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Starting from the governing equations for a quantum magnetoplasma including the quantum Bohm potential and electron spin- 12 effects, we show that the system of quantum magnetohydrodynamic (QMHD) equations admits rarefactive solitons due to the balance between nonlinearities and quantum diffraction and tunneling effects. It is found that the electron spin- 12 effect introduces a pressurelike te...

We report on the computer simulation of the dynamical effects of a collection of gyrating electrons in a magnetoplasma. The effects being looked into are the detailed microscopic current attractions that lead to synchronization and coherence amongst the gyrating electrons to give rise to gyro-phase coherence. We use a simplified model that uses the Darwin Hamiltonian and also the assumption tha...

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The complex Faraday angle and transmission for the topological insulator Bi2Se3 were measured in the far infrared in magnetic fields up to 8 T and analyzed in terms of a simple Drude-Lorentz magnetoplasma dielectric model. Bulk carriers dominate the optical response. The bulk carriers are electrons as we determined from the sign of the Faraday angle. We obtain the bulk band-edge cyclotron mass ...