physics, mathematical physics, philosophy of physics
theory (physics), model (physics)
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The superparticle is a sigma-model quantum field theory analogous to the ordinary relativistic particle but where either the worldline or the target space are taken to be supermanifolds. Described by supersymmetric quantum mechanics.
One way to define what this means classically is to give an action functional on spaces of maps from the worldline into super target space. One such is the
The quantization of this action functional to a 1-dimensional worldvolume QFT is still largely an open problem.
An axiomatic description of the worldvolume QFT of the superparticle can be given in terms of FQFT as a representation of a category of super-cobordisms. One such approach is described at
The algebraic data encoded by such a representation is essentially that of a
See there for more details.
particle, spinning particle, fermion, superparticle
string theory FQA – Does string theory predict supersymmetry?