Spin-isospin textured excitations in a double layer at filling factor $ν=2$

Details Spin-isospin textured excitations in a double layer at filling factor $ν=2$ Spin-isospin textured excitations in a double layer at filling factor $ν=2$

1999-02-15

arxiv.org/abs/cond-mat/9902197v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.83.2250

We study the charged excitations of a double layer at filling factor 2 in the ferromagnetic regime. In a wide range of Zeeman and tunneling splittings we find that the low energy charged excitations are spin-isospin textures with the charge mostly located in one of the layers. As tunneling increases, the parent spin texture in one layer becomes larger and it induces, in the other layer, a shadow spin texture antiferromagnetically coupled to the parent texture. These new quasiparticles should be observable by measuring the strong dependence of its spin on tunneling and Zeeman couplings.

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