Tag Archives: Atomic and Molecular Physics

Ultracold Atoms Simulate Breaking Flux Strings

Posted on September 8, 2025 by rberkowitz

An optical-lattice experiment offers a platform for observing dynamics of particle–antiparticle pair creation in quantum field theories. Continue reading →

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Gases Team Up for Enhanced Coherence

Posted on September 27, 2024 by rberkowitz

Magnetic feedback causes two atomic gases to guide each other’s spins into long-lasting collective alignment. Continue reading →

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It’s a Trap—for Lanthanides

Posted on November 15, 2023 by rberkowitz

Trapping and imaging single dysprosium atoms extends the utility of optical tweezer arrays to electronically complex species, opening the door to new quantum physics studies. Continue reading →

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Characterizing Clusters inNuclear Collisions

Posted on April 28, 2023 by rberkowitz

High-energy collisions result in the formation of clusters of neutrons and protons inside atomic nuclei and in the emission of energetic ions. Continue reading →

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Deciphering Single-Molecule Fluorescence

Posted on March 22, 2023 by rberkowitz

Spatial maps of the light emitted by an excited molecule reveal how the emission depends on the molecule’s charge states. Continue reading →

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Defects Control Silica’s Viscosity

Posted on July 4, 2022 by rberkowitz

The quirky temperature dependence of liquid silica’s viscosity comes from the liquid equivalent of crystal defects, according to new simulations. Continue reading →

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A Liquid Method to Prepare Ion Beams

Posted on May 24, 2022 by rberkowitz

A liquid-metal jet can strip electrons from a high-intensity, accelerator-based ion beam, increasing the beam’s charge and enhancing accelerator performance. Continue reading →

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A Quick Way to Measure Isotope Ratios

Posted on May 6, 2022 by rberkowitz

A new laser-based method allows scientists to detect the isotope concentration of different chemicals in a gas in a short time. Continue reading →

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Ultracold Molecules Have Staying Power

Posted on March 16, 2022 by rberkowitz

Intermediate, nonreactive atom-molecule complexes last for a surprisingly long time.  Read more in APS Physics…

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A Laser-Free Method for Cooling Heavy Molecules

Posted on October 21, 2021 by rberkowitz

Electric deceleration brings a beam of the largest molecules yet to a standstill. Continue reading →

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