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We consider dynamics of a scalar field in compactification scenario of Einstein-Gauss-Bonnet cosmology. It is shown that if the field is non-minimally coupled to curvature, its asymptotic value under certain conditions may be shifted from the minimum of its potential. This means that due to influence of extra dimensions a scalar field with λ φ⁴ potential can stabilise away from φ=0 stable point which means an effective symmetry breaking occurs in such a system.
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Chirkov et al. (2024) studied this question.
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