• A new kind of experiment at the LHC could unravel quantum reality

    Updated: 2024-04-24 16:00:00
    The Large Hadron Collider is testing entanglement in a whole new energy range, probing the meaning of quantum theory – and the possibility that an even stranger reality lies beneath

  • This Week’s Hype

    Updated: 2024-04-23 18:03:10
    Until about a year and a half ago, the way to get funding in physics was to somehow associate yourself to the hot trend of quantum computing and quantum information theory. Large parts of the string theory and quantum gravity … Continue reading →

  • Witnessing the Birth of Skyrmions

    Updated: 2024-04-22 10:00:00
    Author(s): Hee Seong Yun and Dong Ki Yoon Using thin layers of chiral nematic liquid crystals, researchers have observed the formation dynamics of skyrmions.[Physics 17, 69] Published Mon Apr 22, 2024

  • Uncovering Networks in Rainforest Plants

    Updated: 2024-04-19 10:00:00
    Author(s): Philip BallThe spatial arrangement of plants in a rainforest corresponds to a special “critical” state that could be vital for ecosystem robustness.  [Physics 17, 68] Published Fri Apr 19, 2024

  • Seeing Collisions in Cold Molecular Clouds

    Updated: 2024-04-18 10:00:00
    Author(s): Matteo RiniDense ensembles of laser-cooled molecules allow the observation of molecular collisions—a result that could lead to applications of cold molecular gases in quantum simulation and fundamental physics tests.[Physics 17, s47] Published Thu Apr 18, 2024

  • Link Verified between Turbulence and Entropy

    Updated: 2024-04-17 10:00:00
    Author(s): Charles DayThe verification of a 63-year-old hypothesis indicates that nonequilibrium statistical mechanics could act as a theoretical framework for describing turbulence.[Physics 17, s45] Published Wed Apr 17, 2024

  • Enhanced Interactions Using Quantum Squeezing

    Updated: 2024-04-17 10:00:00
    Author(s): Wei Qin and Franco NoriA quantum squeezing method can enhance interactions between quantum systems, even in the absence of precise knowledge of the system parameters.[Physics 17, 64] Published Wed Apr 17, 2024

  • Quantum Machine Learning Goes Photonic

    Updated: 2024-04-16 10:00:00
    Author(s): Rachel BerkowitzMeasuring a photon’s angular momentum after it passes through optical devices teaches an algorithm to reconstruct the properties of the photon’s initial quantum state.[Physics 17, s41] Published Tue Apr 16, 2024

  • Quantum “Torch” Begins Its Relay

    Updated: 2024-04-16 10:00:00
    Author(s): Michael SchirberA quantum light source is touring European labs in preparation for the 2025 International Year of Quantum Science and Technology.[Physics 17, 66] Published Tue Apr 16, 2024

  • Science Outreach News

    Updated: 2024-04-16 00:37:00
    A few items on the science outreach front: The Oscars of Science were held Saturday night in Hollywood, with a long list of A-listers in attendance, led by Kim Kardashian. More here, here and here. You’ll be able to watch … Continue reading →

  • Viewing a Quantum Spin Liquid through QED

    Updated: 2024-04-15 10:00:00
    Author(s): Oleg StarykhA numerical investigation has revealed a surprising correspondence between a lattice spin model and a quantum field theory.[Physics 17, 63] Published Mon Apr 15, 2024

  • What is String Theory?

    Updated: 2024-04-11 21:04:45
    This semester the KITP has been running a program asking What is String Theory?, which is winding up next week, and was promising to “arrive at a deeper answer to the question in the title.” It seems though that this … Continue reading →

  • How Peter Higgs revealed the forces that hold the universe together

    Updated: 2024-04-11 15:40:29
    The physicist Peter Higgs quietly revolutionised quantum field theory, then lived long enough to see the discovery of the Higgs boson he theorised. Despite receiving a Nobel prize, he remained in some ways as elusive as the particle that shares his name

  • Seven Astrophysical Tau Neutrinos Unmasked

    Updated: 2024-04-11 10:00:00
    Author(s): Katherine WrightScientists have found seven astrophysical tau neutrinos—particles that are notoriously difficult to detect—in an analysis of data from the IceCube Neutrino Observatory in Antarctica.[Physics 17, 58] Published Thu Apr 11, 2024

  • How to Speed up a Quantum Network

    Updated: 2024-04-10 10:00:00
    Author(s): David EhrensteinSending photons to a remote site in groups should allow quantum links to be more rapidly established across future quantum networks than if photons are sent one at a time.[Physics 17, s44] Published Wed Apr 10, 2024

  • Evidence of a New Subatomic Particle

    Updated: 2024-04-09 10:00:00
    Author(s): Rachel BerkowitzA signal from the decay products of a meson—a quark and an antiquark—comes from two subatomic particles and not one, as previously thought.[Physics 17, s37] Published Tue Apr 09, 2024

  • High-Precision Map of the Universe Defies Conventional Cosmology

    Updated: 2024-04-09 10:00:00
    Author(s): David EhrensteinAnalysis of the most precise three-dimensional map of the Universe delivers hints of a tension with the standard model of cosmology.[Physics 17, 59] Published Tue Apr 09, 2024

  • Thermal Conductivity Not Too Hot to Handle

    Updated: 2024-04-05 10:00:00
    Author(s): Rachel BerkowitzA radiometry technique directly measures thermal conductivity in molten metals and confirms the relationship with electrical resistivity.[Physics 17, s25] Published Fri Apr 05, 2024

  • Stiffening a Spring Made of Light

    Updated: 2024-04-04 10:00:00
    Author(s): Marric StephensAdding a nonlinear crystal to an optical spring can change the spring’s stiffness, a finding that could allow the use of such devices as gravitational-wave detectors.[Physics 17, s40] Published Thu Apr 04, 2024

  • Probing Liquid Water’s Structure with Attosecond X-Ray Pulses

    Updated: 2024-04-04 10:00:00
    Author(s): Charles DayUsing an ultrafast technique, researchers shed light on how the hydrogen-bonded structure of water is reflected in its x-ray spectrum.[Physics 17, 56] Published Thu Apr 04, 2024

  • Shape Matters in Self-Assembly

    Updated: 2024-04-03 10:00:00
    Author(s): Michael SchirberA theoretical study of self-assembly finds that hexagon-shaped building blocks can form large structures faster than triangular or square blocks.[Physics 17, s36] Published Wed Apr 03, 2024

  • Shielding Quantum Light in Space and Time

    Updated: 2024-04-03 10:00:00
    Author(s): Giuseppe FumeroA way to create single photons whose spatiotemporal shapes do not expand during propagation could limit information loss in future photonic quantum technologies.[Physics 17, 53] Published Wed Apr 03, 2024

  • A Counterintuitive Set of Tunneling Effects Observed at Last

    Updated: 2024-04-02 10:00:00
    Author(s): Charles DayGraphene is the setting for the first demonstration of relativistic electrons’ paradoxical ability to whiz through a barrier, provided the barrier is high enough.[Physics 17, s43] Published Tue Apr 02, 2024

  • Making Sense of Handedness on a Lattice

    Updated: 2024-04-02 10:00:00
    Author(s): Michael SchirberDavid Kaplan has developed a lattice model for particles that are left- or right-handed, offering a firmer foundation for the theory of weak interactions.[Physics 17, 54] Published Tue Apr 02, 2024

  • The Neuron vs the Synapse: Which One Is in the Driving Seat?

    Updated: 2024-04-01 10:00:00
    Author(s): David DahmenA new theoretical framework for plastic neural networks predicts dynamical regimes where synapses rather than neurons primarily drive the network’s behavior, leading to an alternative candidate mechanism for working memory in the brain.[Physics 17, 50] Published Mon Apr 01, 2024

  • Nuclear Physics from Particle Physics

    Updated: 2024-03-29 10:00:00
    Author(s): Charles DayA new theoretical analysis connects the results of high-energy particle experiments at the Large Hadron Collider with three-proton correlations inside nuclei.[Physics 17, s42] Published Fri Mar 29, 2024

  • A New Source for Quantum Light

    Updated: 2024-03-29 10:00:00
    Author(s): Michael SchirberA new device consisting of a semiconductor ring produces pairs of entangled photons that could be used in a photonic quantum processor.[Physics 17, 51] Published Fri Mar 29, 2024

  • One Ring to Measure Blood-Glucose Level

    Updated: 2024-03-28 10:00:00
    Author(s): Martin Rodriguez-VegaA proposed ring-shaped device could measure the concentration of glucose in a person’s blood to an accuracy sufficient to make it clinically useful.[Physics 17, s34] Published Thu Mar 28, 2024

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