most citedSpectral asymptotics for periodic fourth order operators

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math.SP2005

The Lyapunov function for Schrödinger operators with a periodic 2x2 matrix potential

Andrei Badanin, Jochen Brüning, Evgeny Korotyaev

We consider the Schrödinger operator on the real line with a 2x2 matrix valued 1-periodic potential. The spectrum of this operator is absolutely continuous and consists of interval…

math.SP2005★ 6 cited

Spectral asymptotics for periodic fourth order operators

Andrei Badanin, Evgeny Korotyaev

We consider the operator on the real line with a real periodic potential . The spectrum of this operator is absolutely continuous and consists of intervals separat…