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Rotating Supertubes
Jin-Ho Cho, Phillial Oh
We study the rotating tubular D2-brane as a time dependent supersymmetric solution of type-IIA string theory. We show that the Poynting angular momentum of the supertube can be rep…
Integrable Extension of Nonlinear Sigma Model
Phillial Oh
We propose an integrable extension of nonlinear sigma model on the target space of Hermitian symmetric space (HSS). Starting from a discussion of soliton solutions of O(3) model an…
The Field Theory of Generalized Ferromagnet on the Hermitian Symmetric Spaces
Phillial Oh
We discuss the recent developments in the generalized continuous Heisenberg ferromagnet model formulated as a nonrelativistic field theory defined on the target space of the coadjo…
Exact Propagator for Coherent State
Phillial Oh
We present a classical integrable model of isospin defined on complex projective phase space in the external magnetic field and solve it exactly by constructing the action-…