arXiv Open Access 2026

Discrete spectrum from local perturbations of leaky curves

Pavel Exner

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Abstrak

We discuss spectrum of a class of singular Schrödinger operator models known as leaky curves and show that if the interaction support has a periodic shape, its local perturbations can give rise to a discrete spectrum below the continuum threshold even if they are of `zero mean'.

Topik & Kata Kunci

math.SP

Penulis (1)

Pavel Exner

Format Sitasi

APA MLA BibTeX

Exner, P. (2026). Discrete spectrum from local perturbations of leaky curves. https://arxiv.org/abs/2601.18325

Akses Cepat

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Informasi Jurnal

Tahun Terbit: 2026
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓