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@ARTICLE{Barrat:582303,
      author       = {Barrat, Julien and Liendo, Pedro and van Vliet, Philine},
      title        = {{L}ine defect correlators in fermionic {CFT}s},
      reportid     = {PUBDB-2023-01928, DESY-23-055. arXiv:2304.13588.
                      HU-EP-23/10-RTG},
      year         = {2023},
      note         = {44 pages, ancillary Mathematica notebook},
      abstract     = {Scalar-fermion models, such as the Gross-Neveu-Yukawa
                      model, admit natural $1d$ defects given by the exponential
                      of a scalar field integrated along a straight line. In
                      $4-\varepsilon$ dimensions the defect coupling is weakly
                      relevant and the setup defines a non-trivial interacting
                      defect CFT. In this work we study correlation functions on
                      these defect CFTs to order $\varepsilon$. We focus on $1d$
                      correlators constrained to the line, which include canonical
                      operators like the displacement and the one-dimensional
                      analog of the spin field. These results give access to
                      perturbative CFT data that can be used as input in the
                      numerical bootstrap. We also consider local operators
                      outside the line, in particular two-point functions of
                      scalars whose dynamics are non-trivial due to the presence
                      of the defect.},
      keywords     = {field theory, conformal (INSPIRE) / operator, local
                      (INSPIRE) / two-point function, scalar (INSPIRE) /
                      dimension, 1 (INSPIRE) / field theory, scalar (INSPIRE) /
                      defect (INSPIRE) / correlation function (INSPIRE) /
                      bootstrap (INSPIRE) / spin (INSPIRE)},
      cin          = {T},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / DFG
                      project 400570283 - Das Conformal Bootstrap Programm
                      (400570283)},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)400570283},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2304.13588},
      howpublished = {arXiv:2304.13588},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2304.13588;\%\%$},
      doi          = {10.3204/PUBDB-2023-01928},
      url          = {https://bib-pubdb1.desy.de/record/582303},
}