8 papers
The Quest for Light Sea Quarks: Algorithms for the Future
W. Schroers, N. Eicker, M. D'Elia +7
As part of a systematic algorithm study, we present first results on a performance comparison between a multibosonic algorithm and the hybrid Monte Carlo algorithm as employed by t…
The interaction between center monopoles in SU(2) Yang-Mills
Ph. de Forcrand, M. D'Elia, M. Pepe
We study the potential between a static center monopole and antimonopole in 4d SU(2) Yang-Mills theory. Using a new numerical method, we show that the 't Hooft loop is a dual order…
A study of the 't Hooft loop in SU(2) Yang-Mills theory
Ph. de Forcrand, M. D'Elia, M. Pepe
We study the behaviour of the spatial and temporal 't Hooft loop at zero and finite temperature in the 4D SU(2) Yang-Mills theory, using a new numerical method. In the deconfined p…
The Role of Center Vortices in QCD
C. Alexandrou, Ph. de Forcrand, M. D'Elia
Center vortices are unambiguously identified after Laplacian Center Gauge fixing and their influence on confinement and chiral symmetry breaking is investigated on a sample of SU(2…
Improved Multiboson Algorithm
C. Alexandrou, Ph. de Forcrand, M. D'Elia +1
We compare the performance of an UV-filtered Multiboson algorithm, including a global quasi-heatbath update, to the standard Hybrid Monte Carlo algorithm in full QCD with two flavo…
The relevance of center vortices
C. Alexandrou, M. D'Elia, Ph. de Forcrand
We show remnants of chiral symmetry breaking in the center-projected theory. We construct and study an unambiguous definition of center vortices.