Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2008-01-24
PHYSICAL REVIEW LETTERS 101, 030405 (2008)
Physics
Condensed Matter
Other Condensed Matter
Submitted to Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.101.030405
It is shown that by properly designing the spatial dependence of the nonlinearity it is possible to induce long-living Bloch oscillations of a localized wavepacket in a periodic potential. The results are supported both by analytical and numerical investigations and are interpreted in terms of matter wave dynamics displaying dozens of oscillation periods without any visible distortion of the wave packet.
Bludov Yu. V.
Konotop Vladimir V.
Salerno Mario
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