Pais–Uhlenbeck oscillator and negative energies

DOI10.1142/S0219887816300154zbMath1351.81049arXiv1607.06589MaRDI QIDQ2830961

Matej Pavšič

Publication date: 1 November 2016

Published in: International Journal of Geometric Methods in Modern Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1607.06589

zbMATH Keywords

ghostshigher derivative theoriesPais-Uhlenbeck oscillatornegative energiesindefinite Hamiltonianvacuum delay

Mathematics Subject Classification ID

Model quantum field theories (81T10) Hamilton's equations (70H05) Quantization of the gravitational field (83C45) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10)

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Cites Work

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• On the problem of stability for higher-order derivative Lagrangian systems
• Physical states in matter-coupled dilaton gravity
• ON THE STABILITY OF COHERENT STATES FOR PAIS–UHLENBECK OSCILLATOR
• Stable interactions via proper deformations
• On the unitarity of higher derivative and nonlocal theories
• Remarks on quantization of Pais–Uhlenbeck oscillators

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