Stable cats for quantum computers
Related source » Squeezed Schrödinger Cats - Deep Stuff: 'via Blog this'
The scientists used this ion trap to create
new quantum states (Photo: ETH Zurich)
[This related source is recommended in its entirety.]
“The Schrödinger cat prepared by professor Home and his collaborators is special in that the initial squeezing makes the ion states “left” and “right” particularly easy to distinguish. At the same time, it is also pretty large as the two ion states are far apart. “Even without the squeezing our “cat” is the largest one produced to date”, Home points out. “With the squeezing, the states “left” and “right” are even more distinguishable – they are as much as sixty times narrower than the separation between them”. All this isn’t just about scientific records, however, but also about practical applications. Squeezed Schrödinger cats are particularly stable against certain types of disturbances that would normally cause the cats to lose their quantum properties and become ordinary felines. That stability could, for instance, be exploited in order to realize quantum computers, which use quantum superposition states to do their calculations. Furthermore, ultra-precise measurements could be made less sensitive to unwanted external influences.”
— DEEP STUFF, May 26, 2015 (deepstuff.org)
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