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## Main Question or Discussion Point

Having read different text on SSB but still I have no clear concept of what or which symmetry breaks in SSB, abelian and non-abelian theory.

What do we mean by term SSB? all I see is the symmetry of ground state is broken but the lagrangian and the given potential is still symmetric under local or global transformation.

Is the complete theory still symmetric? if the ground state is not symmetric?

THANKS.

What do we mean by term SSB? all I see is the symmetry of ground state is broken but the lagrangian and the given potential is still symmetric under local or global transformation.

Is the complete theory still symmetric? if the ground state is not symmetric?

THANKS.