Publications
Publication Information
| Title | A novel nonperturbative renormalization scheme for local operators |
| Authors | Anna Hasenfratz, Christopher Monahan, Matthew Rizik, Andrea Shindler, Oliver Witzel |
| JLAB number | JLAB-THY-22-3466 |
| LANL number | arXiv:2201.09740 |
| Other number | DOE/OR/23177-5403, SI-HEP-2022-01 |
| Document Type(s) | (Meeting) |
| Associated with EIC: | No |
| Supported by Jefferson Lab LDRD Funding: | No |
| Funding Source: | Nuclear Physics (NP) |
|
Meeting Paper compiled for Lattice2021 Proceedings 38th International Symposium on Lattice Field Theory (Lattice 2021) Edited By Proceedings of Science (2022) Refereed Page(s) 155 | |
| Publication Abstract: | The gradient flow exponentially suppresses ultraviolet field fluctuations and removes ultraviolet divergences (up to a multiplicative fermionic wavefunction renormalization). It can be used to describe real-space Wilsonian renormalization group transformations and determine the corresponding beta function. We propose a new nonperturbative renormalization scheme for local composite fermionic operators that uses the gradient flow and is amenable to lattice QCD calculations. We present preliminary nonperturbative results for the running of quark bilinear operators in this scheme and outline the calculation of perturbative matching to the MS-bar scheme. |
| Experiment Numbers: | other |
| Group: | THEORY CENTER |
| Document: | |
| DOI: | https://doi.org/10.22323/1.396.0155 |
| Accepted Manuscript: | 2201.09740.pdf |
| Supporting Documents: | |
| Supporting Datasets: | |