A Trace Formula for Long-Range Perturbations of the Landau Hamiltonian

التفاصيل البيبلوغرافية
العنوان: A Trace Formula for Long-Range Perturbations of the Landau Hamiltonian
المؤلفون: Lungenstrass, Tomas, Raikov, Georgi
سنة النشر: 2013
المجموعة: Mathematics
Mathematical Physics
مصطلحات موضوعية: Mathematics - Spectral Theory, Mathematical Physics, 35P20, 35J10, 47G30, 81Q10
الوصف: We consider the Landau Hamiltonian perturbed by a long-range electric potential $V$. The spectrum of the perturbed operator consists of eigenvalue clusters which accumulate to the Landau levels. First, we obtain an estimate of the rate of the shrinking of these clusters to the Landau levels as the number of the cluster $q$ tends to infinity. Further, we assume that there exists an appropriate $\V$, homogeneous of order $-\rho$ with $\rho \in (0,1)$, such that $V(x) = \V(x) + O(|x|^{-\rho - \epsilon})$, $\epsilon > 0$, as $|x| \to \infty$, and investigate the asymptotic distribution of the eigenvalues within a given cluster, as $q \to \infty$. We obtain an explicit description of the asymptotic density of the eigenvalues in terms of the mean-value transform of $\V$.
Comment: 27 pages, to appear in Ann. H Poincar\'e
نوع الوثيقة: Working Paper
DOI: 10.1007/s00023-013-0285-1
الوصول الحر: http://arxiv.org/abs/1306.5837Test
رقم الانضمام: edsarx.1306.5837
قاعدة البيانات: arXiv