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The role of the multiorbital effects on the emergence of frustratedelectronic orders on the triangular lattice at half filling is investigatedthrough an extended spinless fermion Hubbard model. By using two complementaryapproaches, unrestricted Hartree-Fock and exact diagonalizations, we unravel avery rich phase diagram controlled by the strength of both local and off-siteCoulomb interactions and by the interorbital hopping anisotropy ratio $t'/t$.Three robust unconventional electronic phases, a pinball liquid, an inversepinball liquid, and a large-unit-cell $\sqrt{12} \times \sqrt{12}$ dropletphase, are found to be generic in the triangular geometry, being controlled bythe band structure parameters. The latter are also stabilized in the isotropiclimit of our microscopic model, which recovers the standard SU(2) spinfulextended single-band Hubbard model.

Multiorbital kinetic effects on charge ordering of frustrated electrons on the triangular lattice