PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Poster
LapH interpolating fields with open boundary conditions
O. Francesconi*, M. Della Morte and J.T. Tsang
Full text: pdf
Pre-published on: January 05, 2023
Published on: April 06, 2023
The stochastic Laplacian Heaviside (LapH) method has proven to be successful in hadronic calculations. In this work, with charm--light spectroscopy in mind, we set up and optimise the LapH procedure limiting ourselves to the evaluation of two--point mesonic correlation functions. The calculations are performed on CLS ensembles with $N_f=2+1$ Wilson-Clover fermions on a $32^3\times64$ lattice with open boundary conditions. We analyse the interplay between the LapH parameters and the boundary effects, and implement a fitting procedure to isolate excitations coming from the border.
DOI: https://doi.org/10.22323/1.430.0260
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