Tag Archives | quantum

magnetic_switching

Quantum tricks turbocharge magnetic storage

Researchers have found a new way to switch magnetism that is at least 1,000 times faster than methods currently used in magnetic memory technologies. The discovery, reported in Nature, potentially opens the door to terahertz (1012hertz) and faster memory speeds. The research team comprised scientists from the U.S. Department of Energy’s Ames Laboratory, Iowa State […]

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Are we living in a computer simulation? Physicists propose test to find out




In 2003, British philosopher Nick Bostrom (pictured) published a probabilistic analysis examining the possibility that we might all be living in a computer simulation. His conclusion – that we quite likely are living in a computer simulation – might soon be put to the test with experiments proposed by University of Washington physicists. In Bostrom’s […]




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buckyball_cage

Bucky ball “cage” imprisons smaller molecules




A quantum parlor trick where smaller molecules are “caged” inside the nano-meter sized cavity of a spherical bucky ball (C60 Buckminsterfullerene) molecule could point the way to advanced molecular electronics, say scientists from The University of Nottingham. As well as The University of Nottingham, the work also involved scientists from the US, Japan, France, Estonia […]




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First demonstration of coherent control of a quantum multi-resonator architecture




Physicists at the University of California – Santa Barbara have put a new slant on the shell game by demonstrating the ability to hide and shuffle “quantum-mechanical peas” – in this case single microwave photons – under and between three microwave resonators acting as quantized shells. Their paper, published in Nature Physics, is the first […]




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Naturally quantum critical material identified




In what researchers are calling a “dream system,” an exotic new superconductor based on the element ytterbium appears to exist in aquantum critical state naturally; a highly desirable property that could have profound implications for the manufacture of superconductors and electronics. In a paper published in the journal Science, the University of Tokyo and Rutgers […]




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Robustness of quantum entanglement in photosynthesis surprises researchers




The development of clean solar power may hinge on scientists being able to unravel the mysteries of photosynthesis, the process by which green plants convert sunlight into electrochemical energy. To this end, US researchers have recorded the first observation and characterization of quantum entanglement in photosynthesis. Previous experiments led by Berkeley Lab’s Graham Fleming (right […]




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Physicists get a glimpse of fault-tolerant qubits




Rice University and Princeton University physicists have uncovered a bizarre state of matter which acts like a particle that possesses what the researchers call a “quantum registry,” making it immune to information loss from external quantum perturbations. Writing in Physical Review Letters, the researchers explain that ultracold mixes of electrons caught in magnetic traps – […]




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flu_virus

Physicists to probe flu virus for macro quantum effects




The weird world of quantum mechanics describes the strange and spooky, often contradictory, behavior of small objects such as individual atoms. Now, European scientists have described an experiment to test for quantum superposition states in much larger objects, composed of as many as one billion atoms. The German-Spanish research group, split between the Max Planck […]




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golden_ratio

Physicists discover golden ratio in the quantum realm




An international team of researchers have for the first time observed a nanoscale symmetry hidden in solid state matter that shows the same attributes as the well known golden ratiofrom art and architecture. The new discovery appears in the current issue of Science. To reveal the hidden quantum symmetry, the researchers worked with the magnetic […]




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Universal quantum processor demonstrated




Physicists at the National Institute of Standards and Technology (NIST) have demonstrated a “universal” programmable quantum information processor that uses two quantum bits of information to run any program allowed by quantum mechanics. The demonstration marks the first time any research group has moved beyond demonstrating individual tasks for a quantum processor to perform programmable […]




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