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OBSERVABLES IN LOW-ENERGY SUPERSTRING MODELS

- J. Ellis, K. Enqvist, D. Nanopoulos, F. Zwirner
- Physics
- 1986

We compile phenomenological constraints on the minimal low-energy effective theory which can be obtained from the superstring by Calabi-Yau compactification. Mixing with the single additional neutral… Expand

MSSM flat direction inflation : slow roll, stability, fine tuning and reheating.

- R. Allahverdi, K. Enqvist, J. García-Bellido, A. Jokinen, A. Mazumdar
- Physics
- 11 October 2006

We consider low scale slow roll inflation driven by the gauge-invariant flat directions udd and LLe of the minimally supersymmetric standard model at the vicinity of a saddle point of the scalar… Expand

Expression of Interest for a very long baseline neutrino oscillation experiment (LBNO)

- A. Stahl, R. P. Litchfield, +221 authors A. Ariga
- Physics
- 24 June 2012

This Expression of Interest (EoI) describes the motivation for and the feasibility studies of a long baseline neutrino oscillation experiment (LBNO) with a new conventional neutrino beamline facility… Expand

Lemaitre–Tolman–Bondi model and accelerating expansion

- K. Enqvist
- Physics
- 13 September 2007

I discuss the spherically symmetric but inhomogeneous Lemaitre–Tolman–Bondi (LTB) metric, which provides an exact toy model for an inhomogeneous universe. Since we observe light rays from the past… Expand

On Primordial Magnetic Fields

- K. Enqvist
- Physics
- 18 May 1994

A primordial magnetic field could be responsible for the observed magnetic fields of the galaxies. One possibility is that such a primordial field is generated at the electroweak phase transition… Expand

The effect of inhomogeneous expansion on the supernova observations

- K. Enqvist, Teppo Mattsson
- Physics
- 5 September 2006

We consider an inhomogeneous but spherically symmetric Lemaitre–Tolman–Bondi model to demonstrate that spatial variations of the expansion rate can have a significant effect on the cosmological… Expand

Gauge invariant MSSM inflaton

- R. Allahverdi, J. García-Bellido, K. Enqvist, A. Mazumdar
- Physics
- 3 May 2006

We argue that all the necessary ingredients for successful inflation are present in the flat directions of the Minimally Supersymmetric Standard Model. We show that out of many gauge invariant… Expand

Neutrino annihilation in hot plasma

- K. Enqvist, K. Kainulainen, V. Semikoz
- Physics
- 27 April 1992

Abstract We consider neutrino annihilation in a heat bath, including annihilation via the photon. We show that the annihilation cross section has high and narrow peaks corresponding to a plasmon… Expand

Stringent cosmological bounds on inert neutrino mixing

- K. Enqvist, K. Kainulainen, M. Thomson
- Physics
- 6 April 1992

We study neutrino oscillations in the early universe induced by a non-trivial vacuum mixing between an inert SU(2)×U(1) singlet and a weakly interacting doublet neutrino. Excluded regions in the… Expand

Q-balls and baryogenesis in the MSSM

- K. Enqvist, J. McDonald
- Physics
- 28 November 1997

We show that Q-balls naturally exist in the Minimal Supersymmetric Standard Model (MSSM) with soft SUSY breaking terms of the minimal N = 1 SUGRA type. These are associated with the F-and D-flat… Expand

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