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Coupled-channels density-matrix approach to low-energy nuclear collision dynamics: A technique for quantifying quantum decoherence effects on reaction observables
Coupled-channels density-matrix low-energy nuclear collision dynamics reaction observables
2010/11/11
The coupled-channels density-matrix technique for nuclear reaction dynamics, which is based on the Liouville-von Neumann equation with Lindblad dissipative terms, is developed with the inclusion of fu...
Universal quantum control of two-electron spin quantum bits using dynamic nuclear polarization
Universal quantum control two-electron spin quantum bits dynamic nuclear polarization
2010/10/27
One fundamental requirement for quantum computation is to perform universal manipulations
of quantum bits at rates much faster than the qubit’s rate of decoherence. Recently,
fast gate operations ha...
Control of the direction and rate of nuclear spin flips in InAs quantum dots using detuned optical pulse trains
nuclear spin flips InAs quantum dots detuned optical pulse trains
2010/4/8
We find that detuning an optical pulse train from electronic transitions in quantum dots controls the direction of nuclear spin flips. The optical pulse train generates electron spins that precess abo...
Voltage controlled nuclear polarization switching in a single InGaAs quantum dot
Voltage nuclear polarization a single InGaAs quantum dot
2010/4/8
Sharp threshold-like transitions between two stable nuclear spin polarizations are observed in optically pumped individual InGaAs self-assembled quantum dots embedded in a Schottky diode when the bias...
Suppression of nuclear spin diffusion at a GaAs/AlGaAs interface measured with a single quantum dot nano-probe
Suppression of nuclear spin GaAs/AlGaAs interface quantum dot nano-probe
2010/4/8
Nuclear spin polarization dynamics are measured in optically pumped individual GaAs/AlGaAs interface quantum dots by detecting the time-dependence of the Overhauser shift in photoluminescence (PL) spe...
Coherence and control of quantum registers based on electronic spin in a nuclear spin bath
Coherence quantum registers electronic spin nuclear spin bath
2010/4/7
We consider a protocol for the control of few-qubit registers comprising one electronic spin embedded in a nuclear spin bath. We show how to isolate a few proximal nuclear spins from the rest of the e...
Nuclear Level Density and Thermodynamic Functions for Nuclei
with Static Deformation
nuclear level density thermodynamic function deformation
2007/8/15
2002Vol.37No.4pp.457-460DOI:
Nuclear Level Density and Thermodynamic Functions for Nuclei
with Static Deformation
A.N. Behkami and M.N. Nasrabadi
Physics Department, Shi...