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Crystalline Order on a Sphere and the Generalized Thomson Problem | | Mark Bowick
; Angelo Cacciuto
; David R. Nelson
; Alex Travesset
; | | Date: |
10 Jun 2002 | | Journal: | Phys. Rev. Lett. 89 (2002) 185502 | | Subject: | Soft Condensed Matter | cond-mat.soft | | Affiliation: | Syracuse), Angelo Cacciuto (Syracuse), David R. Nelson (Harvard) and Alex Travesset (UIUC | | Abstract: | We attack generalized Thomson problems with a continuum formalism which exploits a universal long range interaction between defects depending on the Young modulus of the underlying lattice. Our predictions for the ground state energy agree with simulations of long range power law interactions of the form 1/r^{gamma} (0 < gamma < 2) to four significant digits. The regime of grain boundaries is studied in the context of tilted crystalline order and the generality of our approach is illustrated with new results for square tilings on the sphere. | | Source: | arXiv, cond-mat/0206144 | | Other source: | [GID 119598] pmid12398614 | | Services: | Forum | Review | PDF | Favorites | |
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