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Asymptotic Freedom and Euclidean Quantum Gravity
Bernd A. Berg, Balasubramanian Krishnan, Mohammad Katoot
Pure SU(2) gauge theory is the simplest asymptotically free theory in four dimensions. To investigate Euclidean quantum gravity effects in a fundamental length scenario, we simulat…
Multimagnetical Simulations
U. Hansmann, B. A. Berg, T. Neuhaus
We modified the recently proposed multicanonical MC algorithm for the case of a magnetic field driven order--order phase transition. We test this {\it multimagnetic} Monte Carlo al…
Multicanonical Ensemble: A New Approach to Simulate First-order Phase Transitions
B. A. Berg, T. Neuhaus
Relying on the recently proposed multicanonical algorithm, we present a numerical simulation of the first order phase transition in the 2d 10-state Potts model on lattices up to si…
Monte Carlo Calculation of the Surface Free Energy for the 2d 7-state Potts Model, and an Estimate for 4d SU(3) Gauge Theory
Wolfhard Janke, Bernd A. Berg, Mohammad Katoot
Using the recently proposed multicanonical ensemble, we perform Monte Carlo simulation for the 2d 7-state Potts model and calculate its surface free energy density (surface tension…