A local evaluation of global issues in SUSY breaking

Alwis, S.P. de

doi:10.1007/jhep01(2013)190

Cited by 2 publications

(3 citation statements)

References 17 publications

(33 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…We note that this is the limit even when W/M P = finite, which is another possible limit [42] for gauge mediated SUSY breaking scenarios. The fact that these supergravity superfields should vanish can be also understood from the algebra of supergravity when compared to supersymmetry.…”

Section: Supercurrent and Sgoldstino Decouplingmentioning

confidence: 82%

See 1 more Smart Citation

Decoupling limits of sgoldstino modes in global and local supersymmetry

Farakos

Kehagias

2013

Physics Letters B

View full text Add to dashboard Cite

We study the decoupling limit of a superheavy sgoldstino field in spontaneously broken N = 1 supergravity. Our approach is based on Kähler superspace, which, among others, allows direct formulation of N = 1 supergravity in the Einstein frame and correct identifications of mass parameters. Allowing for a non-renormalizable Kähler potential in the hidden sector, the decoupling limit of a superheavy sgoldstino is identified with an infinite negative Kähler curvature. Constraints that lead to non-linear realizations of supersymmetry emerge as consequence of the equations of motion of the goldstino superfield when considering the decoupling limit. Finally, by employing superspace Bianchi identities, we identify the real chiral superfield, which will be the superconformal symmetry breaking chiral superfield that enters the conservation of the Ferrra-Zumino multiplet in the field theory limit of N = 1 supergravity.

show abstract

Section: Supercurrent and Sgoldstino Decouplingmentioning

confidence: 82%

“…Therefore, at low energies, supersymmetry is spontaneous broken and after decoupling the sgoldstino (by making the latter superheavy) we are left with only the goldstino in the spectrum and a non-linear realised SUSY. In the case of local supersymmetry, non-linear realizations are less studied in the supergravity context [11,42,43].…”

Section: Introductionmentioning

confidence: 99%

Decoupling limits of sgoldstino modes in global and local supersymmetry

Farakos

Kehagias

2013

Physics Letters B

View full text Add to dashboard Cite

show abstract

“…Let us have ζ = 8, γ = 1. Our method to find the global model around the second SUSY-breaking vacuum is to expand the Kähler potential and superpotential in powers of M P as proposed for the similar case in [57], even though alternative decoupling limits exist [69]. To expand around the second vacuum we set…”

Section: 1mentioning

confidence: 99%

Supersymmetry breaking and inflation from higher curvature supergravity

Dalianis

Farakos

Kehagias

et al. 2015

J. High Energ. Phys.

View full text Add to dashboard Cite

Abstract:The generic embedding of the R+R 2 higher curvature theory into old-minimal supergravity leads to models with rich vacuum structure in addition to its well-known inflationary properties. When the model enjoys an exact R-symmetry, there is an inflationary phase with a single supersymmetric Minkowski vacuum. This appears to be a special case of a more generic set-up, which in principle may include R-symmetry violating terms which are still of pure supergravity origin. By including the latter terms, we find new supersymmetry breaking vacua compatible with single-field inflationary trajectories. We discuss explicitly two such models and we illustrate how the inflaton is driven towards the supersymmetry breaking vacuum after the inflationary phase. In these models the gravitino mass is of the same order as the inflaton mass. Therefore, pure higher curvature supergravity may not only accommodate the proper inflaton field, but it may also provide the appropriate hidden sector for supersymmetry breaking after inflation has ended.

show abstract

A local evaluation of global issues in SUSY breaking

Cited by 2 publications

References 17 publications

Decoupling limits of sgoldstino modes in global and local supersymmetry

Decoupling limits of sgoldstino modes in global and local supersymmetry

Supersymmetry breaking and inflation from higher curvature supergravity

Contact Info

Product

Resources

About