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Symmetries of two Higgs doublet model and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>violation
We use the invariance of a physical picture under a change of Lagrangian, the reparameterization invariance in the space of Lagrangians and its particular case---the rephrasing invariance---for analysis of the two-Higgs-doublet extension of the standard model. We found that some parameters of theory like $\mathrm{tan}\ensuremath{\beta}$ are reparameterization dependent and therefore …