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Creators/Authors contains: "Sukharev, Maxim"

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  1. ; ; ( , The Journal of Chemical Physics)
    As in the case of a free particle, the initial growth of a broad (relative to lattice spacing) wavepacket placed on an ordered lattice is slow (its time derivative has zero initial slope), and the spread (root mean square displacement) becomes linear in t at a long time. On a disordered lattice, the growth is inhibited for a long time (Anderson localization). We consider site disorder with nearest-neighbor hopping on one- and two-dimensional systems and show via numerical simulations supported by the analytical study that the short time growth of the particle distribution is faster on the disordered lattice than on the ordered one. Such faster spread takes place on time and length scales that may be relevant to the exciton motion in disordered systems. 
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    Free, publicly-accessible full text available April 28, 2024
  2. ; ; ( , The Journal of Chemical Physics)

    We consider an ensemble of diatomic molecules resonantly coupled to an optical cavity under strong coupling conditions at normal incidence. Photodissociation dynamics is examined via direct numerical integration of the coupled Maxwell–Schrödinger equations with molecular rovibrational degrees of freedom explicitly taken into account. It is shown that the dissociation is significantly affected (slowed down) when the system is driven at its polaritonic frequencies. The observed effect is demonstrated to be of transient nature and has no classical analog. An intuitive explanation of the dissociation slowdown at polaritonic frequencies is proposed.

     
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  3. ; ; ; ; ( , Physical Review A)
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  4. ; ; ; ; ; ; ; ( , Nano Letters)
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  5. ; ; ; ; ; ; ; ( , The Journal of Physical Chemistry C)
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  6. ; ; ; ; ( , The Journal of Chemical Physics)
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  7. ; ; ; ; ( , The Journal of Chemical Physics)
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  8. ; ; ; ; ( , The Journal of Physical Chemistry Letters)
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  9. ; ; ; ; ; ( , Physical Review A)
  10. ; ( , Physical Review A)