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Dive into the research topics where Mansour Shayegan is active.

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Featured researches published by Mansour Shayegan.


International Journal of Modern Physics B | 2004

COUNTERFLOW MEASUREMENTS IN GaAs HOLE BILAYERS: POSSIBLE EVIDENCE FOR EXCITONIC CONDENSATION

Emanuel Tutuc; Mansour Shayegan

We study interacting GaAs bilayer hole systems, with very small interlayer tunneling, in a counterflow geometry where equal currents are passed in opposite directions in the two, independently contacted layers. In the quantum Hall state at total bilayer filling ν=1 both the longitudinal and Hall counterflow resistances tend to vanish in the limit of zero temperature. This observation demonstrates the pairing of oppositely charged carriers in opposite layers (excitons), and implies that the ground state of the system is an excitonic condensate.


Archive | 2010

Transference of Fermi Surface Anisotropy to Composite Fermions

Tayfun Gokmen; Medini Padmanabhan; Mansour Shayegan


/data/revues/16310705/00030006/02013555/ | 2008

Probing spin physics in the quantum Hall regime by heat capacity and magnetotransport measurements

Sorin Melinte; Mansour Shayegan; Vincent Bayot


The 17th international conference on electronic properties of two-dimensional systems | 2007

Coherent transport of holes in GaAs open quantum dots

Sébastien Faniel; Benoît Hackens; Alexandru Vlad; L. Moldovan; C. Gustin; B. Habib; Sorin Melinte; Mansour Shayegan; Vincent Bayot


The 17th international conference on electronic properties of two-dimensional systems | 2007

In-plane magneto-thermopower and the metal-insulator transition in dilute 2D GaAs hole systems

Sébastien Faniel; L. Moldovan; Benoît Hackens; Alexandru Vlad; Emanuel Tutuc; Nathaniel Bishop; Sorin Melinte; Mansour Shayegan; Vincent Bayot


Archive | 2007

Spin-Valley Phase Diagram of the 2D Metal-Insulator Transition

Oki Gunawan; Tayfun Gokmen; K. Vakili; Mukund Padmanabhan; Etienne P. de Poortere; Mansour Shayegan


Archive | 2004

Spin Polarization of 2D Electrons in Narrow AlAs Quantum Wells

K. Vakili; Y. P. Shkolnikov; Etienne P. de Poortere; Emanuel Tutuc; Mansour Shayegan


Archive | 2004

Strain dependence of spin and valley polarization in AlAs 2D electrons.

Y. P. Shkolnikov; K. Vakili; Mansour Shayegan; Etienne P. de Poortere


Archive | 2004

Valley-resolved ballistic transport in a two-dimensional electron system

Oki Gunawan; Y. P. Shkolnikov; Emanuel Tutuc; Mansour Shayegan; Etienne P. de Poortere


Archive | 2004

Spin Polarization of Two-Dimensional Hole Systems

R. Winkler; Emanuel Tutuc; Sorin Melinte; Mansour Shayegan; Daniel Wasserman; S. A. Lyon

Collaboration


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Emanuel Tutuc

University of Texas at Austin

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Vincent Bayot

Joseph Fourier University

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Sorin Melinte

Université catholique de Louvain

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Sébastien Faniel

Université catholique de Louvain

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Benoît Hackens

Université catholique de Louvain

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C. Gustin

Université catholique de Louvain

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