A thermal superconducting quantum interference proximity transistor
Superconductors are materials that can achieve a state known as superconductivity, in which matter has no electrical resistance and does not allow the penetration of magnetic fields. At low temperatures, these materials are known to be highly effecti.....»»
Why every quantum computer will need a powerful classical computer
Error-correcting a quantum computer can mean processing 100TB every second. Enlarge / A single logical qubit is built from a large collection of hardware qubits. (credit: at digit) One of the more striking things about q.....»»
New method could yield fast, cross-country quantum network
Quantum computers offer powerful ways to improve cybersecurity, communications, and data processing, among other fields. To realize these full benefits, however, multiple quantum computers must be connected to build quantum networks or a quantum inte.....»»
No GPS, no problem: Researchers are making quantum sensing tools more compact and accurate to replace GPS
Fundamental physics—let alone quantum physics—might sound complicated to many, but it can actually be applied to solve everyday problems......»»
Quantum dot photon emitters violate Bell inequality in new study
A new study in Nature Physics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality. This method uses ultra-low power levels and could pave the way for scalable and efficient quantum t.....»»
Researchers realize time reversal through input-output indefiniteness
A research team has constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness. The study was published in Physical Review Lett.....»»
New strategies proposed for protecting thermal barrier coatings against environmental sediment corrosion
Lei Guo and others from Tianjin University in China discovered that the environmental sediments on the surface of aero engine turbine blades have a significant concentration of Fe, surpassing even the levels of Mg, Al, and Ca in certain zones. Conseq.....»»
Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%
Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color purity green LED with a tan.....»»
A new approach to realize quantum mechanical squeezing
Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, relies on the ability to man.....»»
Ab initio methods help scientists make sense of complex particle collisions
When atomic nuclei and subatomic particles interact, the results are incredibly complex. These are the "many body problems" of quantum mechanics. To help make sense of these interactions, scientists create ways to simplify the range of possible outco.....»»
A prototype superconducting coil opens the way for more energy-efficient electromagnets
How can we advance cutting-edge research but consume less energy? CERN's scientists are working on innovative solutions, and superconductivity is one of the key ingredients......»»
Novel 2D device for quantum cooling converts heat to voltage at ultra-low temperatures
EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of quantum computing technolog.....»»
Controlling magnetism with polarized light: Non-thermal pathway uses inverse Faraday effect
Intense laser pulses can be used to manipulate or even switch the magnetization orientation of a material on extremely short time scales. Typically, such effects are thermally induced, as the absorbed laser energy heats up the material very rapidly,.....»»
Searching for dark matter with the coldest quantum detectors in the world
One of the greatest mysteries of science could be one step closer to being solved. Approximately 80% of the matter in the universe is dark, meaning that it cannot be seen. In fact, dark matter is passing through us constantly—possibly at a rate of.....»»
Scientists achieve first intercity quantum key distribution with deterministic single-photon source
Conventional encryption methods rely on complex mathematical algorithms and the limits of current computing power. However, with the rise of quantum computers, these methods are becoming increasingly vulnerable, necessitating quantum key distribution.....»»
Cryptographers Are Discovering New Rules for Quantum Encryption
Researchers have proved that secure quantum encryption is possible in a world without hard problems, establishing a new foundation for what is needed to keep information secure......»»
Scientists discover way to "grow" sub-nanometer sized transistors
A research team led by Director Jo Moon-Ho of the Center for Van der Waals Quantum Solids within the Institute for Basic Science (IBS) has implemented a novel method to achieve epitaxial growth of 1D metallic materials with a width of less than 1 nm......»»
Genetic algorithm enables precise design of phononic crystals
The advent of quantum computers promises to revolutionize computing by solving complex problems exponentially more rapidly than classical computers. However, today's quantum computers face challenges such as maintaining stability and transporting qua.....»»
Using entangled particles to create unbreakable encryption
The discovery of quantum mechanics opened the door to fundamentally new ways of communicating, processing, and protecting data. With a quantum revolution well underway, long unimaginable opportunities are coming within our reach......»»
Scientists create the thinnest lens on Earth, enabled by excitons
Lenses are used to bend and focus light. Normal lenses rely on their curved shape to achieve this effect, but physicists from the University of Amsterdam and Stanford University have made a flat lens of only three atoms thick that relies on quantum e.....»»
Researchers apply quantum computing methods to protein structure prediction
Researchers from Cleveland Clinic and IBM have recently published findings in the Journal of Chemical Theory and Computation that could lay the groundwork for applying quantum computing methods to protein structure prediction......»»