Energy-independence conjecture for limit points of rescaled eigenvalue measures

From papers

Let d4d\geq 4 and let μL,E0\mu_{L,E}^0 be the measures associated with the finite-volume model at energy E(2d,2d)E\in(-2d,2d). Let ndn_d denote the density of states of the dd-dimensional Laplacian Δ\Delta, and let δa\delta_a denote the point mass at aa. Energy-independence conjecture. The limit points of μL,E0\mu_{L,E}^0 are independent of E(2d,2d)E\in(-2d,2d) and are given by

kZsin(θ)nd1(E2cos(θ))δπksin(θ)dθ.\sum_{k\in\mathbb Z}\int \sin(\theta)n_{d-1}(E-2\cos(\theta))\,\delta_{\pi k\sin(\theta)}\,d\theta.

The claim predicts an explicit universal description of the limiting measures in dimensions at least four, extending the preceding result establishing the existence of non-trivial limit points near the spectral edges. The statement is presented as a conjecture, and no resolution is supplied in the source.

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Sources & referencesView supporting material

Primary source

Dhriti Ranjan Dolai and M Krishna, “Level Repulsion for a class of decaying random potentials”, arXiv:1305.5619 (2013).

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