TY  - JOUR 
AU  - Alonso Izquierdo, Alberto
AU  - González León, Miguel Ángel
AU  - Mateos Guilarte, Juan María
PY  - 2009
UR  - http://hdl.handle.net/10366/121884
AB  - [EN] The stability of the kinks of the non-linear ${\mathbb S}^2$-sigma model discovered in Phys. Rev. Lett. 101(2008)131602 is discussed from several points of view. After a direct estimation of the spectra of the second-order fluctuation operators...
LA  - eng
KW  - High Energy Physics - Theory
KW  - Física de Altas Energías
TI  - BPS and non-BPS kinks in a massive non-linear S^2-sigma model
DO  - http://link.aps.org/doi/10.1103/PhysRevD.79.125003
ER  -