Derives general BRST-BV Lagrangian for free fields in Poincare AdS, develops constrained and unconstrained versions for massless/massive/partially-massless and continuous-spin fields, and matches to metric-like formulation.
Elementary particles with continuous spin
3 Pith papers cite this work. Polarity classification is still indexing.
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abstract
Classical results and recent developments on the theoretical description of elementary particles with "continuous" spin are reviewed. At free level, these fields are described by unitary irreducible representations of the isometry group (either Poincar\'e or anti de Sitter group) with an infinite number of physical degrees of freedom per spacetime point. Their basic group-theoretical and field-theoretical descriptions are reviewed in some details. We mention a list of open issues which are crucial to address for assessing their physical status and potential relevance.
fields
hep-th 3years
2026 3verdicts
UNVERDICTED 3representative citing papers
A new single two-component spinor formulation for continuous-spin particles allows straightforward amplitudes, shows infinite-spin limit of massive amplitudes with exponentiation, and yields nontrivial collinear amplitudes constrained by a dimensionful CSP parameter.
Construction of first-class constraint systems for bosonic and fermionic continuous-spin fields in AdS_D that realize the so(2,D-1) algebra via Lie-Lorentz derivative and match Metsaev's Casimir classification.
citing papers explorer
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BRST-BV approach to fields in Poincare patch of AdS
Derives general BRST-BV Lagrangian for free fields in Poincare AdS, develops constrained and unconstrained versions for massless/massive/partially-massless and continuous-spin fields, and matches to metric-like formulation.
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Spinor-helicity formalism for continuous-spin particles
A new single two-component spinor formulation for continuous-spin particles allows straightforward amplitudes, shows infinite-spin limit of massive amplitudes with exponentiation, and yields nontrivial collinear amplitudes constrained by a dimensionful CSP parameter.
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Wigner continuous-spin equations in $\mathbf{AdS_D}$: bosonic and fermionic cases
Construction of first-class constraint systems for bosonic and fermionic continuous-spin fields in AdS_D that realize the so(2,D-1) algebra via Lie-Lorentz derivative and match Metsaev's Casimir classification.