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13 papers · 1 filter
Combined potential and spin impurity scattering in cuprates
G. Haran, A. D. S. Nagi
We present a theory of combined nonmagnetic and magnetic impurity scattering in anisotropic superconductors accounting for the momentum-dependent impurity potential. Applying the m…
Transformation of Statistics in Fractional Quantum Hall Systems
John J. Quinn, Arkadiusz Wojs, Jennifer J. Quinn +1
A Fermion to Boson transformation is accomplished by attaching to each Fermion a tube carrying a single quantum of flux oriented opposite to the applied magnetic field. When the me…
Paramagnetic-diamagnetic interplay in quantum dots for non-zero temperatures
Yu. P. Krasny, N. P. Kovalenko, U. Krey +1
In the usual Fock-and Darwin-formalism with parabolic potential characterized by the confining energy $\eps_o := \hbarω_o= 3.37$ meV, but including explicitly also the Zeeman coupl…
Electron-Hole Systems in Narrow Quantum Wells: Excitonic Complexes and Photoluminescence
John J. Quinn, Arkadiusz Wojs, Kyung-Soo Yi +1
The energy and photoluminescence (PL) spectra of a two-dimensional electron gas (2DEG) interacting with a valence-band hole are studied in the high-magnetic-field limit as a functi…
Fractionally charged magneto-excitons
Arkadiusz Wojs, John J. Quinn
The photoluminescence (PL) spectrum of a two-dimensional electron gas (2DEG) in the fractional quantum Hall regime is studied. The response of the 2DEG to an optically injected val…
Negatively Charged Excitons and Photoluminescence in Asymmetric Quantum Well
Izabela Szlufarska, Arkadiusz Wojs, John J. Quinn
We study photoluminescence (PL) of charged excitons () in narrow asymmetric quantum wells in high magnetic fields B. The binding of all states strongly depends on the se…