scholarly journals Scalable quantum computation scheme based on quantum-actuated nuclear-spin decoherence-free qubits

2017 ◽  
Vol 96 (20) ◽  
Author(s):  
Lihong Dong ◽  
Xing Rong ◽  
Jianpei Geng ◽  
Fazhan Shi ◽  
Zhaokai Li ◽  
...  
Keyword(s):  
Quantum Computation ◽  
Nuclear Spin ◽  
Spin Decoherence ◽  
Computation Scheme

scholarly journals Exact dynamics of single-qubit-gate fidelities under the measurement-based quantum computation scheme

2012 ◽  
Vol 86 (4) ◽  
Author(s):  
L. G. E. Arruda ◽  
F. F. Fanchini ◽  
R. d. J. Napolitano ◽  
J. E. M. Hornos ◽  
A. O. Caldeira
Keyword(s):  
Quantum Computation ◽  
Single Qubit ◽  
Computation Scheme ◽  
Qubit Gate

Dynamical suppression of nuclear-spin decoherence time in Si and GaAs using inversion pulses

2007 ◽  
Vol 310 (2) ◽  
pp. 2167-2169
Author(s):  
S. Watanabe ◽  
J. Harada ◽  
S. Sasaki ◽  
Y. Hirayama
Keyword(s):  
Nuclear Spin ◽  
Decoherence Time ◽  
Spin Decoherence ◽  
Inversion Pulses

CONTROL OF ELECTRON SPIN DECOHERENCE IN MESOSCOPIC NUCLEAR SPIN BATHS

2008 ◽  
Vol 22 (01n02) ◽  
pp. 27-32
Author(s):  
REN-BAO LIU ◽  
WANG YAO ◽  
L. J. SHAM
Keyword(s):  
Electron Spin ◽  
Nuclear Spin ◽  
Spin Dynamics ◽  
Pair Correlation ◽  
Many Body ◽  
Nuclear Spins ◽  
Spin Decoherence ◽  
The Many ◽  
Mutually Independent ◽  
Correlation Approximation

The electron spin decoherence by nuclear spins in semiconductor quantum dots is caused by quantum entanglement between the electron and the nuclei. The many-body dynamics problem of the interacting nuclear spins can be solved with the pair-correlation approximation which treats the nuclear spin flip-flops as mutually independent. The nuclear spin dynamics can be controlled by simply flipping the electron spin so that the electron is disentangled from the nuclei and hence its lost coherence is restored.

Electron spin decoherence as a measure of nuclear spin bath frustration

2017 ◽  
Vol 471 ◽  
pp. 435-438 ◽  
Author(s):  
J. Jurec ◽  
B. Rakvin ◽  
M. Jokić ◽  
M. Kveder
Keyword(s):  
Electron Spin ◽  
Nuclear Spin ◽  
Spin Bath ◽  
Spin Decoherence

scholarly journals Nuclear spin decoherence of neutralP31donors in silicon: Effect of environmentalSi29nuclei

2016 ◽  
Vol 93 (16) ◽  
Author(s):  
Evan S. Petersen ◽  
A. M. Tyryshkin ◽  
J. J. L. Morton ◽  
E. Abe ◽  
S. Tojo ◽  
...  
Keyword(s):  
Nuclear Spin ◽  
Spin Decoherence

scholarly journals Universal dynamics of quantum spin decoherence in a nuclear spin bath

2008 ◽  
Vol 77 (17) ◽  
Author(s):  
Yi-Ya Tian ◽  
Pochung Chen ◽  
Daw-Wei Wang
Keyword(s):  
Nuclear Spin ◽  
Quantum Spin ◽  
Spin Bath ◽  
Spin Decoherence
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