In this student project, performed at the Pontificia Universidad Catolica de Chile in 2011, a sim... more In this student project, performed at the Pontificia Universidad Catolica de Chile in 2011, a simple Lagrangian is proposed that by the choice of the representation of SU(2), gives rise to field equations for arbitrary spin. In explicit examples it is shown, how the Klein-Gordon, the Dirac, and the Proca equation can be obtained from this Lagrangian. On the same footing, field equations for arbitrary spin are given. Finally, symmetries are discussed, the fields are quantized, their statistics is deduced, Feynman rules are derived, and problems of the formulation are discussed.
In this student project, performed at the Pontificia Universidad Catolica de Chile in 2011, a sim... more In this student project, performed at the Pontificia Universidad Catolica de Chile in 2011, a simple Lagrangian is proposed that by the choice of the representation of SU(2), gives rise to field equations for arbitrary spin. In explicit examples it is shown, how the Klein-Gordon, the Dirac, and the Proca equation can be obtained from this Lagrangian. On the same footing, field equations for arbitrary spin are given. Finally, symmetries are discussed, the fields are quantized, their statistics is deduced, Feynman rules are derived, and problems of the formulation are discussed.
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Papers by Nicolas Rojas