Category: 4. Physics

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  • Mitigation of sulfide adsorption in natural gas by silanized stainless steel: insights from density functional theory

    Mitigation of sulfide adsorption in natural gas by silanized stainless steel: insights from density functional theory

    Sulfur compounds like hydrogen sulfide, methyl mercaptan, ethyl mercaptan, and thionyl carbon pose safety risks1,2, induce pipeline corrosion, and impacting on natural gas quality. Consequently, monitoring these compounds throughout the stages of…

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  • Classical simulability of constant-depth linear-optical circuits with noise

    Classical simulability of constant-depth linear-optical circuits with noise

    Linear-optical circuits with single photons

    Consider M-mode linear-optical circuits with N single-photon inputs and arbitrary local measurements. Linear-optical circuits consist of beam-splitter layers, which may be geometrically non-local, i.e.,…

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  • Quantum tunneling mystery solved after 100 years—and it involves a surprise collision

    Quantum tunneling mystery solved after 100 years—and it involves a surprise collision

    Recently, Professor Dong Eon Kim from POSTECH’s Department of Physics and Max Planck Korea-POSTECH Initiative and his research team have succeeded in unraveling for the first time the mystery of the ‘electron tunneling’ process, a core concept in…

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  • Take the Big Mysteries in Physics Survey

    • Physics 18, 140

    Did time start at the big bang? What happens if you fall into a black hole? What explains the mysterious dark matter? Weigh in on the toughest questions facing physicists today.

    Ricardo/stock.adobe.com;…

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  • Let’s Twist Again: Seeing Spin Spirals in Action

    Let’s Twist Again: Seeing Spin Spirals in Action

      Daniel Schick

      • Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Berlin, German

    • Physics 18, 139

    Using ultrafast x-ray pulses, researchers have probed the chirality of spin spirals in synthetic…

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  • Breaking the Speed Limit: High-Speed Optical Coherence Modulation With Lithium Niobate

    Breaking the Speed Limit: High-Speed Optical Coherence Modulation With Lithium Niobate

    Overcoming conventional technological limitations to realize high-speed optical coherence modulation at 350 kHz. Structured light fields possess a wide range of unique and powerful characteristics. By gaining greater control over their optical…

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  • An ‘impossible’ 20-electron molecule challenges 100 years of chemistry

    An ‘impossible’ 20-electron molecule challenges 100 years of chemistry

    For over a century, the well-known 18-electron rule has guided the field of organometallic chemistry. Now, researchers at Okinawa Institute of Science and Technology (OIST) have successfully synthesized a novel organometallic compound that…

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  • Pollutant dispersion and nanoparticle dynamics in magnetized bioconvection for sustainable water treatment

    Pollutant dispersion and nanoparticle dynamics in magnetized bioconvection for sustainable water treatment

    Pollutant dispersion and nanoparticle dynamics in magnetized bioconvection for sustainable water treatment

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