Year: 2016
Type: article
Abstract: Employing the coset approach we construct component actions for a superparticle moving in ${\mathrm{AdS}}_{3}$ with $N=(2,0)$, $D=3$ supersymmetry partially broken to $N=2$, $d=1$. These actions may contain higher time-derivative terms, which are chosen to possess the same (super)symmetries as the free superparticle. In terms of the nonlinear-realization superfields, the component actions always take a simpler form when written in terms of covariant Cartan forms. We also consider in detail the reduction to the nonrelativistic case and construct the corresponding action of a Newton-Hooke superparticle and its higher-derivative generalizations. The structure of these higher time-derivative generalizations is completely fixed by invariance under the supersymmetric Newton-Hooke algebra extended by two central charges.
Language: Latvian
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Awards: G3879878876, G5611846587, G975181496
OpenAlex ID: W2228528975