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Symmetry Classes in Graphene Quantum Dots: Universal Spectral Statistics, Weak Localization, and Conductance Fluctuations

Wurm, J. and Rycerz, A. and Adagideli, Inanc and Wimmer, Michael and Richter, Klaus and Baranger, H. (2009) Symmetry Classes in Graphene Quantum Dots: Universal Spectral Statistics, Weak Localization, and Conductance Fluctuations. Physical Review Letters (PRL) 102, 056806.

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Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.102.056806, http://arxiv.org/abs/0808.1008


Abstract

We study the symmetry classes of graphene quantum dots, both open and closed, through the conductance and energy level statistics. For abrupt termination of the lattice, these properties are well described by the standard orthogonal and unitary ensembles. However, for smooth mass confinement, special time-reversal symmetries associated with the sublattice and valley degrees of freedom are ...

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Item Type:Article
Date:2009
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
10.1103/PhysRevLett.102.056806DOI
0808.1008arXiv ID
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevLett.102.056806Publisher
http://arxiv.org/abs/0808.1008Preprint
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Timo Hartmann
Deposited On:25 May 2009 13:19
Last Modified:20 Jun 2012 07:51
Item ID:7830
Owner Only: item control page
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