Tight-binding supercell calculation of (111) LAO/STO interface with confinement and mean-field Hubbard terms reproduces ARPES sub-bands and shows interaction-induced density enhancement between interface and bulk.
The Hamiltonian (A3) becomes the following HTB = 2Re(Ht) ( 1− κ2 2 ) − 2Im(Ht)κ
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Effect of confinement and Coulomb interactions on the electronic structure of (111) LaAlO$_3$/SrTiO$_3$ interface
Tight-binding supercell calculation of (111) LAO/STO interface with confinement and mean-field Hubbard terms reproduces ARPES sub-bands and shows interaction-induced density enhancement between interface and bulk.