Local symmetries and the Noether identities in the Hamiltonian framework

A. A. Deriglazov, K. E. Evdokimov

Результат исследований: Материалы для журналаСтатья

22 Цитирования (Scopus)

Аннотация

We study in the Hamiltonian framework the local transformations δ(ε)q(A)(τ) = Σ(k = 0)/([k]) δ(τ)/(k)ε(α)R((k))(α)(A)(q(B),q(C)) which leave invariant the Lagrangian action: δ(ε)S = div. Manifest form of the symmetry and the corresponding Noether identities is obtained in the first order formalism as well as in the Hamiltonian one. The identities have very simple form and interpretation in the Hamiltonian framework. Part of them allows one to express the symmetry generators which correspond to the primarily expressible velocities through the remaining one. The other part of the identities allows one to select subsystem of constraints with a special structure from the complete constraint system. It means, in particular, that the above written symmetry implies an appearance of the Hamiltonian constraints up to at least ([k] + 1) stage. It is proven also that the Hamiltonian symmetries can always be presented in the form of canonical transformation for the phase space variables. The manifest form of the resulting generating function is obtained.

Язык оригиналаАнглийский
Страницы (с-по)4045-4067
Число страниц23
ЖурналInternational Journal of Modern Physics A
Том15
Номер выпуска25
DOI
СостояниеОпубликовано - 10 окт 2000

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

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