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Topological Quantum Computing
Solitons in one-dimensional lattices with a flat band
arXiv
Authors: D. Bercioux, O. Dutta, E. Rico
Year
2016
Paper ID
43461
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
We investigate the spectral properties of a quasi-one-dimensional lattice in two possible dimerisation configurations. Both configurations are characterized by the same lattice topology and the identical spectra containing a flat band at zero energy. We find that one of the dimerised configuration has similar symmetry to a one-dimensional chain proposed by Su-Schrieffer-Heeger for studying solitons in conjugated polymers. Whereas, the other dimerised configuration only shows non-trivial topological properties in the presence of chiral-symmetry breaking adiabatic pumping.
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- This paper contributes to the Topological Quantum Computing research area in the Quantum Articles archive.
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- We investigate the spectral properties of a quasi-one-dimensional lattice in two possible dimerisation configurations.
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