Trapping in quantum chains
classification
🌊 nlin.PS
keywords
breatherlatticequantumstateanharmonicblochbreakchains
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A quantum breather on a translationally invariant one-dimensional anharmonic lattice is an extended Bloch state with two or more particles in a strongly correlated state. We discuss several effects that break the lattice symmetry and lead to spatial localization of the breather.
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