Category Archives: APS Physics

Toward a Perfect Single-Photon Source

Posted on October 15, 2020 by

Semiconductor quantum dot emits photons that are squeezed below the fundamental noise limit. Continue reading →

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Quantum Simulations of Curved Space

Posted on September 10, 2020 by

A heptagonal-lattice superconducting circuit, and the mathematics thatdescribe it, provide tools for studying quantum mechanics in curvedspace. Read more in APS Physics…

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Finding Flow in Granular Media

Posted on August 24, 2020 by

A new model can predict how packed particles move through both 2D and 3D channels. Continue reading →

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Coldest Electrons Ever from Photocathodes

Posted on August 6, 2020 by

Researchers have generated the coldest electrons to date from solid-state photocathodes, an achievement that could improve electron sources for particle accelerators and ultrafast electron microscopy applications.  Continue reading →

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Real-Time Measurements of Earth’s Spin and Tilt

Posted on July 17, 2020 by

An array of ring lasers provides the first continuous measurement of Earth’s motion from a single location.  Continue reading →

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Building Novel Carbon Allotropes

Posted on July 2, 2020 by

Calculations indicate that a form of carbon synthesized from pentagonal hydrocarbon molecules could have unusual electrical and mechanical properties.  Continue reading →

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Ion Recoil from Photon Beam Observed

Posted on June 22, 2020 by

Experiments confirm that photonionized molecules get a backward kick, as predicted by theory.  Continue reading →

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Unjammed Emulsions Collapse to Liquids

Posted on May 27, 2020 by

An emulsion’s rigidity disappears when the droplets’ random thermal motion overcomes the confining pressure that binds them.  Continue reading →

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Efficient Detection of Microwave Photons

Posted on May 18, 2020 by

A new single-photon detector minimizes false positives by ensuring that a qubit switches to its excited state if and only if a photon enters a microwave resonator.  Continue reading →

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Novel Coronavirus Prompts Computer Sharing

Posted on April 24, 2020 by

A consortium of high-performance computing centers helps fast-track COVID-19 vaccine, drug, and epidemiology calculations.  Continue reading →

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