Conformal Newton-Hooke algebras, Niederer's transformation and Pais-Uhlenbeck oscillator

被引:32
作者
Andrzejewski, Krzysztof [1 ]
机构
[1] Univ Lodz, Dept Comp Sci, PL-90236 Lodz, Poland
关键词
SYMMETRY; INVARIANCE; GEOMETRY;
D O I
10.1016/j.physletb.2014.10.008
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Dynamical systems invariant under the action of the l-conformal Newton-Hooke algebras are constructed by the method of nonlinear realizations. The relevant first order Lagrangians together with the corresponding Hamiltonians are found. The relation to the Galajinsky and Masterov [24] approach as well as the higher derivatives formulation is discussed. The generalized Niederer's transformation ispresented which relatesthe systems under consideration to those invariant under the action of the l-conformal Galilei algebra [25]. As a nice application of these results an analogue of Niederer's transformation, on the Hamiltonian level, for the Pais-Uhlenbeck oscillator is constructed. (C) 2014 The Author. Published by Elsevier B. V. This is an open access article under the CC BY license (http://creativecommons. org/licenses/by/3.0/). Funded by SCOAP(3).
引用
收藏
页码:405 / 411
页数:7
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