Showing 2018Show all
2 papers · 1 filter
math-ph2018
Background potentials and superselection sectors
Ezio Vasselli
The basic aspects of the Aharonov-Bohm effect can be summarized by the remark that wavefunctions become sections of a line bundle with a flat connection (that is, a "flat potential…
math-ph2018
Linking numbers in local quantum field theory
Detlev Buchholz, Fabio Ciolli, Giuseppe Ruzzi +1
Linking numbers appear in local quantum field theory in the presence of tensor fields, which are closed two-forms on Minkowski space. Given any pair of such fields, it is shown tha…