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Discrete Spectrum of the Bilayer Graphene Operator (2506.22998v1)
Published 28 Jun 2025 in math.SP
Abstract: We consider the graphene operator $D_m$ perturbed by a decaying potential $\alpha V$, where $\alpha$ is a coupling constant. We study the number $N(\lambda,\alpha)$ of eigenvalues of the operator $D(t)=D_m-tV$ passing through a regular point $\lambda\in\rho(D_m)$ as $t$ changes from $0$ to $\alpha$. We obtain asymptotic formulas for $N(\lambda,\alpha)$ as $\alpha\to\infty$.
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