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  "authors": [
    {
      "affiliations": [
        {
          "country": "Israel", 
          "value": "The Racah Institute of Physics, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem, 91904, Israel", 
          "organization": "The Hebrew University of Jerusalem"
        }
      ], 
      "surname": "Dey", 
      "email": "anshuman.dey@mail.huji.ac.il", 
      "full_name": "Dey, Anshuman", 
      "given_names": "Anshuman"
    }, 
    {
      "affiliations": [
        {
          "country": "Israel", 
          "value": "The Racah Institute of Physics, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem, 91904, Israel", 
          "organization": "The Hebrew University of Jerusalem"
        }
      ], 
      "surname": "Fortinsky", 
      "email": "aryeh.fortinsky@mail.huji.ac.il", 
      "full_name": "Fortinsky, Aryeh", 
      "given_names": "Aryeh"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "Perturbative renormalization of the   <math> <mi>T</mi> <mover> <mi>T</mi> <mo>\u00af</mo> </mover> </math>  $$ \\mathrm{T}\\overline{\\mathrm{T}} $$ -deformed free massive Dirac fermion"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP12(2021)200"
    }
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  "publication_info": [
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      "page_end": "62", 
      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2021", 
      "artid": "JHEP12(2021)200", 
      "year": 2021, 
      "page_start": "1", 
      "journal_issue": "12"
    }
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    "submission_number": "e4e6930c688911ecbc4196e84b9c3210"
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  "page_nr": [
    62
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  "license": [
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      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
    }
  ], 
  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2021"
    }
  ], 
  "control_number": "66887", 
  "record_creation_date": "2021-12-29T09:30:29.466493", 
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      "primary": "Journal of High Energy Physics"
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  "arxiv_eprints": [
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      "categories": [
        "hep-th"
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      "value": "2109.10525"
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  ], 
  "abstracts": [
    {
      "source": "Springer", 
      "value": "In this paper we explicitly carry out the perturbative renormalization of the   <math> <mi>T</mi> <mover> <mi>T</mi> <mo>\u00af</mo> </mover> </math>  $$ T\\overline{T} $$ -deformed free massive Dirac fermion in two dimensions up to second order in the coupling constant. This is done by computing the two-to-two S-matrix using the LSZ reduction formula and canceling out the divergences by introducing counterterms. We demonstrate that the renormalized Lagrangian is unambiguously determined by demanding that it gives the correct S-matrix of a   <math> <mi>T</mi> <mover> <mi>T</mi> <mo>\u00af</mo> </mover> </math>  $$ T\\overline{T} $$ -deformed integrable field theory. Remarkably, the renormalized Lagrangian is qualitatively very different from its classical counterpart."
    }
  ], 
  "imprints": [
    {
      "date": "2021-12-28", 
      "publisher": "Springer"
    }
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}