Physics-informed operator flows and observables
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915928261787648 |
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| author | Ihssen, Friederike Pawlowski, Jan M. |
| author_facet | Ihssen, Friederike Pawlowski, Jan M. |
| contents | We discuss physics-informed renormalisation group flows (PIRGs) for general operators. We show that operator PIRGs provide a comprehensive access to all correlation functions of the quantum field theory under investigation. The operator PIRGs can be seen as a completion of the PIRG-approach, whose qualitative computational simplification and structural insights are now fully accessible for general applications. The potential of this setup is assessed within a simple analytic example of the zero-dimensional $ϕ^4$-theory for which the generating functions of the fundamental field are computed within a vertex expansion, using the one- to ten-point functions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_13011 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Physics-informed operator flows and observables Ihssen, Friederike Pawlowski, Jan M. High Energy Physics - Theory We discuss physics-informed renormalisation group flows (PIRGs) for general operators. We show that operator PIRGs provide a comprehensive access to all correlation functions of the quantum field theory under investigation. The operator PIRGs can be seen as a completion of the PIRG-approach, whose qualitative computational simplification and structural insights are now fully accessible for general applications. The potential of this setup is assessed within a simple analytic example of the zero-dimensional $ϕ^4$-theory for which the generating functions of the fundamental field are computed within a vertex expansion, using the one- to ten-point functions. |
| title | Physics-informed operator flows and observables |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2507.13011 |