Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP05(2017)107
Keywords
Field Theories in Lower Dimensions; Nonperturbative Effects; Solitons Monopoles and Instantons
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Funding
- STFC Consolidated Grant [ST/L000407/1]
- GATIS Marie Curie FP7 network under REA Grant [317089]
- BSU Student Grant Program
- Russian Foundation for Basic Research [16-52-12012]
- DFG [LE 838/12-2]
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We study boundary scattering in the phi(4) model on a half-line with a one-parameter family of Neumann-type boundary conditions. A rich variety of phenomena is observed, which extends previously-studied behaviour on the full line to include regimes of near-elastic scattering, the restoration of a missing scattering window, and the creation of a kink or oscillon through the collision-induced decay of a metastable boundary state. We also study the decay of the vibrational boundary mode, and explore different scenarios for its relaxation and for the creation of kinks.
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