Comparison of topology changing update algorithms
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2021
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| _version_ | 1866913733160206336 |
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| author | Eichhorn, Timo Hoelbling, Christian |
| author_facet | Eichhorn, Timo Hoelbling, Christian |
| contents | In modern lattice simulations, conventional update algorithms do not allow for tunneling between topological sectors at fine lattice spacings. We compare the viability of multiple less commonly used algorithms (metadynamics, instanton updates, and multiscale thermalization) with respect to proper sampling of all topological sectors in the Schwinger model. We briefly comment on the prospects of applying these methods to 4-dimensional SU(3) simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2112_05188 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Comparison of topology changing update algorithms Eichhorn, Timo Hoelbling, Christian High Energy Physics - Lattice In modern lattice simulations, conventional update algorithms do not allow for tunneling between topological sectors at fine lattice spacings. We compare the viability of multiple less commonly used algorithms (metadynamics, instanton updates, and multiscale thermalization) with respect to proper sampling of all topological sectors in the Schwinger model. We briefly comment on the prospects of applying these methods to 4-dimensional SU(3) simulations. |
| title | Comparison of topology changing update algorithms |
| topic | High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2112.05188 |