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  "authors": [
    {
      "affiliations": [
        {
          "country": "India", 
          "value": "International Centre for Theoretical Sciences-TIFR, Shivakote, Bengaluru, 560089, India", 
          "organization": "International Centre for Theoretical Sciences-TIFR"
        }
      ], 
      "surname": "Prabhakar", 
      "email": "naveen.s.prabhakar@gmail.com", 
      "full_name": "Prabhakar, Naveen", 
      "given_names": "Naveen"
    }, 
    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "C.N. Yang Institute of Theoretical Physics, Stony Brook University, Stony Brook, NY, 11794-3840, USA", 
          "organization": "Stony Brook University"
        }
      ], 
      "surname": "Ro\u010dek", 
      "email": "martin.rocek@stonybrook.edu", 
      "full_name": "Ro\u010dek, Martin", 
      "given_names": "Martin"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "(0, 4) Projective superspaces. Part I. Interacting linear sigma models"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP07(2023)117"
    }
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      "page_end": "50", 
      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2023", 
      "artid": "JHEP07(2023)117", 
      "year": 2023, 
      "page_start": "1", 
      "journal_issue": "7"
    }
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    "source": "Springer", 
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    "submission_number": "7734084a720411eea066664922b6a1d4"
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      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
    }
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  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2023"
    }
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  "control_number": "78982", 
  "record_creation_date": "2023-07-14T18:30:08.955378", 
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  "collections": [
    {
      "primary": "Journal of High Energy Physics"
    }
  ], 
  "arxiv_eprints": [
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      "categories": [
        "hep-th", 
        "math-ph", 
        "math.MP"
      ], 
      "value": "2303.14675"
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  ], 
  "abstracts": [
    {
      "source": "Springer", 
      "value": "We describe the projective superspace approach to supersymmetric models with off-shell (0, 4) supersymmetry in two dimensions. In addition to the usual superspace coordinates, projective superspace has extra bosonic variables \u2014 one doublet for each SU(2) in the R-symmetry SU(2) \u00d7 SU(2) which are interpreted as homogeneous coordinates on CP 1 \u00d7 CP 1. The superfields are analytic in the CP 1 coordinates and this analyticity plays an important role in our description. For instance, it leads to stringent constraints on the interactions one can write down for a given superfield content of the model. As an example, we describe in projective superspace Witten\u2019s ADHM sigma model \u2014 a linear sigma model with non-derivative interactions whose target is R 4 with a Yang-Mills instanton solution. The hyperk\u00e4hler nature of target space and the twistor description of instantons by Ward, and Atiyah, Hitchin, Drinfeld and Manin are natural outputs of our construction."
    }
  ], 
  "imprints": [
    {
      "date": "2023-07-13", 
      "publisher": "Springer"
    }
  ]
}