Collinear Supergravity at Linear Order
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We review the concept of collinear superspace and reparametrisation invariance which we use to guide us in constructing collinear superspace Lagrangians. We describe the process of doing so for matter as well as gauge Lagrangians and note the similarities between the two. We use a similar approach to obtain a supergravity Lagrangian while using a non-conventional gauge fixing choice. The constructed Lagrangian maintains some similarities to the above two cases. We also identify the form of gauge field-current coupling as well as gravity-current coupling and note the similarities between the two couplings as well.
DepartmentMassachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology