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Frbiz.com reports International Quantum computer research Breakthrough
Reporter on the 29th learned from the China University of Technology, the school Microscale Science Professor Du Jiangfeng National Laboratory research team led by the Chinese University of Hong Kong Professor Liu Renbao cooperation, through electron spin resonance experimental technique for the first time in the international community through the solid-state system Experimental realization of optimal dynamic decoupling, making the advent of quantum computers possible.
It is reported that the combination of quantum mechanics and computer science and quantum computing is a big dream of mankind. The nature of quantum computing is the use of quantum coherence, but in reality due to the environment will inevitably interfere with the quantum system, coupling occurs, so that quantum coherence decay over time, decoherence occurs, computing tasks can not be completed. Therefore, to make quantum computing a reality, the first urgent problem is to overcome decoherence.
Professor Du Jiangfeng said that in order to break down the natural integer 500, for example, is currently the fastest computer will need a few billions of years to complete, while the quantum computer, the same repetition frequency, one minute can be resolved. However, quantum computing, as human beings take some time to think. The length of time depends on the quantum coherence, coherence to maintain the longer quantum computer can handle the complexity of the higher, more difficult information. Therefore, improving the quantum coherence, to enhance the ability of quantum computers is essential.
In order to maintain quantum coherence, a physicist for the very many ways in which the optimal dynamic decoupling is the most effective methods. Professor Du Jiangfeng said that the optimal dynamic decoupling method is carefully designed by a bunch of microwave pulses directly on spin electronics, spin electronics repeatedly to flip, "feel" to the outside down and turned over to eliminate electron spin and the environment in the nuclear spin coupling between the protection of the quantum coherence electron spin.
After years of efforts, Du Jiang-Feng research team has successfully established the only China can simultaneously manipulate electron and nuclear spin of the experimental platform. The researchers used a maximum of seven microwave pulses into a material called malonate where the electronic spin coherence time to be extended from less than 1/20000000 seconds to nearly 1/30000 seconds, this time has been able to meet a number of quantum computing tasks. Research shows that even at room temperature, such programs also can work, which developed for the use of solid materials can be used at room temperature, laid the foundation for quantum computers.
The researchers believe that once the real-solid system, the various decoherence mechanisms are fully understood by people, high-precision coherent control will be easier away from the true realization of quantum computers are no longer distant.
It is learned that the results published on October 29 published an authoritative international magazine "Nature" on. Reviewers that "the working effectively maintained a solid-state spin quantum coherence bits of solid-state spin quantum computing truly has a great significance."
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How to get pictures from memory card to computer?
I have a Kodak Easy Share DX7630 and i pull up my computer when the memory card is in , and there isn't anything that contains the pictures, i have the memory card in the right slot but i cant figure out how to get the pictures on my computer of even find the folder with the pictures in them.
Help PLEASE
when i click on the folders, they all say insert dick into folder.
double click on 'my computer'.
look at the list of disk drives
one of those disk drives represents the memory card. you have to figure out which one it is.
double click on the disk drive for the memory card
should be a folder
click on the folder, pictures should be there..or maybe in a second folder.
C3 Card eyes 500,000 workers by year's end
C3 Card, a payroll service provider, has recorded a three times increase in the number of cards issued to workers in the UAE in the past six months to over 250,000. The company expects to double this growth in 2010, its General Manager Anas Zaidan told Emirates Business.
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