Article ID Journal Published Year Pages File Type
10726965 Physics Letters A 2012 5 Pages PDF
Abstract
► Ground-state energy of quantum graphs depends on their geometry. ► For chains with attractive delta coupling shorter edges mean stronger binding. ► If the graph has nontrivial branchings, the opposite may be true.
Keywords
Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
Preview
On the ground state of quantum graphs with attractive δ-coupling
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