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Categories: Paleontology: Dinosaurs, Physics: Quantum Physics
Published Destroying the superconductivity in a kagome metal
(via sciencedaily.com) A recent study has uncovered a distinct disorder-driven superconductor-insulator transition. This first electric control of superconductivity and quantum Hall effect in a candidate material for future low-energy electronics has promise to reduce the rising, unsustainable energy cost of computing.
Published Quantum chemistry: Molecules caught tunneling
(via sciencedaily.com) Quantum effects can play an important role in chemical reactions. Physicists have now observed a quantum mechanical tunneling reaction in experiments. The observation can also be described exactly in theory. The scientists provide an important reference for this fundamental effect in chemistry. It is the slowest reaction with charged particles ever observed.
Published Dinosaur claws used for digging and display
(via sciencedaily.com) Dinosaur claws had many functions, but now a team has shown some predatory dinosaurs used their claws for digging or even for display.
Published Clear sign that quark-gluon plasma production 'turns off' at low energy
(via sciencedaily.com) Physicists report new evidence that production of an exotic state of matter in collisions of gold nuclei at the Relativistic Heavy Ion Collider (RHIC) can be 'turned off' by lowering the collision energy. The findings will help physicists map out the conditions of temperature and density under which the exotic matter, known as a quark-gluon plasma (QGP), can exist and identify key features of the phases of nuclear matter.
Published New material may offer key to solving quantum computing issue
(via sciencedaily.com) A new form of heterostructure of layered two-dimensional (2D) materials may enable quantum computing to overcome key barriers to its widespread application, according to an international team of researchers.
Published Unusual atom helps in search for Universe's building blocks
(via sciencedaily.com) An unusual form of caesium atom is helping a research team unmask unknown particles that make up the Universe.
Published Evolution of dinosaur body size through different developmental mechanisms
(via sciencedaily.com) The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly different dinosaur sizes evolved recently found -- to their surprise -- that smaller and larger theropod dinosaurs like these didn't necessarily get that way merely by growing slower or faster.
Published Heterostructures support predictions of counterpropagating charged edge modes at the v=2/3 fractional quantum Hall state
(via sciencedaily.com) Original source Researchers have tested models of edge conduction with a device built on top of the semiconductor heterostructure which consists of gold gates that come close together. Voltage is applied on the gates to direct the edge states through the middle of the point contact, where they are close enough that quantum tunneling can occur between the edge states on opposite sides the sample. Changes in the electrical current flowing through the device are used to test the theorists' predictions.
Published Let there be (controlled) light
(via sciencedaily.com) In the very near future, quantum computers are expected to revolutionize the way we compute, with new approaches to database searches, AI systems, simulations and more. But to achieve such novel quantum technology applications, photonic integrated circuits which can effectively control photonic quantum states -- the so-called qubits -- are needed. Physicists have made a breakthrough in this effort: for the first time, they demonstrated the controlled creation of single-photon emitters in silicon at the nanoscale.
Published Theory can sort order from chaos in complex quantum systems
(via sciencedaily.com) Theoretical chemists have developed a theory that can predict the threshold at which quantum dynamics switches from 'orderly' to 'random,' as shown through research using large-scale computations on photosynthesis models.
Published The quantum twisting microscope: A new lens on quantum materials
(via sciencedaily.com) One of the striking aspects of the quantum world is that a particle, say, an electron, is also a wave, meaning that it exists in many places at the same time. Researchers make use of this property to develop a new type of tool -- the quantum twisting microscope (QTM) -- that can create novel quantum materials while simultaneously gazing into the most fundamental quantum nature of their electrons.
Published Physicists give the first law of thermodynamics a makeover
(via sciencedaily.com) Physicists at West Virginia University have made a breakthrough on an age-old limitation of the first law of thermodynamics.
Published New quantum sensing technique reveals magnetic connections
(via sciencedaily.com) A research team demonstrates a new way to use quantum sensors to tease out relationships between microscopic magnetic fields.
Published Engineers discover a new way to control atomic nuclei as 'qubits'
(via sciencedaily.com) Researchers propose a new approach to making qubits, the basic units in quantum computing, and controlling them to read and write data. The method is based on measuring and controlling the spins of atomic nuclei, using beams of light from two lasers of slightly different colors.
Published Proposed quantum device may succinctly realize emergent particles such as the Fibonacci anyon
(via sciencedaily.com) Tenacity has taken a roadblock and turned it into a possible route to the development of quantum computing.
Published Securing supply chains with quantum computing
(via sciencedaily.com) New research in quantum computing is moving science closer to being able to overcome supply-chain challenges and restore global security during future periods of unrest.
Published When the light is neither 'on' nor 'off' in the nanoworld
(via sciencedaily.com) Scientists detect the quantum properties of collective optical-electronic oscillations on the nanoscale. The results could contribute to the development of novel computer chips.
Published Oldest spinosaur brains revealed
(via sciencedaily.com) Researchers have reconstructed the brains and inner ears of two British spinosaurs, helping uncover how these large predatory dinosaurs interacted with their environment.
Published Researchers detail never-before-seen properties in a family of superconducting Kagome metals
(via sciencedaily.com) Researchers have used an innovative new strategy combining nuclear magnetic resonance imaging and a quantum modeling theory to describe the microscopic structure of Kagome superconductor RbV3Sb5 at 103 degrees Kelvin, which is equivalent to about 275 degrees below 0 degrees Fahrenheit.
Published Scientists boost quantum signals while reducing noise
(via sciencedaily.com) Researchers have developed a special type of amplifier that uses a technique known as squeezing to amplify quantum signals by a factor of 100 while reducing the noise that is inherent in quantum systems by an order of magnitude. Their device is the first to demonstrate squeezing over a broad frequency bandwidth of 1.75 gigahertz, nearly two orders of magnitude higher than other architectures.