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World renowned physicist Stephen Hawking has died at the age of 76. He died peacefully at his home in Cambridge in the early hours of Wednesday, his family said. The Briton was known for his work with black holes and relativity, and wrote several popular science books including A Brief History of Time. At the…
Quasiparticles called rotons have been seen for the first time in a Bose–Einstein condensate (BEC) of ultracold atoms. The research was done by physicists in Austria, Germany and Italy and could lead to new insights into superfluids and supersolids. Almost 80 years ago, the Soviet physicist and Nobel laureate Lev Landau developed the mathematical underpinnings of superfluid…
Richard Taylor, the Canadian particle physicist who shared the 1990 Nobel Prize for Physics, has died at the age of 88. Taylor spent most of his professional life at Stanford University and the nearby SLAC National Accelerator Laboratory in California, where he did pioneering experiments that provided the first experimental evidence that protons and neutrons are made of quarks. Taylor…
Van der Waals (vdW) solids have attracted great attention ever since the discovery of graphene, with the essential feature being the weak chemical bonding across the vdW gap. The nature of these weak interactions is decisive for many extraordinary properties, but it is a strong challenge for current theory to accurately model long-range electron correlations….