We propose to replace ordinary propagators in lattice operator correlations entering the determination of hadron masses with space-time smeared propagators. These are defined as the inverse of the quadratic operator in the fermion action times its hermitian conjugate. We obtain a cleaner determination of hadron masses, comparable to the effect of using smeared operators.
DE DIVITIIS, G.m., Frezzotti, R., Guagnelli, M., Masetti, M., Petronzio, R. (1995). Smeared propagators for lattice hadron spectroscopy. PHYSICS LETTERS. SECTION B, 353, 274-278 [doi:10.1016/0370-2693(95)00575-6].
Smeared propagators for lattice hadron spectroscopy
DE DIVITIIS, GIULIA MARIA;FREZZOTTI, ROBERTO;PETRONZIO, ROBERTO
1995-01-01
Abstract
We propose to replace ordinary propagators in lattice operator correlations entering the determination of hadron masses with space-time smeared propagators. These are defined as the inverse of the quadratic operator in the fermion action times its hermitian conjugate. We obtain a cleaner determination of hadron masses, comparable to the effect of using smeared operators.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
