Low-frequency optical excitations in zigzag carbon tori

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The low-frequency optical properties of zigzag carbon tori are studied within the gradient approximation. The absorption spectrum directly reflects the characteristics of the low-energy states. It exhibits a lot of peak structures. The spectrum intensity decreases as frequency increases. Excitation energies and spectrum intensity strongly depend on the toroid geometry, such as radius and width.

Original languageEnglish
Pages (from-to)3629-3632
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number7
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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