Zobrazeno 1 - 10 of 109 pro vyhledávání: '"H. Bacry"'
1
A Generalized Interpretation of the Lorentz and Thomas-Bargmann-Michel-Telegdi Equations
Autor: H. Bacry
Publikováno v: Annals of Physics. 236:286-296
We associate with an arbitrary system its Poincare observables. In supposing that its interaction is governed by a Hamiltonian formalism and in imposing Lorentz invariance, we show that the evolution is described by two equations which have the form
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64a35e1d1715187a556a0613e082908c
https://doi.org/10.1006/aphy.1994.1113
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2
Which deformations of the Poincare group?
Autor: H Bacry
Publikováno v: Journal of Physics A: Mathematical and General. 26:5413-5426
We analyse the present status of Poincare group in considering it as a fundamental object independent of the Minkowski space. We examine the observables associated with it. After having introduced the notion of kinematical observable, we derive the c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24e8b88e0996e71a3abfc8a1af666f02
https://doi.org/10.1088/0305-4470/26/20/024
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4
Symmetry and classification of energy bands in crystals
Autor: H. Bacry, J. Zak, Louis Michel
Publikováno v: Group Theoretical Methods in Physics ISBN: 3540502459
An energy band in a solid contains an infinite number of states which transform linearly as a space group representation induced from a finite dimensional representation of the isotropy group of a point in space. A band representation is elementary i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6249f34a3ff71ee5d59e6fdd063e6050
https://doi.org/10.1007/bfb0012290
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5
Comment on 'The relationship between the symmetries of and the existence of conserved vectors for the equation r..+f(r)L+g(r)=0'
Autor: H Bacry
Publikováno v: Journal of Physics A: Mathematical and General. 24:1157-1159
For original paper see ibid., vol.23, p.2765 (1990). The author comments on a recent paper by Leach and Gorringe (1990). His aim is to correct an incorrect statement and to examine why the groups SO4 and SU3 are the only compact dynamical groups for
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https://doi.org/10.1088/0305-4470/24/5/028
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6
Akademický článek
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7
Pure classical SU(2) Yang-Mills theory with potentials invariant under a U(1) gauge subgroup
Autor: J. Nuyts, H. Bacry
Publikováno v: Nuclear Physics B. 151:469-484
The present article is devoted to pure SU(2) classical Yang-Mills theories whose potentials are invariant under a U(1) gauge subgroup. Such potentials are shown to be associated with classical Maxwell-like fields with magnetic sources, as 't Hooft's
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1ba02465f3287d8cb909ede622af456
https://doi.org/10.1016/0550-3213(79)90451-6
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8
Boson algebra as a symplectic Clifford algebra
Autor: M. Boon, H. Bacry
Publikováno v: Journal of Mathematical Physics. 28:2639-2649
It is well known that the n‐fermion algebra is a complex Clifford algebra of dimension 22n with the orthogonal group O(2n,C) as group of automorphisms. The n‐boson algebra viewed similarly as a complex ‘‘symplectic Clifford’’ algebra is i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd3ad039a2fe62ccfcd59b9f55b6e6ec
https://doi.org/10.1063/1.527756
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