The Fredenhagen-Marcu operator in the gauge-Higgs Z(2) LGT at finite temperature
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909925689524224 |
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| author | Allés, B. Borisenko, O. Chelnokov, V. Papa, A. |
| author_facet | Allés, B. Borisenko, O. Chelnokov, V. Papa, A. |
| contents | We explore the possibility to use the Fredenhagen-Marcu operator as an order parameter of the deconfinement phase transition in gauge-matter systems at finite temperature. Concretely, we compute by numerical simulations this operator in the (2+1)-dimensional Z(2) lattice gauge theory (LGT) with Z(2) gauge fields coupled to Z(2)-valued Higgs fields. Our conclusion is that the Fredenhagen-Marcu operator can indeed serve as an order parameter capable of distinguishing the deconfinement phase from the Higgs and confinement phases of the theory. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2511_21166 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Fredenhagen-Marcu operator in the gauge-Higgs Z(2) LGT at finite temperature Allés, B. Borisenko, O. Chelnokov, V. Papa, A. High Energy Physics - Lattice High Energy Physics - Theory We explore the possibility to use the Fredenhagen-Marcu operator as an order parameter of the deconfinement phase transition in gauge-matter systems at finite temperature. Concretely, we compute by numerical simulations this operator in the (2+1)-dimensional Z(2) lattice gauge theory (LGT) with Z(2) gauge fields coupled to Z(2)-valued Higgs fields. Our conclusion is that the Fredenhagen-Marcu operator can indeed serve as an order parameter capable of distinguishing the deconfinement phase from the Higgs and confinement phases of the theory. |
| title | The Fredenhagen-Marcu operator in the gauge-Higgs Z(2) LGT at finite temperature |
| topic | High Energy Physics - Lattice High Energy Physics - Theory |
| url | https://arxiv.org/abs/2511.21166 |