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quant-ph2014★ 10 cited
Wannier-Stark states in double-periodic lattices II: two-dimensional lattices
E. N. Bulgakov, D. N. Maksimov, A. R. Kolovsky
We analyze the Wannier-Stark spectrum of a quantum particle in tilted two-dimensional lattices with the Bloch spectrum consisting of two subbands, which could be either separated b…
quant-ph2014★ 18 cited
Wannier-Stark states in double-periodic lattices I: one-dimensional lattices
D. N. Maksimov, E. N. Bulgakov, A. R. Kolovsky
We analyze the Wannier-Stark spectrum of a quantum particle in generic one-dimensional double-periodic lattices. In the limit of weak static field the spectrum is shown to be a sup…