Coherent control of lattice deformations in quantum wires by optical self-trapping

Details Coherent control of lattice deformations in quantum wires by optical self-trapping Coherent control of lattice deformations in quantum wires by optical self-trapping

2004-10-22

arxiv.org/abs/cond-mat/0410593v2

Physics

Condensed Matter

Other Condensed Matter

4 pages

Scientific paper

We investigate theoretically a semiconductor quantum wire under the effect of an intense off-resonant cw laser. We show that in the regime of strong exciton-phonon coupling the light-dressed ground state of the wire reveals symmetry-breaking features, leading to local lattice deformations. Due to the off-resonant nature of the excitation, the deformations are reversible and controllable by the intensity and frequency of the laser. We calculate the light-induced strain forces on the lattice in the case of an organic quantum wire.

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