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Theory of pseudospin excitations in coaxial nanotubes

Scharf, Benedikt, Fabian, Jaroslav and Matos-Abiague, Alex (2010) Theory of pseudospin excitations in coaxial nanotubes. Phys. Rev. B 81 (12), p. 125428.

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In two-dimensional electron gases confined to two coaxial tubes the "tube degree of freedom" can be described in terms of pseudospin-1/2 dynamics. The presence of tunneling between the two tubes leads to a collective oscillation known as pseudospin resonance. We employ perturbation theory to examine the dependence of the frequency of this mode with respect to a coaxial magnetic field for the case ...


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Item type:Article
Date:24 March 2010
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Jaroslav Fabian
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen, GRK 638 Nonlinearity and nonequilibrium in condensed matter
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Keywords:collective excitations, pseudospintronics, ferromagnetic resonance
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:14649
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