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Spin and orbital mechanisms of the magneto-gyrotropic photogalvanic effects in GaAs/AlGaAs quantum well structures
Spin orbital mechanisms of the magneto-gyrotropic photogalvanic effects
2010/11/24
We report on the study of the linear and circular magneto-gyrotropic photogalvanic effect (MPGE)in GaAs/AlGaAs quantum well structures. Using the fact that in such structures the Land´e-factor g...
Magnetic forces and localized resonances in electron transfer through quantum rings
Magnetic forces localized resonances electron transfer
2010/11/19
We study the current ow through semiconductor quantum rings. In high magnetic eld the current is usually injected to the arm of the ring preferred by classical magnetic forces. However, for narrow ma...
Squeezed vacuum reservoir effect for entanglement decay in nonlinear quantum scissors system
entanglement dynamics Kerr coupler squeezed vacuum reservoir
2010/10/18
We discuss the coupler system of two nonlinear oscillators excited by an external coherent field prepared in a maximally entangled state (Bell-like state). We show that as a result of the coupler inte...
A Note on Coriolis Quantum States
Landau quantum states Coriolis force gravito-magnetic theories Aharanov-Bohm effect Aharanov-Carmi phase
2010/10/20
We introduce the Coriolis quantum states in analogy to the Landau states. We discuss their physical meaning and their role within the context of gravito-magnetic theory. We also analyse the experiment...
Storage of quantum coherences as phase labeled local polarization using magnetic field gradients in NMR
Storage of quantum coherences phase labeled local polarization magnetic field gradients
2010/10/18
Long decay times were previously observed in samples such as 29Si, C60,Y2O3 by applying multi-
pulse nuclear magnetic resonance sequences to measure decoherence times. They are originated in
stimula...
Ultracold magnetic atoms bode well for quantum studies（图）
Ultracold magnetic atoms quantum studies
2010/2/23
Physicists in the US have for the first time trapped ultracold atoms of dysprosium, the most magnetic element in the periodic table. The breakthrough could open the door to a greater understanding of ...
Ordering Due to Disorder in Frustrated Quantum Magnetic Systems
Quantum Magnetic frustrated magnetic systems
2010/4/16
The phenomenon of order by disorder in frustrated magnetic systems is reviewed. Disorder (thermal or quantum fluctuations) may sometimes give rise to long range ordering in systems with frustration, w...