New Route to Frustration by Quantum Many-Body Effects in the Spin Liquid Pyrochlore Tb$_2$Ti$_2$O$_7$
In this thesis we investigate the frustrated spin liquid Tb$_2$Ti$_2$O$_7$ theoretically. The low-energy effective Hamiltonian of this compound is derived by integrating out the excited crystal field states. It is shown that the pairwise interaction in the effective Hamiltonian is renormalized by...
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| Format: | Others |
| Language: | en |
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2007
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| Online Access: | http://hdl.handle.net/10012/3091 |
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