Universality conjecture for critical one-dimensional random operators

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Let EE be distributed according to the arcsine law, UU be uniform on [0,1][0,1], and let Z\mathcal{Z} be a standard two-sided Brownian motion started from 00, independent of EE and UU. Define

ρ(E)=11−E2/41∣E∣<2,τ(E)=(σρ(E))2,\rho(E)=\frac{1}{\sqrt{1-E^2/4}}\mathbf{1}_{|E|<2},\qquad \tau(E)=(\sigma\rho(E))^2,

and

S(t)=exp⁡(Zt2−∣t∣4).S(t)=\exp\left(\frac{\mathcal{Z}_t}{\sqrt{2}}-\frac{|t|}{4}\right).

For each operator in the listed settings, consider the corresponding eigenvectors and their high-eigenvalue or small-parameter scaling regime. Universality conjecture. The eigenvectors have a scaling limit described by the limit in Theorem global_evector in the following settings: the critical continuous one-dimensional random Schrödinger operator, the Sineβ_\beta operator as β→0\beta\to0, the stochastic Airy operator as β→0\beta\to0 for high eigenvalues, and the random Hill operator for high eigenvalues. This is a proposed extension of the discrete critical model's eigenvector limit to several one-dimensional random operators. The cited works indicate related settings, but the supplied text does not establish the conjectured common limit or state its resolution, so the status remains open.

References

Primary source

Ben Rifkind and Balint Virag, “Eigenvectors of the critical 1-dimensional random Schroedinger operator”, arXiv:1605.00118 (2018).

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