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Deformed Defects for Scalar Fields with Polynomial Interactions
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A suitable deformation of the Hopf algebra of the creation and annihilation operators for a complex scalar field, initially quantized in Minkowski space–time, induces the canonical quantization of the same field in a generic gravitational background. The deformation parameter q turns out to be related to the gravitational field. The entanglement of the quantum vacuum appears to be robust agains...
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In this work, we present a general procedure, which is able to generate new exact solitonic models in 1+1 dimensions, from a known one, consisting of two coupled scalar fields. An interesting consequence of the method, is that of the appearing of nontrivial extensions, where the deformed systems presents other BPS solitons than that appearing in the original model. Finally we take a particular ...
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ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 2019
ISSN: 0550-3213
DOI: 10.1016/j.nuclphysb.2018.12.002