期刊
REVIEWS OF MODERN PHYSICS
卷 83, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/RevModPhys.83.331
关键词
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资金
- U.S. NSF
- U.S. NASA [NNX07AT65A]
- MEXT, Japan
- JSPS
- Division Of Physics
- Direct For Mathematical & Physical Scien [969580] Funding Source: National Science Foundation
Recently invented and demonstrated optical lattice clocks hold great promise for improving the precision of modern time keeping. These clocks aim at the 10(-18) fractional accuracy, which translates into a clock that would neither lose nor gain a fraction of a second over an estimated age of the Universe. In these clocks, millions of atoms are trapped and interrogated simultaneously, dramatically improving clock stability. Here the principles of operation of these clocks are discussed and, in particular, a novel concept of magic trapping of atoms in optical lattices. Recently proposed microwave lattice clocks are also highlights and several applications that employ the optical lattice clocks as a platform for precision measurements and quantum information processing.
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