Abstract
We show that spherically symmetric chiral SU(2)\ifmmode\times\else\texttimes\fi{}SU(2) solitons are unstable under spin-isospin rotations. Namely, the effective potential including the effects of quantizing the collective coordinate corresponding to such a rotation has no minimum in the class of functions used to describe such solitons.
Highlights
We show that spherically symmetric chiral SU(2
solitons are unstable under spin-isospin rotations
the effective potential including the effects of quantizing the collective coordinate corresponding to such a rotation has no minimum in the class
Summary
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