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Quantum entanglement and drifting generated by an AC field resonant with frequency-doubled Bloch oscillations of correlated particles | | W.S. Dias
; F.A.B.F. de Moura
; M. L. Lyra
; | | Date: |
25 Sep 2015 | | Abstract: | We show that initially localized and uncorrelated two-particles quantum
wavepackets evolving in a one-dimensional discrete lattice become strongly
entangled while drifting under the action of an harmonic AC field resonant with
doubled Bloch oscillations promoted by a static DC field. Although partial
entanglement is achieved when the AC field is resonant with the single-particle
Bloch oscillations, it is strongly limited by the survival of anti-correlated
unbounded states. We further show that the phase dependence of the wavepacket
centroid velocity is similar to the semiclassical behavior depicted by a
single-particle. However, the drift velocity exhibits a non-trivial
non-monotonic dependence on the interaction strength, vanishing in the limit of
uncorrelated particles, that unveils its competing influence on unbounded and
bounded states. | | Source: | arXiv, 1509.7829 | | Services: | Forum | Review | PDF | Favorites | |
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