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pdf, 9 MiB - Infoscience - EPFL

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72 CHAPTER 3. T-J MODEL ON THE TRIANGULAR LATTICE<br />

0<br />

0<br />

-0.2<br />

-0.5<br />

e pot<br />

e kinetic<br />

-0.4<br />

-1<br />

0 0.4 0.8<br />

Electron doping δ<br />

0 0.4 0.8<br />

Electron doping δ<br />

Figure 3.12: Kinetic (e Kinetic ) and exchange energy (e pot. ) per site for the<br />

Gutzwiller wavefunction (bold line), the commensurate flux phase with 2π/3<br />

flux per plaquette (open circles) and with π/2 flux per plaquette (dashed line),<br />

the d + /AF/J wavefunction (open squares).

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