wether the local gauge symmetry is permissible in the superfluid He-4 model along with the global one?
For instance, for the (critical) superfluid velocity such local gauge transformation presumably must be of the shape
v_s \to v_s+ (\hbar/m) n grad \lambda (r)
with m,-the helium mass, an integer n and same distance r function \lambda (r).
S. L. Kakani
As far as known to us local gauge symmetry is not permissible in the super fluid model along with global gauge symmetry there in.
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L. D. Lantsman
Dear doctor S. L. Kakani, thank You for Your's answer, but which a ground (in detail) for Your's assertion?
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