Gap Control by Singular Schrödinger Operators in a Periodically Structured Metamaterial

• Published in: Журнал математической физики, анализа, геометрии
• Date: 2018
• Main Authors: Exner, Pavel, Khrabustovskyi, Andrii
• Format: Article
• Language: English
• Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2018
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/145875
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Gap Control by Singular Schrödinger Operators in a Periodically Structured Metamaterial / Pavel Exner, Andrii Khrabustovskyi // Журнал математической физики, анализа, геометрии. — 2018. — Т. 14, № 3. — С. 270-285. — Бібліогр.: 13 назв. — англ.

We consider a family {Hε}ε>0 of εZⁿ-periodic Schrödinger operators with δ′-interactions supported on a lattice of closed compact surfaces; within a minimum period cell one has m ∊ N surfaces. We show that in the limit when ε→0 and the interactions strengths are appropriately scaled, Hε has at m...