Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-04-04
Phys.Lett.A364:458-464,2007
Physics
High Energy Physics
High Energy Physics - Theory
19 pages, including 2 figures. The title and abstract were changed to more accurately reflect the content. The text was rearra
Scientific paper
10.1016/j.physleta.2006.12.041
A unified S-matrix framework of quantum singular interactions is presented
for the comparison of self-adjoint extensions and physical renormalization. For
the long-range conformal interaction the two methods are not equivalent, with
renormalization acting as selector of a preferred extension and regulator of
the unbounded Hamiltonian.
Camblong Horacio E.
Epele Luis N.
Fanchiotti Huner
Garcia Canal Carlos A.
Ordonez Carlos R.
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