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          "value": "Center for the Fundamental Laws of Nature, Harvard University, Cambridge, MA, 02138, USA", 
          "organization": "Harvard University"
        }
      ], 
      "surname": "Crawley", 
      "email": "erincrawley@g.harvard.edu", 
      "full_name": "Crawley, Erin", 
      "given_names": "Erin"
    }, 
    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Center for the Fundamental Laws of Nature, Harvard University, Cambridge, MA, 02138, USA", 
          "organization": "Harvard University"
        }
      ], 
      "surname": "Miller", 
      "email": "noahmiller@g.harvard.edu", 
      "full_name": "Miller, Noah", 
      "given_names": "Noah"
    }, 
    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Center for the Fundamental Laws of Nature, Harvard University, Cambridge, MA, 02138, USA", 
          "organization": "Harvard University"
        }
      ], 
      "surname": "Narayanan", 
      "email": "sruthi_narayanan@g.harvard.edu", 
      "full_name": "Narayanan, Sruthi", 
      "given_names": "Sruthi"
    }, 
    {
      "affiliations": [
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          "country": "USA", 
          "value": "Center for the Fundamental Laws of Nature, Harvard University, Cambridge, MA, 02138, USA", 
          "organization": "Harvard University"
        }
      ], 
      "surname": "Strominger", 
      "email": "strominger@physics.harvard.edu", 
      "full_name": "Strominger, Andrew", 
      "given_names": "Andrew"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "State-operator correspondence in celestial conformal field theory"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP09(2021)132"
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      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2021", 
      "artid": "JHEP09(2021)132", 
      "year": 2021, 
      "page_start": "1", 
      "journal_issue": "9"
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    "submission_number": "b5593574671011ecbc4196e84b9c3210"
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    {
      "holder": "The Author(s)", 
      "year": "2021"
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  "record_creation_date": "2021-09-22T06:30:25.797531", 
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      "value": "2105.00331"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "The bulk-to-boundary dictionary for 4D celestial holography is given a new entry defining 2D boundary states living on oriented circles on the celestial sphere. The states are constructed using the 2D CFT state-operator correspondence from operator insertions corresponding to either incoming or outgoing particles which cross the celestial sphere inside the circle. The BPZ construction is applied to give an inner product on such states whose associated bulk adjoints are shown to involve a shadow transform. Scattering amplitudes are then given by BPZ inner products between states living on the same circle but with opposite orientations. 2D boundary states are found to encode the same information as their 4D bulk counterparts, but organized in a radically different manner."
    }
  ], 
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      "date": "2021-09-21", 
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