PoS - Proceedings of Science
Volume 256 - 34th annual International Symposium on Lattice Field Theory (LATTICE2016) - Algorithms and Machines
Metadynamics Remedies for Topological Freezing
F. Sanfilippo*, A. Laio and G. Martinelli
Full text: pdf
Pre-published on: January 31, 2017
Published on: March 24, 2017
In this presentation we show that metadynamics, when used to simulate $CP^{N-1}$, allows to address efficiently of freezing of topological charge, to reconstruct the free energy of the topological charge $F(Q)$ and to compute the topological susceptibility as a function of the coupling and of the volume. We discuss possible extensions to QCD.
DOI: https://doi.org/10.22323/1.256.0274
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