions. The results approach smoothly the rotati…
On the top of the energy barrier. Margarita Garcia Perez
Antonio Gonzalez-Arroyo, Jeroen Snippe, Pierre van Baal
We present results related to the search of SU(2) instantons on a geometry obtained using over-improved cooling with fixed boundary conditions. We also introd…
Random-Matrix Theory of Parametric Correlations in the Spectra of Disordered Metals and Chaotic Billiards
C. W. J. Beenakker, B. Rejaei
We study the response to an external perturbation of the energy levels of a disordered metallic particle, by means of the Brownian-motion model introduced by Dyson in the theory of…
Universality of Weak Localization in Disordered Wires
C. W. J. Beenakker
We compute the quantum correction due to weak localization for transport properties of disordered quasi-one-dimensional conductors, by integrating the Dorokhov-Mello-Pereyra-Kumar…
Exact Solution for the Distribution of Transmission Eigenvalues in a Disordered Wire and Comparison with Random-Matrix Theory
C. W. J. Beenakker, B. Rejaei
An exact solution is presented of the Fokker-Planck equation which governs the evolution of an ensemble of disordered metal wires of increasing length, in a magnetic field. By a ma…
Pressure and density of vacancies in solid He
Dirk Jan Bukman, J. M. J. van Leeuwen
Crystals of He contain vacancies that move around by a quantum mechanical hopping process. The density and pressure of these vacancies can be experimentally studied. The accura…