A Theory of Scattering for Quasifree Particles: A Probabilistic Graphical Model Perspective
Autor Raymond F. Streateren Limba Engleză Hardback – 29 sep 2014
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Specificații
ISBN-13: 9789814612067
ISBN-10: 9814612065
Pagini: 95
Dimensiuni: 162 x 235 x 13 mm
Greutate: 0.33 kg
Ediția:New.
Editura: WORLD SCIENTIFIC
Locul publicării:United States
ISBN-10: 9814612065
Pagini: 95
Dimensiuni: 162 x 235 x 13 mm
Greutate: 0.33 kg
Ediția:New.
Editura: WORLD SCIENTIFIC
Locul publicării:United States
Descriere
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 ϕ of the form ϕ→ϕ+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 ϕ → Tϕ, where T is a symplectic map on the one-particle space, not near the identity.