Search Results - "PUSEP, Yu. A"

Diffusion of Photoexcited Holes in a Viscous Electron Fluid by Pusep, Yu A, Teodoro, M D, Laurindo, V, Cardozo de Oliveira, E R, Gusev, G M, Bakarov, A K

“…The diffusion of photogenerated holes is studied in a high-mobility mesoscopic GaAs channel where electrons exhibit hydrodynamic properties. It is shown that…”
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Circularly polarized photoluminescence as a probe of density of states in GaAs/AlGaAs quantum Hall bilayers by Pusep, Yu A, Fernandes dos Santos, L, Gusev, G M, Smirnov, D, Bakarov, A K

“…Polarized magnetophotoluminescence is employed to study the energies and occupancies of four lowest Landau levels in a couple quantum Hall GaAs/AlGaAs double…”
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Quantum oscillations of spin polarization in a GaAs/AlGaAs double quantum well by dos Santos, L. Fernandes, Pusep, Yu. A., Villegas-Lelovsky, L., Lopez-Richard, V., Marques, G. E., Gusev, G. M., Smirnov, D., Bakarov, A. K.

“…We employ the circular-polarization-resolved magnetophotoluminescence technique to probe the spin character of electron and hole states in a GaAs/AlGaAs…”
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Magnetic field induced charge redistribution in artificially disordered quantum Hall superlattices by Fernandes dos Santos, L, Pusep, Yu. A, Gusev, G. M, Bakarov, A. K, Toropov, A. I

“…The photoluminescence from individual quantum wells of artificially disordered weakly coupled multi-layers embedded in wide AlGaAs parabolic wells was…”
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Effect of magnetic field on recombination dynamics in random electron systems by Tito Patricio, M A, Pusep, Yu A

“…Abstract The evolution of localized electron states with increasing magnetic field is studied using time-resolved photoluminescence in GaAs/AlGaAs short-period…”
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Spin relaxation of holes in In0.53Ga0.47As/InP quantum wells by Tito Patricio, M.A., Tavares, B.G.M., Jacobsen, J.M., Teodoro, M.D., LaPierre, R.R., Pusep, Yu.A.

“…Polarization-resolved photoluminescence was used to study spin relaxation of photoexcited holes in In0.53Ga0.47As/InP quantum wells in a quantizing magnetic…”
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Compressibility of electron liquid in the quantized Hall phase of GaAs/AlGaAs multi-layers by Pusep, Yu.A., Chiquito, A.J., Arakaki, H., de Souza, C.A.

“…Magneto-capacitance was studied in narrow miniband GaAs/AlGaAs superlattices where quasi-two dimensional electrons revealed the integer quantum Hall effect…”
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Coherence of elementary excitations in a disordered electron system by PUSEP, Yu. A, RIBEIRO, M. B, CARRASCO, V. E, ZANELATTO, G, GALZERANI, J. C

“…The localization properties of the single-particle and collective electron excitations were investigated in the intentionally disordered GaAs/AlGaAs…”
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Spectroscopic evidence of quantum Hall interlayer tunneling gap collapse caused by tilted magnetic field in a GaAs/AlGaAs triple quantum well by Fernandes dos Santos, L., Barbosa, B. G., Gusev, G. M., Ludwig, J., Smirnov, D., Bakarov, A. K., Pusep, Yu. A.

“…Magnetophotoluminescence and magnetotransport were studied in a GaAs/AlGaAs triple quantum well. Oscillations of the photoluminescence intensity observed in…”
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Dynamics of photoexcited carriers in the presence of disorder in radial heterostructured GaAs/AlGaAs/GaAs nanowires by Guimarães, F. E. G., Caface, R. A., Arakaki, H., de Souza, C. A., Pusep, Yu. A.

“…Time-resolved photoluminescence was employed to study electron-hole dynamics in radial heterostructured GaAs/AlGaAs/GaAs core/inner shell/outer shell…”
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A study of disorder effects in random ( Al x Ga 1 − x As ) n ( Al y Ga 1 − y As ) m superlattices embedded in a wide parabolic potential by Pusep, Yu A., Mohseni, P. K., LaPierre, R. R., Bakarov, A. K., Toropov, A. I.

“…A photoluminescence (PL) study of the individual electron states localized in a random potential is performed in artificially disordered superlattices embedded…”
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Magneto-optical probe of quantum Hall states in a wide parabolic well modulated by random potential by Pusep, Yu. A., Fernandes dos Santos, L., Smirnov, D., Bakarov, A. K., Toropov, A. I.

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Raman investigation of plasmon localization in GaAs/AlGaAs superlattices by Rodrigues, A.D., Pusep, Yu.A., Galzerani, J.C.

“…This work presents a Raman analysis of the influence of disorder in the plasmon localization. The disorder strength control was achieved by growing…”
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PL spectroscopy of Fermi electrons in regime of the quantum Hall effect by Pusep, Yu.A., Guimarães, F.E.G., Arakaki, A.H., de Souza, C.A.

“…The influence of the interlayer coupling on formation of the quantized Hall phase at the filling factor ν = 2 was studied in the multilayer GaAs/AlGaAs…”
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Hydrodynamics of electron-hole fluid photogenerated in a mesoscopic two-dimensional channel by Patricio, M. A. T, Jacobsen, G. M, Teodoro, M. D, Gusev, G. M, Bakarov, A. K, Pusep, Yu. A

“…Phys. Rev. B 109, L121401, 2024 The dynamics of the diffusion flow of holes photoinjected into a mesoscopic GaAs channel of variable width, where they,…”
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Determination of mobility edge in presence of metal-to-insulator transition by Tito, M.A., Pusep, Yu. A.

“…Determination of mobility edge in presence of metal-to-insulator transition Recombination dynamics of excitons was studied in multiple narrow quantum well…”
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Managing disorder in random GaAs/AlGaAs superlattices by Pusep, Yu.A.

“…The artificial random Gaussian-type potential built in the GaAs/AlGaAs superlattices grown by molecular beam epitaxy was explored by various methods. The…”
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Diffusion of photo-excited holes in viscous electron fluid by Pusep, Yu. A, Teodoro, M. D, LaurindoJr, V, de Oliveira, E. R. Cardozo, Gusev, G. M, Bakarov, A. K

“…Phys. Rev. Lett., 2022, v. 128, 136801 The diffusion of photo-generated holes is studied in a high-mobility mesoscopic GaAs\ channel where electrons exhibit…”
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Magnetic-field-induced transition in a wide parabolic well superimposed with a superlattice by Gusev, G. M., Pusep, Yu. A., Bakarov, A. K., Toropov, A. I., Portal, J. C.

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Delocalization-localization transition of plasmons in random ( GaAs ) m ( Al 0.3 Ga 0.7 As ) 6 superlattices by Pusep, Yu. A., Rodrigues, A. D., Sokolov, S. S.

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