Published May 1, 2008
| Published + Cover Image
Journal Article
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Nonmagnetic impurities in the spin-1/2 kagome antiferromagnet
- Creators
- Gregor, Karol
-
Motrunich, Olexei I.
Abstract
Motivated by recent experiments on ZnCu3(OH)6Cl2, we study the inhomogeneous Knight shifts (local susceptibilities) of a spin-1/2 kagome antiferromagnet in the presence of nonmagnetic impurities. Using high temperature series expansion, we calculate the local susceptibility and its histogram down to about T=0.4J. At low temperatures, we explore a Dirac spin liquid proposal and calculate the local susceptibility in the mean field and beyond mean field using Gutzwiller projection, finding the overall picture to be consistent with the NMR experiments.
Additional Information
© 2008 The American Physical Society. (Received 3 March 2008; published 20 May 2008) We thank J. Alicea, M.P.A. Fisher, S. Ryu, and R.R.P. Singh for useful discussions and the A.P. Sloan Foundation for financial support (OIM).Attached Files
Published - GREprb08.pdf
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Additional details
- Eprint ID
- 10650
- Resolver ID
- CaltechAUTHORS:GREprb08
- Alfred P. Sloan Foundation
- Created
-
2008-05-28Created from EPrint's datestamp field
- Updated
-
2021-11-08Created from EPrint's last_modified field