Green's functions at exceptional points

DOI10.1007/S10773-014-2428-7zbMath1329.81185OpenAlexW2317337689MaRDI QIDQ905192

W. D. Heiss

Publication date: 14 January 2016

Published in: International Journal of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10773-014-2428-7

zbMATH Keywords

Green's functionspectral singularities

Mathematics Subject Classification ID

Nonselfadjoint operator theory in quantum theory including creation and destruction operators (81Q12) Green's functions for elliptic equations (35J08)

Related Items (1)

Microscopic description of irreversibility in quantum Lorentz gas by complex spectral analysis of the Liouvillian outside the Hilbert space

Cites Work

• Three solvable matrix models of a quantum catastrophe
• Analytic perturbation theory for matrices and operators. Licensed ed
• Classes of linear operators. Vol. I
• Non-Hermitian Quantum Mechanics
• Signatures of three coalescing eigenfunctions
• Chirality of wavefunctions for three coalescing levels
• Degeneracy of resonances in a double barrier potential
• Coupling of eigenvalues of complex matrices at diabolic and exceptional points
• The physics of exceptional points
• Spectral singularities in ${\mathcal P}{\mathcal T}$-symmetric Bose–Einstein condensates
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