Spectral properties of hexagonal lattices with the -R coupling

We analyze the spectrum of the hexagonal lattice graph with a vertex coupling which manifestly violates the time reversal invariance and at high energies it asymptotically decouples edges at even degree vertices; a comparison is made to the case when such a decoupling occurs at odd degree vertices....

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Hauptverfasser:	Exner, Pavel, Pekař, Jan
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Mathematical Physics Mathematics - Spectral Theory Physics - Mathematical Physics Physics - Quantum Physics
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