Deutsch
Burch, Tommy and Gattringer, Christof and Glozman, Leonid Ya. and Hagen, Christian and Lang, C. B. (2006) Variational method for lattice spectroscopy with ghosts. Physical Review D 73, 017502.
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Abstract
We discuss the variational method used in lattice spectroscopy calculations. In particular we address the role of ghost contributions which appear in quenched or partially quenched simulations and have a non-standard euclidean time dependence. We show that the ghosts can be separated from the physical states. Our result is illustrated with numerical data for the scalar meson.
| Item Type: | Article | ||||||
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| Institutions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer | ||||||
| Projects: | Forschergruppe Gitter-Hadronen-Phänomenologie | ||||||
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| Subjects: | 500 Science > 530 Physics | ||||||
| Status: | Published | ||||||
| Refereed: | Yes, this version has been refereed | ||||||
| Created at the University of Regensburg: | Yes | ||||||
| Owner: | Redakteur Physik | ||||||
| Deposited On: | 20 Mar 2007 | ||||||
| Last Modified: | 20 Jul 2011 23:01 | ||||||
| Item ID: | 1774 |
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