Generalized Niederer's transformation for quantum Pais-Uhlenbeck oscillator
arXiv:1506.04909 · doi:10.1016/j.nuclphysb.2015.10.012
Abstract
We extend, to the quantum domain, the results obtained in [Nucl. Phys. B 885 (2014) 150] and [Phys. Lett. B 738 (2014) 405] concerning the Niederer's transformation for the Pais-Uhlenbeck oscillator. Namely, the quantum counterpart (an unitary operator) of the transformation which maps the free higher derivatives theory into the Pais-Uhlenbeck oscillator is constructed. Some consequences of this transformation are discussed.
18 pages, minor changes, published version
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