Constructing Effective Lagrangians of the Goldstone Bosons of SO(4)/SO(3) Symmetry Breaking
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Graphical Abstract
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Abstract
With the CCWZ method and the recently proposed shift-symmetry method, the effective Lagrangians of Goldstone bosons of SO(4)/SO(3) symmetry breaking are separately constructed and the results are compared. It is shown that the effective Lagrangians constructed by rescaling the free parameter f with shift-symmetry method,f2f,are consistent. This proves the effectiveness of shift-symmetry method for the construction of effective Lagrangians of Goldstone bosons.
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