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pro vyhledávání: '"Spreitzer, Christian"'
The non-relativistic Pauli equation is used to study the interaction of slow neutrons with a short magnetic pulse. In the extreme limit, the pulse is acting on the magnetic moment of the neutron only at one instant of time. We obtain the scattering a
Externí odkaz:
http://arxiv.org/abs/2312.01079
We discuss spectral properties of a regularization approach to a Schr\"odinger equation set-up for the diffraction of a quantum particle at almost planar patterns. Physically meaningful initial values and potentials are modeled in terms of regularizi
Externí odkaz:
http://arxiv.org/abs/2212.08497
In this paper we develop the mathematics required in order to provide a description of the observables for quantum fields on low-regularity spacetimes. In particular we consider the case of a massless scalar field $\phi$ on a globally hyperbolic spac
Externí odkaz:
http://arxiv.org/abs/1910.13789
We discuss the application of recent results on generalized solutions to the Cauchy problem for hyperbolic systems to Dirac equations with external fields. In further analysis we focus on the question of existence of associated distributional limits
Externí odkaz:
http://arxiv.org/abs/1712.09690
Akademický článek
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We analyse an algorithm of transition between Cauchy problems for second-order wave equations and first-order symmetric hyperbolic systems in case the coefficients as well as the data are non-smooth, even allowing for regularity below the standard co
Externí odkaz:
http://arxiv.org/abs/1202.0406
We study existence, uniqueness, and distributional aspects of generalized solutions to the Cauchy problem for first-order symmetric (or Hermitian) hyperbolic systems of partial differential equations with Colombeau generalized functions as coefficien
Externí odkaz:
http://arxiv.org/abs/1107.5967
Autor:
Hörmann, Günther, Spreitzer, Christian
Publikováno v:
In Journal of Mathematical Analysis and Applications 15 April 2012 388(2):1166-1179
We discuss a direct Schr\"odinger equation set-up for the diffraction of a quantum particle at (almost) planar patterns with slit-type configurations. Physically meaningful initial values and potentials are modeled via regularizations and the solutio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46620e44548d14db3fcc2d2d578e6f6c