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148 papers · 1 filter
A stable hierarchy from Casimir forces and the holographic interpretation
Jaume Garriga, Alex Pomarol
We show that in the Randall-Sundrum model the Casimir energy of bulk gauge fields (or any of their supersymmetric relatives) has contributions that depend logarithmically on the ra…
Systematic Analysis of Majorization in Quantum Algorithms
Roman Orus, Jose I. Latorre, Miguel A. Martin-Delgado
Motivated by the need to uncover some underlying mathematical structure of optimal quantum computation, we carry out a systematic analysis of a wide variety of quantum algorithms f…
Z_2-gradings of Clifford algebras and multivector structures
Ricardo A. Mosna, David Miralles, Jayme Vaz
Let Cl(V,g) be the real Clifford algebra associated to the real vector space V, endowed with a nondegenerate metric g. In this paper, we study the class of Z_2-gradings of Cl(V,g)…
Lagrangian-Hamiltonian unified formalism for field theory
A. Echeverría-Enríquez, C. López, J. Marín-Solano +2
The Rusk-Skinner formalism was developed in order to give a geometrical unified formalism for describing mechanical systems. It incorporates all the characteristics of Lagrangian a…
Many Triangulated 3-Spheres
Julian Pfeifle, Günter M. Ziegler
We construct 2^{Ω(n^{5/4})} combinatorial types of triangulated 3-spheres on n vertices. Since by a result of Goodman and Pollack (1986) there are no more than 2^{O(n log n)} combi…
Slow dynamics in a 2D Ising model with competing interactions
P. M. Gleiser, F. A. Tamarit, S. A. Cannas +1
The far-from-equilibrium low-temperature dynamics of ultra-thin magnetic films is analyzed by using Monte Carlo numerical simulations on a two dimensional Ising model with competin…