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| Título: | Dimer-resonating valence bond state of the four-leg Heisenberg ladder: Interference among resonances |
Autor: | Roncaglia, M.; Sierra, Germán CSIC ORCID; Martín-Delgado, Miguel Ángel | Fecha de publicación: | 1999 | Editor: | American Physical Society | Citación: | Physical Review B 60: 12134- 12137 (1999) | Resumen: | We study the ground state of the four-leg spin ladder using a dimer-resonating valence bond (RVB) ansatz and the Lanczos method. Besides the well-known resonance mechanism between valence bond configurations we find interference effects among nearby resonances. These effects were missed by standard factorizing approaches to the RVB states. ©1999 The American Physical Society. | URI: | http://hdl.handle.net/10261/99531 | DOI: | 10.1103/PhysRevB.60.12134 | Identificadores: | doi: 10.1103/PhysRevB.60.12134 issn: 0163-1829 |
| Aparece en las colecciones: | (CFMAC-IFF) Artículos |
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| MRoncaglia.pdf | 67 kB | Adobe PDF |  Visualizar/Abrir |
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