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Anisotropic vortex pinning in the β-pyrochlore oxide superconductor KOs2O6

✍ Scribed by Y. Ishii; J. Yamaura; Y. Okamoto; A. Maeda; Z. Hiroi

Book ID
113850518
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
348 KB
Volume
471
Category
Article
ISSN
0921-4534

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📜 SIMILAR VOLUMES

Effective Hamiltonian for potassium dyna
Effective Hamiltonian for potassium dynamics in theβ-pyrochlore superconductor KOs2O6
✍ Kuneš, J. ;Pickett, W. E. 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 322 KB

## Abstract Based on __ab initio__ energies and forces we construct an effective Hamiltonian for anharmonic dynamics of potassium cations in the __β__ ‐pyrochlore compound KOs~2~O~6~. We solve numerically the single‐site problem which is characterized by an extremely flat potential well allowing fo