Infinite mass boundary conditions for Dirac operators
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Date
2019
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Abstract
We study a self-adjoint realization of a massless Dirac operator on a bounded connected domain Omega subset of R-2 which is frequently used to model graphene. In particular, we show that this operator is the limit, as M -> infinity, of a Dirac operator defined on the whole plane, with a mass term of size M supported outside Omega.
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Dirac operator, Berry Mondragon, graphene, infinite mass boundary conditions