de Sitter vacuum from<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>R</mml:mi><mml:mn>2</mml:mn></mml:msup></mml:math>supergravity

書誌事項

公開日
2015-11-19
資源種別
journal article
権利情報
  • http://link.aps.org/licenses/aps-default-license
DOI
  • 10.1103/physrevd.92.105027
  • 10.48550/arxiv.1509.04987
公開者
American Physical Society (APS)

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説明

We propose a supergravity model with a constrained curvature multiplet, which realizes the Starobinsky inflation and the de Sitter vacuum in the present universe simultaneously. Surprisingly, at the vacuum, the soft supersymmetry breaking scale for minimal supersymmetric standard model sector becomes the TeV scale, however, the gravitino mass scale becomes much higher than that of soft supersymmetry breaking. Such a hierarchical structure, which naturally avoids the gravitino problem, appears without introducing a new scale other than inflation scale.

5pages, v2: typos corrected, title changed, version published in PRD

収録刊行物

  • Physical Review D

    Physical Review D 92 (10), 2015-11-19

    American Physical Society (APS)

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