00-358 L. Amour, R. Brummelhuis, J. Nourrigat
Resonances of the Dirac Hamiltonian in the non relativistic limit (58K, Latex) Sep 12, 00
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Abstract. For a Dirac operator in $\R ^3$ with an electric potential behaving at infinity like a power of $| x |$, we prove the existence of resonances and we study, when $c\rightarrow + \infty$, the asymptotic expansion of their real part, and an estimation of their imaginary part, generalizing an old result of Titchmarsh.

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