Výsledky vyhledávání - "Radzikowski, Marek"

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A quantum field model for tachyonic neutrinos with Lorentz symmetry breaking

Autor: Radzikowski, Marek J.

A quantum field model for Dirac-like tachyons respecting a frame-dependent interpretation rule, and thus inherently breaking Lorentz invariance, is defined. It is shown how the usual paradoxa ascribed to tachyons, instability and acausality, are reso

Externí odkaz: http://arxiv.org/abs/1007.5418

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Stable, Renormalizable, Scalar Tachyonic Quantum Field Theory with Chronology Protection

Autor: Radzikowski, Marek J.

We use microlocal arguments to suggest that Lorentz symmetry breaking must occur in a reasonably behaved tachyonic quantum field theory that permits renormalizability. In view of this, we present a scalar tachyonic quantum field model with manifestly

Externí odkaz: http://arxiv.org/abs/0804.4534

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Phase Space Factor for Two-Body Decay if One Product is a Stable Tachyon

Autor: Radzikowski, Marek J.

We calculate the phase space factor for a two-body decay in which one of the products is a tachyon. Two threshold conditions, a lower and an upper one, are derived in terms of the masses of the particles and the speed of a preferred frame. Implicit i

Externí odkaz: http://arxiv.org/abs/0801.1957

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Quantum Field Theory on Spacetimes with a Compactly Generated Cauchy Horizon

Autor: Kay, Bernard S., Radzikowski, Marek J., Wald, Robert M.

Publikováno v: Commun.Math.Phys.183:533-556,1997

We prove two theorems which concern difficulties in the formulation of the quantum theory of a linear scalar field on a spacetime, (M,g_{ab}), with a compactly generated Cauchy horizon. These theorems demonstrate the breakdown of the theory at certai

Externí odkaz: http://arxiv.org/abs/gr-qc/9603012

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