A "beyond-quantum" equivalence principle for superposition and entanglement
The physics of the microrealm involves two famous and bizarre concepts: The first is that prior to observation, it is impossible to know with certainty the outcome of a measurement on a particle; rather the particle exists in a "superposition" encomp.....»»
The world is one step closer to secure quantum communication on a global scale
Researchers at the University of Waterloo's Institute for Quantum Computing (IQC) have brought together two Nobel prize-winning research concepts to advance the field of quantum communication......»»
Beyond cloning: Harnessing the power of virtual quantum broadcasting
In a new study, scientists propose the concept of "virtual quantum broadcasting," which provides a workaround to the longstanding no-cloning theorem, thereby offering new possibilities for the transmission of quantum information......»»
Study outlines spectroscopic signatures of fractionalization in octupolar quantum spin ice
Quantum spin liquids are fascinating quantum systems that have recently attracted significant research attention. These systems are characterized by a strong competition between interactions, which prevents the establishment of a long-range magnetic.....»»
Quantum talk with magnetic disks
Quantum computers promise to tackle some of the most challenging problems facing humanity today. While much attention has been directed towards the computation of quantum information, the transduction of information within quantum networks is equally.....»»
Using polarization to improve quantum imaging
Quantum imaging is a growing field that takes advantage of the counterintuitive and "spooky" ability of light particles, or photons, to become linked, or entangled, under specialized circumstances. If the state of one photon in the entangled duo gets.....»»
Cleaning up environmental contaminants with quantum dot technology
The 2023 Nobel Prize in Chemistry was focused on quantum dots—objects so tiny, they're controlled by the strange and complex rules of quantum physics. Many quantum dots used in electronics are made from toxic substances, but their nontoxic counterp.....»»
Surviving the “quantum apocalypse” with fully homomorphic encryption
In the past few years, an increasing number of tech companies, organizations, and even governments have been working on one of the next big things in the tech world: successfully building quantum computers. These actors see a lot of potential in the.....»»
Researchers achieve >99% photoluminescence quantum yield in metal nanoclusters
A research team has achieved near-unity room-temperature photoluminescence quantum yield (PLQY) (>99%) in the near-infrared (NIR) emission of metal nanoclusters in solution. Their work is published in Science......»»
Elegant use of noise for quantum computing
Scientists around the world work hard to rinse quantum systems for noise, which may disturb the function of tomorrow's powerful quantum computers. Researchers from the Niels Bohr Institute (NBI) have found a way to use noise to process quantum inform.....»»
Never-Repeating Patterns of Tiles Can Safeguard Quantum Information
Two researchers have proved that Penrose tilings, famous patterns that never repeat, are mathematically equivalent to a kind of quantum error correction......»»
Direct laser writing on halide perovskites: From mechanisms to applications
Metal halide perovskites have become well-deserved "star" materials among a variety of semiconductors owing to their excellent optoelectronic properties, such as high photoluminescence (PL) quantum yield (QY), high absorption coefficient, tunable ban.....»»
QuProtect Core Security secures Cisco routers against quantum threats
QuSecure unveiled QuProtect Core Security, a product designed to fortify existing Cisco router-to-router communications against emerging quantum threats. Leveraging advanced crypto-agile post-quantum cryptography, QuProtect Core Security offers a sea.....»»
Quantum dance to the beat of a drum: Researchers observe how energy of single electron is tuned by surrounding atoms
Physicists at the University of Regensburg have choreographed the shift of a quantized electronic energy level with atomic oscillations faster than a trillionth of a second......»»
Surviving fishing gear entanglement isn"t enough for endangered right whales. Females still don"t breed afterward
It sounds like a crime show episode at sea: In late January 2024, federal regulators learned that a dead female North Atlantic right whale had been sighted near Martha's Vineyard, Massachusetts. The whale was towed to shore, where more than 20 U.S. a.....»»
Rope entanglement found to be a cause of low breeding rates in right whales
New findings show the severe impact of fishing gear entanglements on the survival of critically endangered North Atlantic right whales, with every injury from entanglements impacting population recovery......»»
Powerful new tool ushers in new era of quantum materials research
Research in quantum materials is paving the way for groundbreaking discoveries and is poised to drive technological advancements that will redefine the landscapes of industries like mining, energy, transportation, and medtech......»»
Materials research explores design rules and synthesis of quantum memory candidates
In the quest to develop quantum computers and networks, there are many components that are fundamentally different than those used today. Like a modern computer, each of these components has different constraints. However, it is currently unclear whi.....»»
Quantum-mechanical "molecules" spotted in superconducting devices
Electronic states that resemble molecules and are promising for use in future quantum computers have been created in superconducting circuits by physicists at RIKEN......»»
Quantum imaging could create bright future for advanced microscopes
The unique properties of quantum physics could help solve a longstanding problem that prevents microscopes from producing sharper images at the smallest scales, researchers say......»»
Scientists propose new scheme for the quantum battery using waveguides
A new study by researchers at Boston University proposes a quantum battery (QB) charging scheme based on a rectangular hollow metal waveguide. This approach allows them to overcome environment-induced decoherence and charging distance limitations. Th.....»»