Browsing by Subject "Elementary particles"

Browsing by Subject "Elementary particles"

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  • Calogero, spherically reduced and PT-deformed 
    Correa, Francisco; Lechtenfeld, Olaf (Trieste : Scuola Internazionale Superiore di Studi Avanzati (S I S S A), 2016)
    The rational Calogero model based on the An- 1 root system is spherically reduced to a superintegrable angular model of a particle moving on Sn- 2 subject to a very particular potential singular at the Weyl chamber walls. ...
  • Noncommutative deformation of the Ward metric 
    Goffeng, Magnus; Lechtenfeld, Olaf (Trieste : International School for Advanced Studies, 2011)
    The moduli-space metric in the static non-Abelian charge-two sector of the Moyal-deformed CP1 sigma model in 1+2 dimensions is analyzed. After recalling the commutative results of Ward and Ruback and the ?-regularized ...
  • Pure Yang–Mills solutions on dS 4 
    Ivanova, Tatiana A.; Lechtenfeld, Olaf; Popov, Alexander D. (Trieste : Sissa Medialab Srl, 2017)
    We consider pure SU(2) Yang–Mills theory on four-dimensional de Sitter space dS 4 and construct smooth and spatially homogeneous classical Yang–Mills fields. Slicing dS 4 as ℝ×S 3 , via an SU(2)-equivariant ansatz we reduce ...