Search Results - "Shahbazyan, T.V"

Surface collective excitations in ultrafast pump-probe spectroscopy of metal nanoparticles by Shahbazyan, T.V., Perakis, I.E.

“…The role of surface collective excitations in the electron relaxation in small metal particles is studied. It is shown that the dynamically screened…”
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Spectroscopy of vibrational modes in metal nanoshells by Kirakosyan, A.S., Shahbazyan, T.V.

“…In this work we study the spectrum of vibrational modes in metal nanoparticles with a dielectric core. Vibrational modes are excited by the rapid heating of…”
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Two-electron absorption in a biased quantum well by Dai, J., Raikh, M.E., Shahbazyan, T.V.

“…Linear light absorption of 2D electrons confined within a biased quantum well is studied theoretically. We demonstrate that for light polarization…”
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Many-body correlation effects in the ultrafast non-linear optical response of confined Fermi seas by Perakis, I.E., Shahbazyan, T.V.

“…The dynamics of electrons interacting with ultrashort optical pulses in semiconductor and metal nanostructures (quantum wells, dots, and wires, nanoparticles,…”
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Femtosecond coherent dynamics of the Fermi edge singularity and exciton hybrid by Shahbazyan, T.V., Primozich, N., Perakis, I.E., Chemla, D.S.

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Resonant Scattering in a Strong Magnetic Field: Exact Density of States by Shahbazyan, T. V., Ulloa, S. E.

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Coherent oscillations of vibrational modes in metal nanoshells by Kirakosyan, A.S., Shahbazyan, T.V., Langot, P., Del Fatti, N., Vallee, F.

“…Coherent dynamics of vibrational modes in gold nanoshells is studied by means of ultrafast pump-probe spectroscopy. A theoretical model is developed that…”
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Many-body luminescence from nanorings at high excitation level by Shahbazyan, T.V, Perakis, I.E, Raikh, M.E

“…We study theoretically the luminescence from quantum dots of a ring geometry. For high excitation intensities, photoexcited electrons and holes form Fermi…”
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Quantum-size effects in surface-enhanced raman scattering from noble-metal nanoparticies by Pustovit, V.N., Shahbazyan, T.V.

“…We describe a new finite-size many-body effect in SERS from molecules adsorbed on noble-metal nanoparticles originating from the change in the screening of…”
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Femtosecond dynamics of inter-Landau level excitations of a two-dimensional electron gas in the quantum Hall regime by Fromer, N.A, Schüller, C, Chemla, D.S, Shahbazyan, T.V, Perakis, I.E, Driscoll, D, Gossard, A.C

“…We use degenerate four-wave mixing to investigate the dynamics of electron–hole pairs interacting with magnetoplasmon excitations of a two-dimensional electron…”
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Luttinger liquid approach to non-dissipative Coulomb drag: Persistent currents in coupled mesoscopic rings by Shahbazyan, T.V., Ulloa, S.E.

“…We develop a Luttinger liquid theory of the Coulomb drag of persistent currents flowing in concentric mesoscopic rings by incorporating nonlinear corrections…”
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Weak levitation of delocalized states as a result of Landau level mixing by Shahbazyan, T.V., Raikh, M.E.

“…We study the effect of Landau level mixing on the energy positions of 2D delocalized states in a magnetic field. We show that a weak mixing can be incorporated…”
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Size-dependent many-body effects in the nonlinear optical dynamics of metal nanoparticles by Shahbazyan, T.V., Perakis, I.E.

“…We have shown that the time evolution of the differential transmission spectra in metal nanoparticles is strongly influenced by dynamic many-body correlations…”
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Ultrafast auger dynamics of quantum well excitons in strong magnetic field by Shahbazyan, T.V., Fromer, N.A., Chemla, D.S.

“…We study the Coulomb correlations in the ultrafast dynamics of quantum well magnetoexcitons and find that, in strong magnetic field, the four-wave mixing…”
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Femtosecond nonlinear dynamics of the Fermi-edge singularity with excitonic enhancement in pump-probe optical spectroscopy by Perakis, I.E., Primozich, N., Shahbazyan, T.V.

“…Summary form only given. We study the effects of many-particle Coulomb correlations on the ultrafast nonlinear optical response of doped semiconductors with…”
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Size-dependent dynamical screening effects in metal nanoparticles: ultra-fast pump-probe signal by Shahbazyan, T.V., Perakis, I.E., Bigot, J.-Y.

“…Summary form only given. The absorption of light by metal nanoparticles is dominated by the surface plasmon (SP) resonance. Although the linear absorption…”
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Photoluminescence from an ensemble of self-assembled quantum dots: cooperative effects by Raikh, M.E., Shahbazyan, T.V.

“…Summary form only given. Optical properties of self-assembled quantum dots (SAQD) have attracted much interest during recent years. With a typical size of the…”
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Coulomb drag in mesoscopic rings by Shahbazyan, T. V., Ulloa, S. E.

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Optical measurements of spin dynamics and band offsets at interfaces by Tolk, N.H., Glinka, Yu.D., Shahbazyan, T.V., Perakis, I.E., Jiang, Y., Miller, J.K., Barry, M.E., Liu, X., Sasaki, Y., Furdyna, J.K.

“…We report first applications of pump-probe second harmonic generation (SHG) to monitor spin dynamics in nonmagnetic semiconductor heterostructures (GaAs/GaSb…”
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Far-infrared absorption in parallel quantum wires with weak tunneling by Shahbazyan, TV, Ulloa, SE

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