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The 56 pages that link to Atomic clock, each with the reason it gives.

• Global Positioning SystemRelated: Highly stable satellite clocks make precise ranging possible, though receiver clocks need correction.

• Planck constantRelated: Atomic transition frequencies connect energy differences to frequency through h.

• Laser coolingRelated: Cooling reduces atomic motion and Doppler shifts in several high-precision clock designs.

• SecondRelated: Atomic clocks use the defining cesium frequency to keep time.

• Global Navigation Satellite SystemRelated: Precise satellite clocks let receivers infer signal travel times from arrival times.

• Event Horizon TelescopeRelated: Hydrogen maser atomic clocks timestamp each observatory’s recordings for later alignment.

• Coordinated Universal TimeBroader topic: Atomic clocks provide the stable frequency standard from which UTC is maintained.

• Mechanical clockCompared with: Its atomic frequency standard surpasses mechanical clocks in precision and stability.

• SundialCompared with: Its stable time standard exposes the seasonal variation in sundial time.

• Lunar laser rangingRelated: Precise pulse timing requires stable clocks at the transmitting and receiving observatories.

• Hyperfine structureNarrower topic: The cesium standard defines the second using a microwave transition between hyperfine levels.

• Pendulum clockCompared with: Atomic frequency standards surpass pendulums in precision and stability.

• AtomBroader topic: Precisely controlled atomic transitions provide exceptionally reliable time standards.

• Quartz clockCompared with: Atomic clocks provide a more stable reference than ordinary quartz oscillators.

• Gravitational time dilationRelated: High precision lets atomic clocks detect gravitational rate differences across modest height changes.

• Optical pumpingRelated: Optical pumping prepares selected atomic states before clock transitions are interrogated.

• Hydrogen maserRelated: The drive for accurate atomic clocks motivated hydrogen-maser development.

• Leap secondNarrower topic: Atomic clocks made uniform timekeeping precise enough for rotational drift to become noticeable.

• ClockCompared with: Atomic transitions provide a far more stable reference than mechanical or quartz regulators.

• MaserNarrower topic: Hydrogen masers serve as high-stability frequency references in timing systems.

• Satellite navigationRelated: Accurate satellite timekeeping lets receivers infer signal travel time.

• Time dilationNarrower topic: Atomic clocks supply the precision needed to observe and correct relativistic time shifts.

• Optical atomic clockNarrower topic: Optical clocks are a high-frequency branch of this broader timekeeping technology.

• Quantum metrologyBroader topic: Quantum control of atomic transitions enables exceptionally precise time measurement.

• Atomic physicsBroader topic: Atomic transition frequencies provide reproducible standards for measuring time.

• Precision measurementBroader topic: Atomic clocks realize the second with exceptional stability and accuracy.

• Quantum theoryRelated: Quantum transitions provide precise, reproducible frequency references for timekeeping.

• Rydberg constantRelated: High-precision atomic spectroscopy uses accurately modeled transition frequencies.

• Crystal oscillatorCompared with: Atomic clocks provide a more fundamental frequency reference than a quartz crystal.

• DurationBroader topic: Atomic transitions provide precise standards for comparing durations.

• Einstein coefficientsRelated: Transition strengths and spontaneous decay rates affect the design and performance of clock transitions.

• International Atomic TimeNarrower topic: TAI draws on measurements from many atomic clocks around the world.

• Physical constantRelated: Atomic transition frequencies support precise timekeeping and tests of whether constants vary.

• YtterbiumRelated: Ytterbium atomic transitions provide exceptionally stable references for optical clocks.

• Steven ChuRelated: Laser-cooled atoms can reduce motion-related errors in precise frequency measurements.

• Alexander ProkhorovRelated: Maser techniques enabled exceptionally stable frequency standards used in early atomic clocks.

• Claude Cohen-TannoudjiRelated: Cold trapped atoms can reduce motion-related errors in precision timekeeping.

• GLONASSRelated: Precise satellite timekeeping lets receivers infer signal travel times from GLONASS broadcasts.

• Nikolay BasovRelated: Masers and related frequency standards advanced the precision technologies associated with Basov’s field.

• Atomic magnetometerRelated: Atomic-clock techniques and magnetometry share precision control and optical interrogation of atomic states.

• John L. HallRelated: More precise optical frequency measurements allow atomic clocks to become more accurate.

• Wolfgang PaulRelated: Trapped ions can serve as exceptionally controlled frequency references.

• Arthur Leonard SchawlowRelated: Laser spectroscopy can resolve atomic transitions used as frequency references.

• Day (time unit)Related: Atomic clocks realize seconds precisely without relying on Earth's rotation.

• Hans Georg DehmeltRelated: Ion confinement techniques helped make single-ion frequency standards feasible.

• History of timekeeping devicesBroader topic: Atomic frequencies became the most precise standard for modern timekeeping.

• PolluciteRelated: Pollucite-derived cesium can ultimately supply the element used in cesium frequency standards.

• Real-time clockCompared with: It provides a highly precise reference, unlike the inexpensive oscillator in a typical computer clock.

• Atomic systemBroader topic: Atomic transition frequencies provide exceptionally precise time standards.

• ChronometryBroader topic: Atomic transition frequencies provide the standard underlying modern time measurement.