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Title: Catching the bound states in the continuum of a phantom atom in graphene
Authors: Guessi, L. H.
Machado, R. S.
Marques, Y.
Ricco, L. S.
Kristinsson, K.
Yoshida, M.
de Souza, M.
Seridonio, A. C.
Shelykh, Ivan
Issue Date: 2015
Source: Guessi, L. H., Machado, R. S., Marques, Y., Ricco, L. S., Kristinsson, K., Yoshida, M., et al. (2015). Catching the bound states in the continuum of a phantom atom in graphene. Physical Review B, 92(4), 045409-.
Series/Report no.: Physical Review B
Abstract: We explore theoretically the formation of bound states in the continuum (BICs) in graphene hosting two collinear adatoms situated at different sides of the sheet and at the center of the hexagonal cell, where a phantom atom of a fictitious lattice emulates the six carbons of the cell. We verify that in this configuration the local density of states near the Dirac points exhibits two characteristic features: (i) a cubic dependence on energy instead of a linear one for graphene as found in New J. Phys. 16, 013045 (2014), and (ii) the formation of BICs as an aftermath of a Fano destructive interference assisted by the Coulomb correlations in the adatoms. For the geometry where adatoms are collinear to carbon atoms, we report an absence of BICs.
DOI: 10.1103/PhysRevB.92.045409
Schools: School of Physical and Mathematical Sciences 
Rights: © 2015 American Physical Society (APS). This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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