Influence of Damped Propagation of Dopant on the Excitation Kinetics of Doped Quantum Dots

Pal, Suvajit; Datta, Nirmal Kumar; Ghosh, Manas

doi:10.1021/jp404300e

Cited by 5 publications

(2 citation statements)

References 53 publications

(92 reference statements)

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“…However, the expressions of various related terms () are changed as they now contain

ζ

and read as follows :

γ false(t false) = γ_{0} exp false(- η \sqrt{Λ_{1} + Λ_{2} t + Λ_{3} t^{2}} false) exp false(- ζ t false)

, where

Λ_{1} = x_{0}^{2} + y_{0}^{2}

Λ_{2} = 2 false(a x_{0} + b y_{0} false)

, and

Λ_{3} = a^{2} + b^{2}

. The relevant

w false(t false)

and

v false(t false)

functions () grossly look like

w_{1} false(t false) = \frac{γ false(t false)}{α^{2} + γ false(t false)}

w_{2} false(t false) = \frac{γ false(t false)}{β^{2} + γ false(t false)}

v_{1} false(t false) = α x_{0} false(t false) \sqrt{\frac{γ false(t false)}{α^{2} + γ false(t false)}}

, and

v_{2} false(t false) = β y_{0} false(t false) \sqrt{\frac{γ false(t false)}{β^{2} + γ false(t false)}}

.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Coupled influence of damped propagation of dopant and external oscillatory field on excitation kinetics of doped quantum dot

Pal¹,

Ghosh

2013

Phys. Status Solidi B

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We investigate the excitation kinetics of a repulsive impurity doped quantum dot exposed to external oscillatory field. The dopant is considered to be propagating under damped condition. Such a propagation bears importance because of its intimate connection with impurity drift in nanodevices. For simplicity, we have considered an inherently linear motion of the dopant and impurity potential has been assumed to have a Gaussian nature. The interplay between the damping strength and the characteristic parameters of external field has been found to fabricate the kinetics in a delicate way. The present investigation could provide some useful perceptions in nanoelectronic applications.

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“…However, the expressions of various related terms () are changed as they now contain

ζ

and read as follows :

γ false(t false) = γ_{0} exp false(- η \sqrt{Λ_{1} + Λ_{2} t + Λ_{3} t^{2}} false) exp false(- ζ t false)

, where

Λ_{1} = x_{0}^{2} + y_{0}^{2}

Λ_{2} = 2 false(a x_{0} + b y_{0} false)

, and

Λ_{3} = a^{2} + b^{2}

. The relevant

w false(t false)

and

v false(t false)

functions () grossly look like

w_{1} false(t false) = \frac{γ false(t false)}{α^{2} + γ false(t false)}

w_{2} false(t false) = \frac{γ false(t false)}{β^{2} + γ false(t false)}

v_{1} false(t false) = α x_{0} false(t false) \sqrt{\frac{γ false(t false)}{α^{2} + γ false(t false)}}

, and

v_{2} false(t false) = β y_{0} false(t false) \sqrt{\frac{γ false(t false)}{β^{2} + γ false(t false)}}

.…”

Section: Methodsmentioning

confidence: 99%

“…This materializes many other interesting quantum optical experiments on these man‐made atoms (). Prior to the present work we have made some investigations on excitation kinetics of QD insisted by damped propagation of dopant, in absence of any external field .…”

Section: Introductionmentioning

confidence: 99%