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11 papers · 2 filters
Quantum Exact Non-Abelian Vortices in Non-relativistic Theories
Muneto Nitta, Shun Uchino, Walter Vinci
Non-Abelian vortices arise when a non-Abelian global symmetry is exact in the ground state but spontaneously broken in the vicinity of their cores. In this case, there appear (non-…
Baryonic sphere: a spherical domain wall carrying baryon number
Sven Bjarke Gudnason, Muneto Nitta
We construct a spherical domain wall which has baryon charge distributed on a sphere of finite radius in a Skyrme model with a sixth order derivative term and a modified mass term.…
Incarnations of Instantons
Muneto Nitta
Yang-Mills instantons in a pure Yang-Mills theory in four Euclidean space can be promoted to particle-like topological solitons in d=4+1 dimensional space-time. When coupled to Hig…
Non-Abelian Vortices with an Aharonov-Bohm Effect
Jarah Evslin, Kenichi Konishi, Muneto Nitta +2
The interplay of gauge dynamics and flavor symmetries often leads to remarkably subtle phenomena in the presence of soliton configurations. Non-Abelian vortices -- vortex solutions…
Kelvin modes as Nambu-Goldstone modes along superfluid vortices and relativistic strings: finite volume size effects
Michikazu Kobayashi, Muneto Nitta
We study Kelvin modes and translational zero modes excited along a quantized vortex and relativistic global string in superfluids and a relativistic field theory, respectively, by…
Fractional vortex molecules and vortex polygons in a baby Skyrme model
Michikazu Kobayashi, Muneto Nitta
We construct a molecule of fractional vortices with fractional topological lump charges as a baby Skyrmion with the unit topological lump charge in the anti-ferromagnetic (or XY) b…