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“#Physicists discover new magnetoelectric effect” Credit: CC0 Public Domain Electricity and magnetism are closely related: Power lines generate a magnetic field, rotating magnets in a generator produce electricity. However, the phenomenon is much more complicated: electrical and magnetic properties of certain materials are also coupled with each other. Electrical properties of some crystals can be…
“#Test of wave function collapse suggests gravity is not the answer” September 10, 2020 report The Diósi–Penrose (DP) model of gravity-related wave function collapse. a, According to quantum gravity, a spatial quantum superposition of a system (red sphere) generates a superposition of different spacetime curvatures (grey sheets), corresponding to the possible different locations of the…
“#Magnetic whirls crystallize in two dimensions” Image of an experimental skyrmion structure: The hexagonal arrangement and orientation are shown as an example. Credit: Jakub Zázvorka, Florian Dittrich In a collaboration between experimental physicists and theoretical physicists in the framework of the Dynamics and Topology (TopDyn) excellence project, a system of many small magnetic whirls could…
“#Adapting ideas from quantum physics to calculate alternative interventions for infection and cancer” Credit: CC0 Public Domain Published in Nature Physics, findings from a new study co-led by Cleveland Clinic and Case Western Reserve University teams show for the first time how ideas from quantum physics can help develop novel drug interventions for bacterial infections…
“#Controlling the electron spin: Flip it quickly but carefully” Credit: Pixabay/CC0 Public Domain Over the past two decades, a new area at the interface of semiconductor physics, electronics and quantum mechanics has been gaining popularity among theoretical physicists and experimenters. This new field is called spintronics, and one of its main tasks is to learn…
“#Scientists discover way to make quantum states last 10,000 times longer” A team of scientists at the University of Chicago’s Pritzker School of Molecular Engineering announced the discovery of a simple modification that allows quantum systems to stay operational—or “coherent”—10,000 times longer than before. Credit: University of Chicago If we can harness it, quantum technology…
“#Demonstrating entanglement through a fiber cable with high fidelity” Basic principle. Credit: Nature Physics (2020). DOI: 10.1038/s41567-020-0970-1 A team of researchers from Heriot-Watt University, the Indian Institute of Technology and the University of Glasgow has demonstrated a way to transport entangled particles through a commercial fiber cable with 84.4% fidelity. In their paper published in…
“#Glass blowing inspires new class of quantum sensors” Three glass rings by artist Karen Cunningham. The colored light reveals the internal line of the diamond used in the artwork. Credit: Michael Haines Photography When Adelaide glass blower Karen Cunningham made art using diamond and glass she had no idea it would inspire a new kind…
“#An electrical switch for magnetism” (Top) Schematic of field-effect transistor based on ultra-thin ferromagnetic semiconductor Cr2Ge2Te6. The material is covered with an ion gel to enhance the field effect. (Bottom) Magneto-resistance (MR) with increasing (blue) and decreasing (red) magnetic field sweeps. When the gate voltage (VG) is increased from 3 V (left) to 4 V…
“#Casimir force used to control and manipulate objects” Credit: Jake Art A collaboration between researchers from the University of Western Australia and the University of California Merced has provided a new way to measure tiny forces and use them to control objects. The research, published today in Nature Physics, was jointly led by Professor Michael…