Unfolding mixed-symmetry fields in AdS and the BMV conjecture: II. Oscillator realization

作者:Boulanger Nicolas*; Iazeolla Carlo; Sundell Per
来源:The Journal of High Energy Physics, 2009, 2009(7): 014.
DOI:10.1088/1126-6708/2009/07/014

摘要

Following the general formalism presented in arXiv:0812.3615 - referred to as Paper I - we derive the unfolded equations of motion for tensor fields of arbitrary shape and mass in constantly curved backgrounds by radial reduction of Skvortsov's equations in one higher dimension. The complete unfolded system is embedded into a single master field, valued in a tensorial Schur module realized equivalently via either bosonic (symmetric basis) or fermionic (anti-symmetric basis) vector oscillators. At critical masses the reduced Weyl zero-form modules become indecomposable. We explicitly project the latter onto the submodules carrying Metsaev's massless representations. The remainder of the reduced system contains a set of Stuckelberg fields and dynamical potentials that leads to a smooth flat limit in accordance with the Brink-Metsaev-Vasiliev (BMV) conjecture. In the unitary massless cases in AdS, we identify the Alkalaev-Shaynkman-Vasiliev frame-like potentials and explicitly disentangle their unfolded field equations.

  • 出版日期2009-7