COLÓQUIO (10/07/2015): Topological solitons mediated spin-charge conversion effects in conducting polymers (Prof. Dr. Sergei Sergeenkov – Universidade Federal da Paraíba) Reviewed by Momizat on . By mapping a Hubbard-like electronic Hamiltonian (describing a conducting polymer with antiferromagnetic properties in the presence of strong enough electron-ph By mapping a Hubbard-like electronic Hamiltonian (describing a conducting polymer with antiferromagnetic properties in the presence of strong enough electron-ph Rating: 0
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COLÓQUIO (10/07/2015): Topological solitons mediated spin-charge conversion effects in conducting polymers (Prof. Dr. Sergei Sergeenkov – Universidade Federal da Paraíba)

COLÓQUIO (10/07/2015): Topological solitons mediated spin-charge conversion effects in conducting polymers  (Prof. Dr. Sergei Sergeenkov – Universidade Federal da Paraíba)

By mapping a Hubbard-like electronic Hamiltonian (describing a conducting polymer with antiferromagnetic properties in the presence of strong enough electron-phonon interactions) onto the canonical system of two coupled nonlinear Schroedinger equations with U(2) symmetry group, some very nontrivial correlations between topological solitons mediated charge and spin degrees of freedom are obtained, including fractionalization, reentrant like behavior and spin-charge conversion effects.

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