scholarly journals Electrical detection of coherent 31P spin quantum states

2006 ◽  
Vol 2 (12) ◽  
pp. 835-838 ◽  
Author(s):  
Andre R. Stegner ◽  
Christoph Boehme ◽  
Hans Huebl ◽  
Martin Stutzmann ◽  
Klaus Lips ◽  
...  
Keyword(s):  
Quantum States ◽  
Electrical Detection ◽  
Spin Quantum

scholarly journals Direct measurement of nonlocal entanglement of two-qubit spin quantum states

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Liu-Yong Cheng ◽  
Guo-Hui Yang ◽  
Qi Guo ◽  
Hong-Fu Wang ◽  
Shou Zhang
Keyword(s):  
Direct Measurement ◽  
Quantum States ◽  
Spin Quantum ◽  
Nonlocal Entanglement

scholarly journals METHOD FOR IMPLEMENTATION OF UNIVERSAL QUANTUM LOGIC GATES IN A SCALABLE ISING SPIN QUANTUM COMPUTER

2003 ◽  
Vol 01 (01) ◽  
pp. 51-77 ◽  
Author(s):  
G. P. BERMAN ◽  
D. I. KAMENEV ◽  
R. B. KASSMAN ◽  
C. PINEDA ◽  
V. I. TSIFRINOVICH
Keyword(s):  
Radio Frequency ◽  
Quantum Computer ◽  
Logic Gates ◽  
Quantum States ◽  
Quantum Gates ◽  
Quantum Logic Gates ◽  
Ising Spin ◽  
Spin Quantum ◽  
Universal Quantum ◽  
Radio Frequency Pulses

We present protocols for implementation of universal quantum gates on an arbitrary superposition of quantum states in a scalable solid-state Ising spin quantum computer. The spin chain is composed of identical spins 1/2 with the Ising interaction between the neighboring spins. The selective excitations of the spins are provided by the gradient of the external magnetic field. The protocols are built of rectangular radio-frequency pulses. Since the wavelength of the radio-frequency pulses is much larger than the distance between the spins, each pulse affects all spins in the chain and introduces the phase and probability errors, which occur even without the influence of the environment. These errors caused by the unwanted transitions are minimized and computed numerically.

Symmetric Telecloning and Entanglement Distribution of Spin Quantum States

2008 ◽  
Vol 25 (8) ◽  
pp. 2770-2773 ◽  
Author(s):  
Wang Qiong ◽  
Li Ji-Xin ◽  
Zang Hao-Sheng
Keyword(s):  
Quantum States ◽  
Spin Quantum ◽  
Entanglement Distribution

Geometry of Quantum States

2006 ◽  
Author(s):  
Ingemar Bengtsson ◽  
Karol Zyczkowski
Keyword(s):  
Quantum States

Transport of quantum states of periodically driven systems

1990 ◽  
Vol 51 (8) ◽  
pp. 709-722 ◽  
Author(s):  
H.P. Breuer ◽  
K. Dietz ◽  
M. Holthaus
Keyword(s):  
Quantum States ◽  
Driven Systems ◽  
Periodically Driven
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