Friday, May 13, 2011

Super-accurate clocks emerge from 'heat haze' - physics-math - 13 May 2011 - New Scientist

Super-accurate clocks emerge from 'heat haze': Safronova reported this month at a conference in Baltimore, Maryland, that by combining two different mathematical approaches, she and her colleagues have now managed to calculate how much the energy gap between the two levels changes.

Using this information to correct an atomic clock could in principle increase its precision to around 4 parts in 1019, or about 1 second per 80 billion years.

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