Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 21, Issue 29, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/21/29/292204
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Funding
- IRD Unit, IIT Delhi
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An analysis of electron transport in graphene in the presence of various arrangements of delta-function like magnetic barriers is presented. The motion through one such barrier gives an unusual non-specular refraction leading to asymmetric transmission. The symmetry is restored by putting two such barriers in opposite directions side by side. Periodic arrangements of such barriers can be used as Bragg reflectors whose reflectivity has been calculated using a transfer matrix formalism. Such Bragg reflectors can be used to make resonant cavities. We also analyze the associated band structure for the case of infinite periodic structures.
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