Gavai, R. V. ; Gocksch, A. ; Heller, U. M. (1987) On assessing the merits and the shortcomings of the pseudofermion method Nuclear Physics - Section B: Particle Physics, Field Theory and Statistical Systems, Physical Mathematics, 283 . pp. 381-392. ISSN 0550-3213
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/055032...
Related URL: http://dx.doi.org/10.1016/0550-3213(87)90279-3
Abstract
Employing a fermion algorithm that incorporates the fermion determinant exactly, we obtain a variety of physical observables for four flavors of staggered fermions of mass ma = 0.05 and 0.1 on a 44 lattice. Our results should be valuable in testing other approximate but more efficient algorithms. As an example,, we compare the pseudofermion method with the exact algorithm. While a quantitatively good agreement obtained previously for ma = 0.1 is confirmed by our more detailed analysis, the method seems neither efficient nor accurate at the lower mass of 0.05.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 13913 |
| Deposited On: | 12 Nov 2010 14:29 |
| Last Modified: | 01 Jun 2011 16:59 |
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