Spin-charge qubit resonance readout in lateral quantum dots

2007 ◽  
Vol 40 (2) ◽  
pp. 347-350
Author(s):  
M. Pioro-Ladrière ◽  
Y. Tokura ◽  
T. Obata ◽  
T. Kubo ◽  
K. Yoshida ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Charge Qubit

scholarly journals Charge qubit entanglement in double quantum dots

2006 ◽  
Vol 76 (5) ◽  
pp. 905-911 ◽  
Author(s):  
S Weiss ◽  
M Thorwart ◽  
R Egger
Keyword(s):  
Quantum Dots ◽  
Double Quantum ◽  
Charge Qubit ◽  
Double Quantum Dots

scholarly journals Tunable charge qubit based on barrier-controlled triple quantum dots

2018 ◽  
Vol 98 (3) ◽  
Author(s):  
Xu-Chen Yang ◽  
Guo Xuan Chan ◽  
Xin Wang
Keyword(s):  
Quantum Dots ◽  
Charge Qubit ◽  
Triple Quantum Dots

Fano-Kondo Effect in three quantum dots aiming at charge qubit measurement

2007 ◽  
Author(s):  
Tetsufumi Tanamoto ◽  
Yoshifumi Nishi ◽  
Shinobu Fujita
Keyword(s):  
Quantum Dots ◽  
Kondo Effect ◽  
Charge Qubit

INTRINSIC AND EXTRINSIC DECOHERENCE FOR CHARGE QUBIT DYNAMICS IN A DOUBLE QUANTUM DOT

2014 ◽  
Vol 28 (02) ◽  
pp. 1450014
Author(s):  
LI WANG ◽  
TAO TU ◽  
GUO-PING GUO ◽  
GUANG-CAN GUO
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Double Quantum ◽  
Charge Qubit ◽  
Semiconductor Quantum Dot ◽  
Double Quantum Dot ◽  
Crucial Difference ◽  
A Charge ◽  
Environment Noise

In this paper, we investigate different decoherence sources with a charge qubit in a semiconductor quantum dot device. We distinguish between the intrinsic qubit population leakage and extrinsic environment noise, through a crucial difference in their signatures on the dynamics of the qubit. The results demonstrated here could help to develop unified understanding of decoherence mechanism in quantum dots and allow us to design suitable protocols for control and measurement.

scholarly journals ENTANGLEMENT CREATION IN SEMICONDUCTOR QUANTUM DOT CHARGE QUBIT

2011 ◽  
Vol 09 (supp01) ◽  
pp. 111-118
Author(s):  
FABRIZIO BUSCEMI ◽  
PAOLO BORDONE ◽  
ANDREA BERTONI
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Electron Scattering ◽  
Single Particle ◽  
Quantum Correlations ◽  
Semiconductor Quantum Dots ◽  
Coulomb Scattering ◽  
Charge Qubit ◽  
Scattered Particle ◽  
Semiconductor Quantum Dot

We study theoretically the appearance of quantum correlations in two- and three-electron scattering in single and double dots. The key role played by transport resonances into entanglement formation between the single-particle states is shown. Both reflected and transmitted components of the scattered particle wavefunction are used to evaluate the quantum correlations between the incident carrier and the bound particle(s) in the dots. Our investigation provides a guideline for the analysis of decoherence effects due to the Coulomb scattering in semiconductor quantum dots structures.

scholarly journals Micromagnets for coherent control of spin-charge qubit in lateral quantum dots

2007 ◽  
Vol 90 (2) ◽  
pp. 024105 ◽  
Author(s):  
M. Pioro-Ladrière ◽  
Y. Tokura ◽  
T. Obata ◽  
T. Kubo ◽  
S. Tarucha
Keyword(s):  
Quantum Dots ◽  
Coherent Control ◽  
Charge Qubit
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