In this thesis, we develop a dynamical mean field approach to strongly correlated electron systems. Our approach is based on the standard limit of infinite dimensions but goes beyond that by treating inter-unit-cell interactions on an equal footing with intra-unit-cell ones. We then apply this approach to the extended Hubbard model. We identify a non-Fermi liquid state in this model. This novel state displays the intriguing phenomenon of spin-charge separation.
| Identifer | oai:union.ndltd.org:RICE/oai:scholarship.rice.edu:1911/17300 |
| Date | January 1999 |
| Creators | Smith, John Lleweilun |
| Contributors | Si, Qimiao |
| Source Sets | Rice University |
| Language | English |
| Detected Language | English |
| Type | Thesis, Text |
| Format | 54 p., application/pdf |
Page generated in 0.0378 seconds