A return to observability near exceptional points in a schematic \(\mathcal P\mathcal T\)-symmetric model
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Publication:712983
DOI10.1016/J.PHYSLETB.2007.01.046zbMath1248.81050arXivquant-ph/0701232OpenAlexW2040642879MaRDI QIDQ712983
Publication date: 18 October 2012
Published in: Physics Letters. B (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/quant-ph/0701232
Related Items (9)
Anomalous mechanisms of the loss of observability in non-Hermitian quantum models ⋮ Classification of the conditionally observable spectra exhibiting central symmetry ⋮ Solvable model of quantum phase transitions and the symbolic-manipulation-based study of its multiply degenerate exceptional points and of their unfolding ⋮ The Coulomb potential and the paradoxes of PT symmetrization ⋮ \({\mathcal{PT}}\)-symmetric periodic optical potentials ⋮ Conditional observability ⋮ Projective Hilbert space structures at exceptional points ⋮ Smeared quantum lattices exhibiting 𝒫𝒯-symmetry with positive 𝒫 ⋮ Exceptional points and domains of unitarity for a class of strongly non-Hermitian real-matrix Hamiltonians
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- Equivalence of unstable anharmonic oscillators and double wells
- Systematic search for 𝒫𝒯-symmetric potentials with real energy spectra
- Closed formula for the metric in the Hilbert space of a -symmetric model
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