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Figure 5
Excitation spectrum of the modulated 1D chain as a function of the modulation vector. For each value of the modulation wavevector the spectrum is projected on a vertical energy axis. Large-gap openings are observed from de Lange & Janssen (1981BB42).

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ISSN: 2053-2733
Volume 75| Part 2| March 2019| Pages 273-280
https://doi.org/10.1107/S2053273318016765
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