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math-ph1998
Higher-Order Quantization on a Lie Group
V. Aldaya, J. Guerrero, G. Marmo
In this paper we are mainly concerned with the study of polarizations (in general of higher-order type) on a connected Lie group with a U(1)-principal bundle structure. The represe…
hep-th1998
Vacuum Radiation in Conformally Invariant Quantum Field Theory
V. Aldaya, M. Calixto, J. M. Cervero
Although the whole conformal group can be considered as a symmetry in a classical massless field theory, the subgroup of special conformal transformations (SCT), usually…