This Week in Physics - Toward Flawless Atom Optics

This Week in Physics Magazine — October 24, 2022 Viewpoint Toward Flawless Atom Optics Carlos L. Garrido Alzar – October 24, 2022 The engineering of so-called Floquet states leads to almost-perfect atom-optics elements for matter-wave interferometers—which could boost these devices' ability to probe new physics. Focus Frequency Comb Measures Quantum Interference October 21, 2022 A multiwavelength laser source known as a frequency comb provides a new technique for atom interferometry, potentially leading to new tests of fundamental physics. Research News New CERN Facility Allows Study of Radiation Damage to Materials October 20, 2022 CERN's "irradiation station" will investigate the effect of radiation on commercial materials, such as lubricants and gaskets, that are used regularly in accelerator beamlines and other radiation environments. synopsis Microscopic Reversibility Goes Quantum October 20, 2022 A fundamental principle in statistical mechanics called microscopic reversibility has been extended to the quantum world. synopsis Impurities Enable High-Quality Resistive Switching Devices October 19, 2022 Adding dopants to resistive random-access memories could enable the controllable operation of these devices in neuromorphic computing hardware synopsis How Soap Molecules Move Over Water October 18, 2022 Researchers can now predict exactly how soap molecules spread across a body of water, an everyday but surprisingly complex process. 1 Physics Ellipse, College Park, MD 20740 © 2022 American Physical Society | All rights reserved View Email Online You are receiving this message because you signed up to receive Physics Magazine email alerts or are a member of APS. Manage Email Preferences.

This Week in Physics - Potential Dark Matter Signal Gives Way to New Limits

This Week in Physics Magazine — October 17, 2022 Research News Potential Dark Matter Signal Gives Way to New Limits October 13, 2022 Results from two leading dark matter experiments—XENONnT and PandaX-4T—rule out an enigmatic signal detected in 2020 and set new constraints on dark matter particle candidates consisting of light fermions, respectively. synopsis An Absorbing Dark Matter Experiment October 13, 2022 Researchers have analyzed the first data from a dark matter direct-detection experiment, searching for a form of dark matter known as fermionic dark matter via its absorption by nuclei. Focus Spacecraft Makes Progress on Solar Heating Mystery October 14, 2022 Data from the Parker Solar Probe confirms a long-suspected heat source for the Sun's surprisingly hot corona, but there may be others. Viewpoint A "Green" Quantum Sensor Vadim Vorobyov – October 17, 2022 Researchers have demonstrated a quantum sensor that can power itself using sunlight and an ambient magnetic field, an achievement that could help reduce the energy costs of this energy-hungry technology. Research News Spacecraft Crash Changes Asteroid Orbit by 32 Minutes October 12, 2022 NASA has confirmed that its DART spacecraft has altered the trajectory of the asteroid that it crashed into two weeks ago, demonstrating the potential of this tool for planetary defense. synopsis The Gap-Free Helices of Sea Snails October 17, 2022 The shells of some mollusk species have compact helical structures that researchers propose develop from the self-assembly of a liquid-crystalline material. synopsis A Ferromagnet That Easily Sheds Spins October 12, 2022 Researchers demonstrate room-temperature spin transfer across an interface between an iron-based ferromagnet and a semiconductor, opening a route to creating novel spintronic devices. synopsis Water-Jet Patterns Predicted October 11, 2022 The patterns observed in a jet exiting a nozzle are directly related to the size of the nozzle's opening and to the rate at which water flows. 1 Physics Ellipse, College Park, MD 20740 © 2022 American Physical Society | All rights reserved View Email Online You are receiving this message because you signed up to receive Physics Magazine email alerts or are a member of APS. Manage Email Preferences.

This Week in Physics - Taking Control of Fusion Reactor Instabilities

This Week in Physics Magazine — October 10, 2022 Viewpoint Taking Control of Fusion Reactor Instabilities Saskia Mordijck – October 10, 2022 A mechanism for preventing destructive instabilities in magnetically confined plasmas provides a new way for scientists to operate future nuclear-fusion reactors. Research News Webb Telescope Searches for Exoplanet Atmospheres October 4, 2022 The recent detection of ${\text{CO}}_2$ around a distant Jupiter-like planet spurs optimism for detecting atmospheric gases around Earth-like planets orbiting faraway stars. Focus Nobel Prize: Quantum Entanglement Unveiled October 4, 2022 The 2022 Nobel Prize in Physics honors research on the foundations of quantum mechanics, which opened up the quantum information frontier. Research News A "Retro" Collider Design for a Higgs Factory October 6, 2022 The Cool Copper Collider is a new proposal for a Higgs-producing linear collider that would be more compact than other collider designs. synopsis An Exotic Fractional Quantum Hall State October 6, 2022 The even-denominator state appears in a 2D quasiparticle system, but researchers still can't explain its origin. synopsis A Quantum Entanglement Assembly Line October 5, 2022 A new experiment generates entanglement between many photons with a much higher probability than available methods, which could be a boon for quantum information applications. synopsis Longer-Than-Expected Twirls for Polariton Condensates October 4, 2022 A polariton condensate can spontaneously rotate, causing it to live significantly longer than individual polaritons would. 1 Physics Ellipse, College Park, MD 20740 © 2022 American Physical Society | All rights reserved View Email Online You are receiving this message because you signed up to receive Physics Magazine email alerts or are a member of APS. Manage Email Preferences.