Supersymmetric Quintessence
Francesca Rosati (SISSA)
TL;DR
This paper explores supersymmetric QCD models with multiple scalar fields as potential candidates for dynamical dark energy, analyzing their initial conditions, coupled dynamics, and interactions with cosmological fields.
Contribution
It introduces a comprehensive analysis of multi-scalar supersymmetric QCD models for quintessence, considering initial conditions and scalar couplings in cosmological evolution.
Findings
Multi-scalar dynamics can produce a viable quintessence behavior.
Couplings with other cosmological fields influence scalar evolution.
Initial conditions significantly affect the model's cosmological implications.
Abstract
Recent data point in the direction of a cosmological constant dominated universe. We investigate the role of supersymmetric QCD with N_f < N_c as a possible candidate for dynamical cosmological constant (``quintessence''). We take in full consideration the multi-scalar nature of the model, allowing for different initial conditions for the N_f independent scalar VEVs and studying the coupled system of N_f equations of motion. The issues related to the coupling of the scalars with other cosmological fields are also addressed.
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Taxonomy
TopicsCosmology and Gravitation Theories · Radio Astronomy Observations and Technology