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Dynamics of excitons and Coulomb beats in a quantum dot molecule
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10.1063/1.2359574
/content/aip/journal/apl/89/15/10.1063/1.2359574
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2359574
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Energy spectrum vs applied electric field; only the two lowest energy states shown; dotted lines: no Coulomb interaction; full lines: exciton. (b) Differences between the lowest excitonic energies. Resonances are seen at fields of and [values of the energy in (a) taken from the first lateral subband].

Image of FIG. 2.
FIG. 2.

(Color online) Average position in the direction for various electric fields; full lines—ground state; dashed lines—first excited state; blue (black)—electron; red (gray)—hole; WD, ND—wide and narrow dot regions (plot boundaries not in perfect match with structure’s endings).

Image of FIG. 3.
FIG. 3.

(Color online) (a) Spectrum showing the four lowest eigenenergies; circles’ sizes vary in proportion to the overlap shown in (b)—.

Image of FIG. 4.
FIG. 4.

(Color online) Dynamical evolution of the average position for the electron and the hole . (a) Reverse resonance ; (b) Direct resonance ; (c) zooming in the region indicated.

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/content/aip/journal/apl/89/15/10.1063/1.2359574
2006-10-10
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dynamics of excitons and Coulomb beats in a quantum dot molecule
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2359574
10.1063/1.2359574
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