Moduli stabilization with positive vacuum energy

  title={Moduli stabilization with positive vacuum energy},
  author={Emilian Dudas and Y. Mambrini},
We study the effect of anomalous U(1) gauge groups in string theory compactification with fluxes. We find that, in a gauge invariant formulation, consistent AdS vacua appear breaking spontaneously supergravity. Non vanishing D-terms from the anomalous symmetry act as an uplifting potential and could allow for de Sitter vacua. However, we show that in this case the gravitino is generically (but not always) much heavier than the electroweak scale. We show that alternative uplifting scheme based… CONTINUE READING
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