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black holes curved spacetime and quantum computing Black Holes, Curved Spacetime and Quantum Computing
ASTRO WATCH Rotating black holes and computers that use quantum-mechanical phenomena to process information are topics that have fascinated science lovers for decades, but... 16 hours
X-Rays from Accretion Disks around Rotating Black Holes Can Act as Carriers of Quantum Information
SCI-NEWS.COM In a paper published in the... 2 days
State-to-state chemistry for three-body recombination in an ultracold rubidium gas
Science Magazine Experimental investigation of chemical reactions with full quantum state resolution for all reactants and products has been a long-term challenge. Here we prepare an ultracold few-body quantum state... 3 days
Nano-'hashtags' could be the key to generating the highly sought Majorana quasiparticle
PHYS.ORG UC Santa Barbara scientists are on the cusp of a major advance in topological quantum computing. 3 days
Researcher sketches a path toward quantum computing
PHYS.ORG As new devices move quantum computing closer to practical use, the journal Nature recently asked Princeton computer scientist Margaret Martonosi and two colleagues to assess the state of software needed to exploit this powerful... 3 days
Quantum computing with molecules for a quicker search of unsorted databases
SCIENCE DAILY Scrapbooks or social networks are collections of mostly unsorted data. The search for single elements in very large data volumes, i.e. for the needle in the... 4 days
Simple is beautiful in quantum computing
PHYS.ORG Quantum computing could solve problems impossible for today's supercomputers. The challenge for this new form of computing is processing the quantum bits (qubits) that represent data. A qubit can be made by controlling the orientation of... 4 days
Essential quantum computer component downsized by two orders of magnitude
PHYS.ORG Qubits, or quantum bits, are the key building blocks at the heart of every quantum computer. In order to perform a computation, signals are directed to and from... 4 days
Essential quantum computer component downsized by two orders of magnitude
SCIENCE DAILY Qubits, the key building blocks at the heart of every quantum computer, are extremely sensitive to interference and need to be shielded from unwanted signals, for example by... 5 days
Quantum computing with molecules for a quicker search of unsorted databases
PHYS.ORG Scrapbooks or social networks are collections of mostly unsorted data. The search for single elements in very large data volumes, i.e. for the needle in the... 5 days
Black holes, curved spacetime and quantum computing
PHYS.ORG Rotating black holes and computers that use quantum-mechanical phenomena to process information are topics that have fascinated science lovers for decades, but even the most innovative thinkers rarely put them together. Now, however, theoretical... 5 days
Physicists mix waves on superconducting qubits
PHYS.ORG Physicists from the Moscow Institute of Physics and Technology (MIPT) and Royal Holloway, University of London, have demonstrated an effect known as quantum wave mixing on an artificial atom. Their results, published in the journal Nature... 5 days
Monopole current offers way to control magnets
PHYS.ORG In work published in Physical Review Letters, scientists from RIKEN in Japan have discovered interesting new magnetic properties of a type of materials known as "quantum spin ice." These materials demonstrate interesting properties as... 6 days
Physicists Confirm Quantum Theory Proposed in the 1930s
SCI-NEWS.COM Professor David McKenzie from the University of Sydney and his PhD student Enyi Guo have demonstrated quantum tunneling in water... 6 days
A simple soak for a solar tune-up
PHYS.ORG The performance of solar cells that consist of semiconductor nanoparticles surrounded by ligand molecules is now easier to control. Researchers from KAUST have developed a method that enhances the ability of these colloidal quantum... 6 days
Moire excitons: From programmable quantum emitter arrays to spin-orbit-coupled artificial lattices
Science Magazine Highly uniform and ordered nanodot arrays are crucial for high-performance quantum optoelectronics, including new semiconductor lasers and single-photon emitters, and for synthesizing artificial lattices of interacting... 1 week
IBM says it's reached milestone in quantum computing
PHYS.ORG IBM has announced a milestone in its race against Google and other big tech firms to build a powerful quantum computer. 1 week
'Perfectly frustrated' metal provides possible path to superconductivity
SCIENCE DAILY The US Department of Energy's Ames Laboratory has discovered and described the existence of a unique disordered electron spin state in a metal that may provide a unique pathway to finding and... 1 week
Quantum computers take a step forward with a 50-qubit prototype
SCIENCE-NEWS Race to build ever-more-powerful processors edges the technology closer to being able to best traditional machines. 1 week
Researchers develop practical superconducting nanowire single-photon detector with record detection efficiency
PHYS.ORG Superconducting nanowire single-photon detectors (SNSPDs) are significantly better at photon detection efficiency (DE) compared to their semiconducting counterparts, and have enabled many breakthrough applications in quantum... 1 week
'Perfectly frustrated' metal provides possible path to superconductivity, other new quantum states
PHYS.ORG The U.S. Department of Energy's Ames Laboratory has discovered and described the existence of a unique disordered electron spin state in a metal that... 1 week
Ion qubits offer early glimpse of quantum error detection
PHYS.ORG Computers based on quantum physics promise to solve certain problems much faster than their conventional counterparts. By utilizing qubits—which can have more than just the two values of ordinary bits—quantum... 1 week
Hard computing problem might be solvable only by quantum computers
PHYS.ORG (Phys.org)—Researchers have introduced a new computing problem and shown that it would be extremely difficult, if not impossible, for a classical computer to solve, but in theory it... 2 weeks
New architecture could prove essential for high-performance quantum photonic circuits
PHYS.ORG Scientists at the National Institute of Standards and Technology (NIST) and their collaborators have taken a new step forward in the quest to build quantum photonic circuits—chip-based devices... 2 weeks
Theoretical physicists model complex quantum processes with cold atoms and ions
PHYS.ORG A group of researchers from Russia, Germany and Iran have developed computational methods toward a theory describing the behavior of cold atoms and ions in optical... 2 weeks
Quantum tunnelling in water opens the way to improved biosensing
PHYS.ORG Researchers at the University of Sydney have applied quantum techniques to understanding the electrolysis of water, which is the application of an electric current to H2O to produce... 2 weeks
Tech increases microfluidic research data output 100-fold
SCIENCE DAILY Researchers have developed a technique that allows users to collect 100 times more spectrographic information per day from microfluidic devices, as compared to the previous industry standard. The novel technology has already led to... 2 weeks
New quantum materials offer novel route to 3-D electronic devices
SCIENCE DAILY Researchers have shown how the principles of general relativity open the door to novel electronic applications such as a three-dimensional electron lens and electronic invisibility devices. 2 weeks
Fireworks from atoms at ultra-low temperatures
SCIENCE DAILY Scientists aren't normally treated to fireworks when they discover something about the universe. But a team of researchers found a show waiting for them at the atomic level -- along with a new form of quantum... 2 weeks
Scientists see fireworks from atoms at ultra-low temperatures
PHYS.ORG Scientists aren't normally treated to fireworks when they discover something about the universe. But a team of University of Chicago researchers found a show waiting for them at the atomic level—along with... 2 weeks
Need entangled atoms? Get 'Em FAST! With NIST's new patent-pending method
PHYS.ORG Physicists at the National Institute of Standards and Technology (NIST) have come up with a way to link a group of atoms' quantum mechanical properties among... 2 weeks
Volkswagen, Google cooperate on quantum computing research
PHYS.ORG German automaker Volkswagen and Google have announced plans to cooperate in exploring possible uses in the auto industry for quantum computers. 2 weeks
Technology increases microfluidic research data output 100-fold
PHYS.ORG VIDEO Researchers have developed a technique that allows users to collect 100 times more spectrographic information per day from microfluidic devices, as compared to the previous industry standard. The novel technology has already led to... 2 weeks
New quantum materials offer novel route to 3-D electronic devices
PHYS.ORG Researchers have shown how the principles of general relativity open the door to novel electronic applications such as a three-dimensional electron lens and electronic invisibility devices. In a... 2 weeks
Quantum computing on the move
PHYS.ORG A future quantum computer, using quantum bits, or qubits, might be able to solve problems that are not tractable for classical computers. Scientists are currently struggling to build devices with more than a few qubits, as they mutually... 2 weeks
Physicists develop a device that could provide conclusive evidence for the existence (or not) of non-Abelian anyons
PHYS.ORG What kinds of 'particles' are allowed by nature? The answer lies in the theory... 2 weeks
Researchers develop data bus for quantum computer
SCIENCE DAILY The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists have developed a protocol to pass quantum... 2 weeks
Researchers develop data bus for quantum computer
PHYS.ORG The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to... 2 weeks
Black holes with 'dreadlocks' offer insight into quantum matter
PHYS.ORG Physicists understand little about quantum matter, which is a building block of future quantum computers. Theorists have now discovered that black holes with 'dreadlocks' harbor a similarly exotic order pattern,... 2 weeks
The element erbium could pave the way to a quantum internet
PHYS.ORG If you were to try reciting the periodic table, you might stumble before you got to the rare earth elements. 2 weeks
A new kind of quantum computer
PHYS.ORG Quantum mechanics incorporates some very non-intuitive properties of matter. Quantum superposition, for example, allows an atom to be simultaneously in two different states with its spin axis pointed both up and down, or combinations in between.... 2 weeks
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Technology increases microfluidic research data output 100-fold
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