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pro vyhledávání: '"Steinacker, H."'
We examine gauge theories defined in higher dimensions where theextra dimensions form a fuzzy (finite matrix) manifold. First we reinterpret these gauge theories as four-dimensional theories with Kaluza-Klein modes and then we perform a generalized \
Externí odkaz:
http://arxiv.org/abs/0704.2880
Autor:
Grosse, H., Steinacker, H.
Publikováno v:
JHEP0608:008,2006
We study the quantization of the noncommutative selfdual \phi^3 model in 4 dimensions, by mapping it to a Kontsevich model. The model is shown to be renormalizable, provided one additional counterterm is included compared to the 2-dimensional case wh
Externí odkaz:
http://arxiv.org/abs/hep-th/0603052
Autor:
Grosse, H., Steinacker, H.
Publikováno v:
Nucl.Phys.B746:202-226,2006
We point out that the noncommutative selfdual phi^3 model can be mapped to the Kontsevich model, for a suitable choice of the eigenvalues in the latter. This allows to apply known results for the Kontsevich model to the quantization of the field theo
Externí odkaz:
http://arxiv.org/abs/hep-th/0512203
Autor:
Steinacker, H.
We discuss the second quantization of scalar field theory on the q-deformed fuzzy sphere S^2_{q,N} for q \in \R, using a path-integral approach. We find quantum field theories which are manifestly covariant under U_q(su(2)), have a smooth limit q ->
Externí odkaz:
http://arxiv.org/abs/hep-th/0105126
Publikováno v:
J.Geom.Phys. 43 (2002) 205-240
We study the second quantization of field theory on the q-deformed fuzzy sphere for real q. This is performed using a path-integral over the modes, which generate a quasiassociative algebra. The resulting models have a manifest U_q(su(2)) symmetry wi
Externí odkaz:
http://arxiv.org/abs/hep-th/0103164
Publikováno v:
Int.J.Mod.Phys. D9 (2000) 161-199
The propagator is calculated on a noncommutative version of the flat plane and the Lobachevsky plane with and without an extra (euclidean) time parameter. In agreement with the general idea of noncommutative geometry it is found that the limit when t
Externí odkaz:
http://arxiv.org/abs/hep-th/9903239
Akademický článek
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Publikováno v:
Physics of Atomic Nuclei. Dec2001, Vol. 64 Issue 12, p2116. 5p.
Autor:
Steinacker, H.
Publikováno v:
Historische Zeitschrift, 1934 Jan 01. 150(2), 445-446.
Externí odkaz:
https://www.jstor.org/stable/27607495
Autor:
Claar, M., Steinacker, H.
Publikováno v:
Historische Zeitschrift, 1933 Jan 01. 148(2), 445-448.
Externí odkaz:
https://www.jstor.org/stable/27607247