Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Y. B. Levinson"'
Publikováno v:
Physical Review B. 49:17191-17198
Publikováno v:
Physical Review B. 46:7002-7010
We calculate the scattering length for transitions between edge states in a two-dimensional electron gas due to short- and long-range impurities and acoustic phonons (deformation and piezoelectric interaction), assuming that the shape of the confinin
Autor:
G. O. Smith, Jürgen Kuhl, Tibor Juhasz, M. Klingenstein, Y. B. Levinson, S. Mehta, Walter E. Bron
Publikováno v:
Journal of Luminescence. 53:283-287
The dephasing of coherent longitudinal optical phonons is compared for the case of a thermally activated one-component plasma in n-type GaP and the dephasing in the presence of a two-component (electron-hole) plasma. Experimentation involves incohere
Autor:
Y. B. Levinson, Eugene V. Sukhorukov
Publikováno v:
Journal of Physics: Condensed Matter. 3:7291-7306
The authors discuss a two-dimensional electron gas cut along the half-axis x>0 by an infinitely high potential barrier and calculate the probability for an electron edge state to bend around the edge of the cut. The problem is solved exactly by the W
Autor:
S.M Badalian, Y. B. Levinson
Publikováno v:
Physics Letters A. 155:200-206
The emission spectrum for ballistic acoustic phonons in a quantizing magnetic field normal to the two-dimensional electron gas plane is calculated when the reflection of these phonons from a GaAs/AlGaAs type interface is taken into account. The phono
Autor:
Y. B. Levinson, D. V. Kazakovtsev
Publikováno v:
Lecture Notes in Physics ISBN: 9783540182443
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::706810cc1c8ad425001d9bed6f909b9d
https://doi.org/10.1007/3-540-18244-6_45
https://doi.org/10.1007/3-540-18244-6_45
Autor:
Y. B. Levinson, Eugene V. Sukhorukov
Publikováno v:
Physics Letters A. 149:167-171
Diffraction of edge states by small bumps on the boundary and through small windows in the boundary is studied. The irregularities of the boundary are assumed to be small compared to the magnetic length and the electron wavelength.
Autor:
Y. B. Levinson, D. V. Kazakovtsev
In most of the experiments with heat pulses the frequency spectrum of the nonequilibrium phonons does not differ very much from the equilibrium one. In this case nonequilibrity evolves only due to propagation in space (ballistic propagation, diffusio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d860618d6643a13d03e89578ccbf75e
https://doi.org/10.1142/9789814317344_0023
https://doi.org/10.1142/9789814317344_0023
Publikováno v:
Physical review. B, Condensed matter. 45(20)
The conductance G of the two-dimensional electron gas in the presence of an impurity in the central cross section of the split-gate constriction is calculated. The confining potential of the constriction is assumed to be a saddle-point potential, and
Publikováno v:
Physical review letters. 68(15)
The interaction of an optically induced nonstationary electron-hole plasma with coherently excited optical phonons in GaP has been investigated through time-resolved coherent anti-Stokes Raman spectroscopy. Nonexponential optical-phonon dephasing is