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Non-Abelian Strings in High Density QCD: Zero Modes and Interactions
Eiji Nakano, Muneto Nitta, Taeko Matsuura
The most fundamental strings in high density color superconductivity are the non-Abelian semi-superfluid strings which have color gauge flux tube but behave as superfluid vortices…
Non-Abelian Global Strings at Chiral Phase Transition
Muneto Nitta, Noriko Shiiki
We construct non-Abelian global string solutions in the U(N)_L x U(N)_R linear sigma model. These strings are the most fundamental objects which are expected to form during the chi…
Interactions of Non-Abelian Global Strings
Eiji Nakano, Muneto Nitta, Taeko Matsuura
Non-Abelian global strings are expected to form during the chiral phase transition. They have orientational zero modes in the internal space, associated with the vector-like symmet…
Skyrme Strings
Muneto Nitta, Noriko Shiiki
We construct nontopological string solutions with U(1) Noether charge in the Skyrme model with a pion mass term, and examine their stability by taking linear perturbations. The sol…