Abstract
We obtain the exact nonperturbative solution of a scalar field theory defined on a space with noncommuting position and momentum coordinates. The model describes nonlocally interacting charged particles in a background magnetic field. It is an exactly solvable quantum field theory which has nontrivial interactions only when it is defined with a finite ultraviolet cutoff. We propose that small perturbations of this theory can produce solvable models with renormalizable interactions. © 2003 Published by Elsevier B.V.
| Original language | English |
|---|---|
| Pages (from-to) | 95-101 |
| Number of pages | 7 |
| Journal | Physics Letters B |
| Volume | 569 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 4 Sept 2003 |