# Interpolation of partial and full supersymmetry breakings in $\cal{N} =   2$ supergravity

**Authors:** Hiroyuki Abe, Shuntaro Aoki, Sosuke Imai, Yutaka Sakamura

arXiv: 1901.05679 · 2019-09-04

## TL;DR

This paper presents an $
=2$ supergravity model that smoothly interpolates between full and partial supersymmetry breaking, allowing independent control of breaking scales and exploring implications for particle physics and cosmology.

## Contribution

It introduces a novel $
=2$ supergravity model with multiple vector multiplets and a hypermultiplet, employing the embedding tensor technique to connect different supersymmetry-breaking vacua.

## Key findings

- Identifies conditions for an $
=0$ Minkowski vacuum connected to $
=1$ partial breaking.
- Derives mass spectrum and non-trivial mass relations among fields.
- Demonstrates independent tuning of supersymmetry-breaking scales.

## Abstract

We discuss an $\cal{N}=2$ supergravity model that interpolates the full and the partial supersymmetry breakings. In particular, we find the conditions for an $\cal{N}=0$ Minkowski vacuum, which is continuously connected to the partial-breaking ($\cal{N}=1$ preserving) one. The model contains multiple (Abelian) vector multiplets and a single hypermultiplet, and is constructed by employing the embedding tensor technique. We compute the mass spectrum on the Minkowski vacuum, and find some non-trivial mass relations among the massive fields. Our model allows us to choose the two supersymmetry-breaking scales independently, and to discuss the cascade supersymmetry breaking for the applications to particle phenomenology and cosmology.

## Full text

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## Figures

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## References

51 references — full list in the complete paper: https://tomesphere.com/paper/1901.05679/full.md

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Source: https://tomesphere.com/paper/1901.05679