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9 papers · 1 filter
Quantum state depression in semiconductor quantum well
Avto Tavkhelidze, Vasiko Svanidze
In this study, the quantum state depression (QSD) in semiconductor quantum well (QW) is investigated. The QSD emerge from the ridged geometry of the QW boundary. Ridges impose addi…
Large enhancement of the thermoelectric figure of merit in a ridged quantum well
Avto Tavkhelidze
Recently new quantum features were observed and studied in the ridged quantum wells (RQW). Periodic ridges on the surface of the quantum well layer impose additional boundary condi…
Precision study of the d+p->3He+eta reaction for excess energies between 20 and 60 MeV
T. Rausmann, A. Khoukaz, M. Buescher +19
The differential and total cross sections for the d+p->3He+eta reaction have been measured at COSY-ANKE at excess energies of 19.5, 39.4, and 59.4 MeV over the full angular range.…
Measurement of the isospin-filtering dd -> 4He K+ K- reaction at Q=39 MeV
X. Yuan, M. Buescher, D. Chiladze +19
The total cross section for the dd -> 4He K+ K- reaction has been measured at a beam momentum of 3.7 GeV/c, corresponding to an excess energy of 39 MeV, which is the maximum possib…
Metal-insulator transition in a quantum wire driven by a modulated Rashba spin-orbit coupling
G. I. Japaridze, Henrik Johannesson, Alvaro Ferraz
We study the ground-state properties of electrons confined to a quantum wire and subject to a smoothly modulated Rashba spin-orbit coupling. When the period of the modulation becom…
Polarizing a stored proton beam by spin flip?
D. Oellers, L. Barion, S. Barsov +66
We discuss polarizing a proton beam in a storage ring, either by selective removal or by spin flip of the stored ions. Prompted by recent, conflicting calculations, we have carried…