On the spectrum of two quantum layers coupled by a window

dc.creatorBorisov, Denis
dc.date2007-02-08
dc.date.accessioned2026-07-07T07:45:32Z
dc.date.available2026-07-07T07:45:32Z
dc.descriptionWe consider the Dirichlet Laplacian in a domain two three-dimensional parallel layers having common boundary and coupled by a window. The window produces the bound states below the essential spectrum; we obtain two-sided estimates for them. It is also shown that the eigenvalues emerge from the threshold of essential spectrum as the window passes through certain critical shapes. We prove the necessary condition for the window to be of critical shape. Under an additional assumption we show that this condition is sufficient and obtain the asymptotic expansion for the emerging eigenvalue as well as for the associated eigenfunction.
dc.identifierhttps://arxiv.org/abs/math-ph/0702023
dc.identifierhttp://arxiv.org/abs/math-ph/0702023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/123559
dc.subjectMathematical Physics
dc.titleOn the spectrum of two quantum layers coupled by a window
dc.typetext

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