Chiral gauge theory at the boundary between topological phases
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866916159392055296 |
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| author | Kaplan, David B. |
| author_facet | Kaplan, David B. |
| contents | I demonstrate how chiral fermions with an exact gauge symmetry can appear on the d-dimensional boundary of a finite volume (d+1)-dimensional manifold, without any light mirror partners. The condition for the d-dimensional boundary theory to be local is that gauge anomalies cancel and that the volume be large. This can likely be achieved on a lattice and provides a new paradigm for the lattice regularization of chiral gauge theories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_01494 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Chiral gauge theory at the boundary between topological phases Kaplan, David B. High Energy Physics - Lattice Strongly Correlated Electrons High Energy Physics - Theory I demonstrate how chiral fermions with an exact gauge symmetry can appear on the d-dimensional boundary of a finite volume (d+1)-dimensional manifold, without any light mirror partners. The condition for the d-dimensional boundary theory to be local is that gauge anomalies cancel and that the volume be large. This can likely be achieved on a lattice and provides a new paradigm for the lattice regularization of chiral gauge theories. |
| title | Chiral gauge theory at the boundary between topological phases |
| topic | High Energy Physics - Lattice Strongly Correlated Electrons High Energy Physics - Theory |
| url | https://arxiv.org/abs/2312.01494 |