Two species of semilocal cosmic strings in Abelian gauged <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="double-struck">C</mml:mi><mml:msup><mml:mi mathvariant="double-struck">P</mml:mi><mml:mn>2</mml:mn></mml:msup></mml:math> -sigma models coupled to gravity
Physical review. D/Physical review. D.