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Pseudospin excitations in coaxial nanotubes

Scharf, Benedikt / B and Fabian, Jaroslav and Matos-Abiague, Alex (2009) Pseudospin excitations in coaxial nanotubes. Physical Review B (PRB). (Submitted)

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Other URL: http://arxiv.org/abs/0910.2552


In a 2DEG 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 of small intertube ...


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Item type:Article
Date:14 October 2009
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
Keywords:collective excitations, pseudospintronics, ferromagnetic resonance
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:No, this version has not been refereed yet (as with preprints)
Created at the University of Regensburg:Yes
Deposited on:20 Oct 2009 12:16
Last modified:27 Aug 2012 13:12
Item ID:9828
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