Alternating field-induced phase transition in zigzag carbon nanotubes

Белоненко, М. Б.; Лебедев, Н. Г.; Yanyushkina, N. N.

doi:10.1007/s10946-010-9163-1

Cited by 1 publication

(2 citation statements)

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“…Electric field E ⊥ has no effect on the dynamics of electrons due to the absence of the conductivity in the (y, z) plane. Expression (14) shows that field E ⊥ appears due to the perturbation of the conduction-electrons density and the presence of the scalar potential. This field is determined by the projection of vector −∇φ onto the (y, z) plane.…”

Section: E Characteristics Of the Pulse Fieldmentioning

confidence: 99%

“…[8,9]) are manifestations of a number of nonlinear electrodynamic properties similar to those in semiconductors with a superstructure, for instance, in quantum semiconductor superlattices [11,12]. Non-quadratic electron dispersion suggests a possibility of realization (in electric fields of moderate strength ∼ 10 3 -10 5 V/cm) of diverse nonlinear phenomena, such as nonlinear and absolute negative conductivity [13,14], phase transitions of the first kind induced by the applied external field [14], nonlinear diffraction and self-focusing of laser beams [15,16], electromagnetic solitary waves [17], etc.…”

Section: Introductionmentioning

confidence: 99%

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Collisions of three-dimensional bipolar optical solitons in an array of carbon nanotubes

Zhukov,

Bouffanais,

Malomed

et al. 2016

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We study interactions of extremely short three-dimensional bipolar electromagnetic pulses propagating towards each other in an array of semiconductor carbon nanotubes, along any direction perpendicular to their axes. The analysis provides a full account of the effects of the nonuniformity of the pulses' fields along the axes. The evolution of the electromagnetic field and charge density in the sample is derived from the Maxwell's equations and the continuity equation, respectively. In particular, we focus on indirect interaction of the pulses via the action of their fields on the electronic subsystem of the nanotube array. Changes in the shape of pulses in the course of their propagation and interaction are analyzed by calculating and visualizing the distribution of the electric field in the system. The numerical analysis reveals a possibility of stable post-collision propagation of pulses over distances much greater than their sizes.

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Section: E Characteristics Of the Pulse Fieldmentioning

confidence: 99%