98-203 Martinez A., Sordoni V.
Microlocal WKB Expansions (92K, LATeX 2e) Mar 17, 98
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Abstract. In this paper, we investigate the existence of microlocal WKB expansions for the eigenfunctions of pseudodifferential operators whose symbol admits a non degenerate minimum at some point $(x_0,\xi_0)$ of ${\R}^{2n}$. This is the case, for example, of an electromagnetic Schr\"odinger operators when the electric potential admits a non degenerate minimum at some point $x_0$.

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