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          "value": "Stanford Institute for Theoretical Physics and Department of Physics, Stanford University, Stanford, CA, 94305, USA", 
          "organization": "Stanford University"
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      "surname": "Kallosh", 
      "email": "kallosh@stanford.edu", 
      "full_name": "Kallosh, Renata", 
      "given_names": "Renata"
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  "titles": [
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      "source": "Springer", 
      "title": "Ward identities for superamplitudes"
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  "dois": [
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      "value": "10.1007/JHEP06(2024)035"
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      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2024", 
      "artid": "JHEP06(2024)035", 
      "year": 2024, 
      "page_start": "1", 
      "journal_issue": "6"
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    {
      "holder": "The Author(s)", 
      "year": "2024"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "We introduce Ward identities for superamplitudes in D-dimensional   <math> <mi>N</mi> </math>  $$ \\mathcal{N} $$ -extended supergravities. These identities help to clarify the relation between linearized superinvariants and superamplitudes. The solutions of these Ward identities for an n-partice superamplitude take a simple universal form for half BPS and non-BPS amplitudes. These solutions involve arbitrary functions of spinor helicity and Grassmann variables for each of the n superparticles. The dimension of these functions at a given loop order is exactly the same as the dimension of the relevant superspace Lagrangians depending on half-BPS or non-BPS superfields, given by (D \u2212 2)L + 2 \u2212   <math> <mi>N</mi> </math>  $$ \\mathcal{N} $$  or (D \u2212 2)L + 2 \u2212   <math> <mn>2</mn> <mi>N</mi> </math>  $$ 2\\mathcal{N} $$ , respectively. This explains why soft limits predictions from superamplitudes and from superspace linearized superinvariants agree."
    }
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