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Quantum graphs featuring unusual self-adjoint extensions

open access: yesActa Polytechnica
We present an example of a simple quantum graph with “vertices at infinity”, which appear due a strongly attractive potential making the spectral problem quantum-mechanically incomplete. We construct the appropriate self-adjoint extensions of the formal graph Hamiltonian, and derive their spectral properties.
openaire   +1 more source

Towards Modelling QFT in Real Metamaterials: Singular Potentials and Self-Adjoint Extensions [PDF]

open access: diamond, 2017
L. M. Nieto   +4 more
openalex   +1 more source

Wearable Sensor-Based Gait Analysis in Benign Paroxysmal Positional Vertigo: Quantitative Assessment of Residual Dizziness Using the φ-Bonacci Framework. [PDF]

open access: yesLife (Basel)
Francavilla B   +9 more
europepmc   +1 more source

Self-adjoint extensions and spectral analysis in the generalized Kratzer problem [PDF]

open access: green, 2011
M. C. Baldiotti   +3 more
openalex   +1 more source

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