DOI

The partition function of an O(N)-invariant vector anharmonic oscillator is generated by a set of Hamiltonians describing one-component oscillators in double-well potentials at negative coupling constant. The large N expansion appears as a conventional perturbation theory for auxiliary scalar Hamiltonians. An extension of the approach to rotationally invariant vector field theories is considered in the framework of the bilocal formalism.

Язык оригиналаанглийский
Страницы (с-по)82-100
Число страниц19
ЖурналAnnals of Physics
Том140
Номер выпуска1
DOI
СостояниеОпубликовано - 15 апр 1982

    Предметные области Scopus

  • Физика и астрономия (все)

ID: 36266122