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| Main Authors: | , |
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| Format: | Preprint |
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2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2412.14532 |
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| _version_ | 1866912161252507648 |
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| author | Nguyen, Mendel Ünsal, Mithat |
| author_facet | Nguyen, Mendel Ünsal, Mithat |
| contents | We consider a class of 3d theories with a $\mathbb Z_n$ magnetic symmetry in which confinement is generated by charge $n$ clusters of monopoles. Such theories naturally arise in quantum antiferromagnets in 2+1, QCD-like theories on $\mathbb R^3 \times S^1$, and $U(1)$ lattice theory with restricted monopole sums. A confining string fractionates into $n$ strings which each carry $1/n$ electric flux. We construct a twisted compactification (equivalently periodic compactification with a topological defect insertion) on $\mathbb R^2 \times S^1$ that preserves the vacuum structure. Despite the absence of electric degrees of freedom in the microscopic Lagrangian, we show that large Wilson loops are completely/partially screened for even/odd $n$, even when the compactification scale is much larger than the Debye length. We show the emergence of fractional electric charges $(\pm 2/n)$ at the junctions of the domain lines and topological defects. We end with some remarks on screening vs. confinement. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_14532 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Fractionalization of flux tubes in 3d and screening by emergent electric charges in 2d Nguyen, Mendel Ünsal, Mithat High Energy Physics - Theory We consider a class of 3d theories with a $\mathbb Z_n$ magnetic symmetry in which confinement is generated by charge $n$ clusters of monopoles. Such theories naturally arise in quantum antiferromagnets in 2+1, QCD-like theories on $\mathbb R^3 \times S^1$, and $U(1)$ lattice theory with restricted monopole sums. A confining string fractionates into $n$ strings which each carry $1/n$ electric flux. We construct a twisted compactification (equivalently periodic compactification with a topological defect insertion) on $\mathbb R^2 \times S^1$ that preserves the vacuum structure. Despite the absence of electric degrees of freedom in the microscopic Lagrangian, we show that large Wilson loops are completely/partially screened for even/odd $n$, even when the compactification scale is much larger than the Debye length. We show the emergence of fractional electric charges $(\pm 2/n)$ at the junctions of the domain lines and topological defects. We end with some remarks on screening vs. confinement. |
| title | Fractionalization of flux tubes in 3d and screening by emergent electric charges in 2d |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2412.14532 |