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The Phase Structure of Strings with Extrinsic Curvature
Mark Bowick, Paul Coddington, Leping Han +2
We examine a model of non-self-avoiding, fluctuating surfaces as a candidate continuum string theory of surfaces in three dimensions. This model describes Dynamically Triangulated…
Strings with Extrinsic Curvature: An Analysis of the Crossover Regime
Mark Bowick, Paul Coddington, Leping Han +2
We present the results of a set of Monte Carlo simulations of Dynamically Triangulated Random Surfaces embedded in three dimensions with an extrinsic curvature dependent action. We…
The String Tension in Gauge Theories: a Suggestion for a New Measurement Method
E. Marinari, M. L. Paciello, G. Parisi +1
We discuss a new method for testing confinement and measuring the string tension (in the Coulomb gauge). Our numerical simulations demonstrate that the problems related to Gribov c…
4d Simplicial Quantum Gravity with a Non-Trivial Measure
Bernd Bruegmann, E. Marinari
We study 4d simplicial quantum gravity in the dynamical triangulation approach with a non-trivial class of measures. We find that the measure contribution plays an important role,…
The Phase Diagram of Fluid Random Surfaces with Extrinsic Curvature
Mark Bowick, Paul Coddington, Leping Han +2
We present the results of a large-scale simulation of a Dynamically Triangulated Random Surface with extrinsic curvature embedded in three-dimensional flat space. We measure a vari…
Non-Exponential Relaxation Time Scales in Disordered Systems: an Application to Protein Dynamics
G. Iori, E. Marinari, G. Parisi
We study the dynamics of an heteropolymeric chain relaxing toward a new equilibrium configuration after the action of an external perturbation. We compare the results from Monte Ca…
On Heteropolymer Shape Dynamics
Pawel Pliszka, Enzo Marinari
We investigate the time evolution of the heteropolymer model introduced by Iori, Marinari and Parisi to describe some of the features of protein folding mechanisms. We study how th…
Simulated Tempering: A New Monte Carlo Scheme
Enzo Marinari, Giorgio Parisi
We propose a new global optimization method ({\em Simulated Tempering}) for simulating effectively a system with a rough free energy landscape (i.e. many coexisting states) at fini…