Mathematics – Spectral Theory
Scientific paper
2004-12-11
Mathematics
Spectral Theory
15 pages
Scientific paper
We consider a compact Riemannian manifold with a Hermitian line bundle whose curvature is non-degenerate. The Laplacian acting on high tensor powers (the semiclassical regime) of the bundle exhibits a cluster of low-energy states. We demonstrate that the orthogonal projectors onto these states are the Fourier components of an operator with the structure of the Szeg\"o projector, i.e. a Fourier integral operator of Hermite type. This result yields semiclassical asymptotics for the low-energy eigenstates.
Borthwick David
Uribe Alejandro
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