Remarks on bell-shaped lumps: stability and fermionic modes

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Brihaye, Y.
Delsate, T.
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Abstract
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We consider non-topological, "bell-shaped" localized and regular solutions available in some 1+1 dimensional scalar field theories. Several properties of such solutions are studied, namely their stability and the occurence of fermion bound states in the background of a kink and a kink-anti-kink solutions of the sine-Gordon model.
Comment: 8 pages, 4 figures
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High Energy Physics - Theory
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