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Physicists have created the world’s most stable atomic clock

Физики создали самые стабильные в мире атомные часыThe time dimension is performed using a laser.

Physicists from the National Institute of standards and technology (USA) broke the record of stability of atomic clocks. A study published in the journal Nature Photonics.

“We have eliminated a critical type of noise during work hours, effectively making the clock signal stronger,” said study co-author Andrew Ludlow. According to him, a new watch, it is possible to achieve a clock instability of the 1.5 parts in a trillion (1 followed by 18 zeros) for a few thousand seconds.

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The basis of the device created by scientists, are two ensembles of five or ten thousand atoms of ytterbium recorded in an optical trap. The time dimension is performed using a laser that tracks the transition between the different energy States of a quantum system.

New achievement slightly exceeds the previous record, also set up by American scientists from the National Institute of standards and technology.

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