PMID: 15245176Jul 13, 2004Paper

Ground state phases of the half-filled one-dimensional extended hubbard model

Physical Review Letters
Anders W SandvikDavid K Campbell

Abstract

Using quantum Monte Carlo simulations, results of a strong-coupling expansion, and Luttinger liquid theory, we determine quantitatively the ground state phase diagram of the one-dimensional extended Hubbard model with on-site and nearest-neighbor repulsions U and V. We show that spin frustration stabilizes a bond-ordered (dimerized) state for U approximately V/2 up to U/t approximately 9, where t is the nearest-neighbor hopping. The transition from the dimerized state to the staggered charge-density-wave state for large V/U is continuous for U < or approximately 5.5 and first order for higher U.

References

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Oct 4, 2003·Physical Review Letters·Anders W SandvikDavid K Campbell

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Citations

Jan 11, 2019·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Yuan-Yuan XiangChun-Mei Tang
Mar 12, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·M MierzejewskiJ Dajka
Oct 4, 2005·Physical Review Letters·R T Clay, R P Hardikar
Feb 21, 2006·Physical Review Letters·Ka-Ming TamDavid K Campbell
Nov 26, 2016·Physical Review Letters·Martin Hohenadler
Feb 1, 2008·Physical Review Letters·Satoshi Ejima, Satoshi Nishimoto

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