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Co-positivity of tensors and boundedness from below conditions of CP conserving two-Higgs-doublet potential

Song Yisheng, Song Yisheng
2023-12-04 ChinaXiv: chinaxiv-202204.00025

In this paper, the analytic necessary and sufficient conditions are obtained for the CP-conserving two-Higgs-doublet potential to be bounded from below using the co-positivity of tensors. This is achieved by treating the potential as a quartic homogeneous polynomial in the moduli of the two Higgs do…