Journal article 1037 views
Spectral functions, maximum entropy method and unconventional methods in lattice field theory
Nuclear Physics B - Proceedings Supplements, Volume: 109, Issue: 1, Pages: 192 - 196
Swansea University Author:
Chris Allton
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DOI (Published version): 10.1016/S0920-5632(02)01414-7
Abstract
We present two unconventional methods of extracting information from hadronic 2-point functions produced by Monte Carlo simulations. The first is an extension of earlier work by Leinweber which combines a QCD Sum Rule approach with lattice data. The second uses the Maximum Entropy Method to invert t...
| Published in: | Nuclear Physics B - Proceedings Supplements |
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| ISSN: | 09205632 |
| Published: |
2002
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa28436 |
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| Abstract: |
We present two unconventional methods of extracting information from hadronic 2-point functions produced by Monte Carlo simulations. The first is an extension of earlier work by Leinweber which combines a QCD Sum Rule approach with lattice data. The second uses the Maximum Entropy Method to invert the 2-point data to obtain estimates of the spectral function. The first approach is applied to QCD data, and the second method is applied to the Nambu--Jona-Lasinio model in (2+1)D. Both methods promise to augment the current approach where physical quantities are extracted by fitting to pure exponentials. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
1 |
| Start Page: |
192 |
| End Page: |
196 |