Asymptotic conjecture for the bottom of the spectrum with hypersurface magnetic wells

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Let HhH^h be the operator acting in L2(M)L^2(M), let λ0(Hh)\lambda_0(H^h) denote the bottom of its spectrum, let kk be the order of vanishing of the magnetic field under the current assumptions, and let ωmin(B)\omega_{\mathrm{min}}(B) be the minimum magnetic-field strength appearing there. Then the spectral-bottom asymptotic conjecture.

lim⁡h→0h−2k+2k+2λ0(Hh)=ν^ ωmin(B)2k+2.\lim_{h\to 0} h^{-\frac{2k+2}{k+2}}\lambda_0(H^h)=\hat{\nu}\, \omega_{\mathrm{min}}(B)^{\frac{2}{k+2}}.

This conjecture refines the approximate-eigenvalue construction for Hh,0H^{h,0} and predicts the precise leading-order behavior of the lowest eigenvalue as hh tends to zero. Its status is not resolved by the supplied source context.

References

Primary source

Bernard Helffer and Yuri A. Kordyukov, “Spectral gaps for periodic Schrödinger operators with hypersurface magnetic wells”, arXiv:0801.4460 (2008).

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