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Hawking-like emission in kink-soliton escape from a potential well

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URI: https://hdl.handle.net/10016/14039
ISSN: 1367-2630 (Online)
DOI: 10.1088/1367-2630/10/11/113015
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hawking_NJP_2008.pdf (1.33 MB)
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2008-11
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Institute of Physics
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The escape of solitons over a potential barrier is analysed within the framework of a nonlinear Klein–Gordon equation. It is shown that the creation of a kink–antikink pair near the barrier through an internal mode instability can be followed by escape of the kink in a process analogous to Hawking radiation. These results have important implications in a wider context, including stochastic resonance and ratchet systems, which are also discussed.
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New Journal of Physics: the open access journal for physics, vol. 10, november 2008. Pp. 1-19
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