Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-03-31
Nucl.Phys. B533 (1998) 611-626
Physics
High Energy Physics
High Energy Physics - Theory
Revised version. To appear in Nucl. Phys. B
Scientific paper
10.1016/S0550-3213(98)00477-5
The collective coordinates expansion of the Skyrme soliton particle model gives rise to the second class constraints. We use the non-abelian BFFT formalism to convert this system into the one with only first class constraints. Choosing two different structure functions of the non-abelian algebra, we obtain simplified algebraic expressions for the first class non-abelian Hamiltonians. This result shows that the non-abelian BFFT method is, in many aspects, richer than the abelian BFFT formalism. For both of the first class Hamiltonians, we derive the Lagrangians which lead to the new theory. When one puts the extended phase space variables equal to zero, the original Skyrmion Lagrangian is reproduced. The method of the Dirac first class constraints is employed to quantize these two systems. We achieve the same spectrum, a result which confirms the consistency of the non-abelian BFFT formalism.
Neto Jorge Ananias
Oliveira Wilson
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