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Physics Colloquium, "Optical nuclear clock: nuclear physics meets metrology"

Автор: Physics CU Boulder

Загружено: 2024-08-30

Просмотров: 1598

Описание: Presented by: Chuankun Zhang, JILA
Host: Jun Ye
Date: August 28, 2024
Abstract: Laser-based measurement and control of atomic and molecular states form the foundation of modern quantum technology and provide deep insights to fundamental physics. The recent breakthrough of quantum-state-resolved thorium-229 nuclear laser spectroscopy marks the beginning of precision metrology for nuclear transitions. Using a state-of-the-art frequency comb in the vacuum-ultraviolet, we coherently excite the thorium nuclear clock transition and link its frequency directly to today’s most precise atomic clock based on strontium-87. This unification of precision metrology and nuclear physics sparks new ideas for fundamental physics tests and promises nuclear-based robust timing applications.

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Physics Colloquium, "Optical nuclear clock: nuclear physics meets metrology"

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