Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1997-04-25
J.Phys.A30:5299-5310,1997
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, LaTeX, submitted to J.Phys.A
Scientific paper
10.1088/0305-4470/30/15/016
In the paper we begin a description of functional methods of quantum field theory for systems of interacting q-particles. These particles obey exotic statistics and are the q-generalization of the colored particles which appear in many problems of condensed matter physics, magnetism and quantum optics. Motivated by the general ideas of standard field theory we prove the q-functional analogues of Hori's formulation of Wick's theorems for the different ordered q-particle creation and annihilation operators. The formulae have the same formal expressions as fermionic and bosonic ones but differ by a nature of fields. This allows us to derive the perturbation series for the theory and develop analogues of standard quantum field theory constructions in q-functional form.
Ilinski Kirill N.
Kalinin G. V.
Stepanenko Alexander S.
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