Unveiling the physics of the doped phase of the Kagome $t-J$ modelReportar como inadecuado



 Unveiling the physics of the doped phase of the Kagome $t-J$ model


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We investigate the ground state properties of the Kagome lattice $t-J$ model at low doping. We propose a new state of matter. Our results suggest an interesting phase with a balance of spin-exchange and kinetic exchange through the building blocks of stars and their internal hexagons, being linked by triangles. The particles favor to hop in the hexagons, while the spin-exchange is taking place mainly on the stars. The combined effect leads to the formation of the -Star of David- valence bond crystal. We discuss our result in connection with static impurities, and show the likely relevance to the diluted Kagome lattice Heisenberg model, describing actual compounds.



Autor: Siegfried Guertler; Hartmut Monien

Fuente: https://archive.org/







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