Sufficient conditions for the existence
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K Chadan; Ch De Mol
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Article
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1980
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Elsevier Science
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English
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We give in this paper several sufficient conditions for the existence of negative energy bound states in a purely 'attractive potential without spherical symmetry. These conditions generalize the condition obtained recently by K. Chadan and A. Martin (C. R. Acad. Sci. Paris 290 (1980), 151), and can