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A Theory of Scattering for Quasifree Particles
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Artikel-Nr:
9789814612067
Veröffentl:
2014
Einband:
HC gerader Rücken kaschiert
Erscheinungsdatum:
31.07.2014
Seiten:
102
Autor:
Raymond F Streater
Gewicht:
313 g
Format:
235x157x10 mm
Sprache:
Englisch
Beschreibung:
In this book, the author presents the theory of quasifree quantum fields and argues that they could provide non-zero scattering for some particles. The free-field representation of the quantised transverse electromagnetic field is not closed in the weak*-topology. Its closure contains soliton-anti-soliton pairs as limits of two-photon states as time goes to infinity, and the overlap probability can be computed using Uhlmann's prescription. There are no free parameters: the probability is determined with no requirement to specify any coupling constant. All cases of the Shale transforms of the free field ¿ of the form ¿→¿+φ, where φ is not in the one-particle space, are treated in the book. There remain the cases of the Shale transforms of the form ¿ → T¿, where T is a symplectic map on the one-particle space, not near the identity.