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Dynamics in Hamiltonian Lattice Gauge Theory: Approaching the Continuum Limit with Partitionings of SU$(2)$

Authors :
Jakobs, Timo
Garofalo, Marco
Hartung, Tobias
Jansen, Karl
Ostmeyer, Johann
Romiti, Simone
Urbach, Carsten
Publication Year :
2025

Abstract

In this paper, we investigate a digitised SU$(2)$ lattice gauge theory in the Hamiltonian formalism. We use partitionings to digitise the gauge degrees of freedom and show how to define a penalty term based on finite element methods to project onto physical states of the system. Moreover, we show for a single plaquette system that in this framework the limit $g\to0$ can be approached at constant cost.

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.2503.03397
Document Type :
Working Paper