Desiging Artificial Lieb Lattice on Metal Surface
arXiv:1609.01876 · doi:10.1103/PhysRevB.94.241409
Abstract
Recently, several experiments have illustrated that metal surface electrons can be manipulated to form a two dimensional (2D) lattice by depositing a designer molecule lattice on metal surface. This offers a promising new technique to construct artificial 2D electron lattices. Here we theoretically propose a molecule lattice pattern to realize an artificial Lieb lattice on metal surface, which shows a flat electronic band due to the lattice geometry. We show that the localization of electrons in the flat band may be understood from the viewpoint of electron interference, which may be probed by measuring the local density of states with the scanning tunnelling microscopy. Our proposal may be readily implemented in experiment and may offer an ideal solid state platform to investigate the novel flat band physics of the Lieb lattice.
arXiv comment5 pages, 4 figures
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Cited by in corpus (24)
- Artificial flat band systems: from lattice models to experiments
- Experimental realization and characterization of an electronic Lieb lattice
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- Quantum-statistical theory for laser-tuned transport and optical conductivities of dressed electrons in $α-\mc{T}_3$ materials
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