Absolute zero in the quantum computer: Formulation for the third law of thermodynamics
When many quantum particles interact, complex systems can be formed. And this complexity allows reaching a temperature of absolute zero—at least in principle......»»
As quantum computing threats loom, Microsoft updates its core crypto library
Two algorithms added so far, two more planned in the coming months. Enlarge (credit: Getty Images) Microsoft has updated a key cryptographic library with two new encryption algorithms designed to withstand attacks from q.....»»
New classical algorithm enhances understanding of quantum computing"s future
In an exciting development for quantum computing, researchers from the University of Chicago's Department of Computer Science, Pritzker School of Molecular Engineering, and Argonne National Laboratory have introduced a classical algorithm that simula.....»»
Overcoming magnetic disorder: Toward low-energy topological electronics
Overcoming magnetic disorder is key to exploiting the unique properties of quantum anomalous Hall (QAH) insulators. A Monash-led team has demonstrated that the breakdown in topological protection is caused by magnetic disorder, explaining previous ob.....»»
Scientists cool positronium to near absolute zero for antimatter research
Most atoms are made from positively charged protons, neutral neutrons and negatively charged electrons. Positronium is an exotic atom composed of a single negative electron and a positively charged antimatter positron. It is naturally very short-live.....»»
Novel quantum dot hydrogel shows improved photothermal conversion efficiency
Biomolecules-based materials hold great promise for malignant tumor phototherapy. However, current supramolecular biomaterials primarily suffer from poor tissue penetration, inadequate tumor accumulation, and particularly neglecting the unique benefi.....»»
Speakers announced for the Ars Technica infrastructure event in San Jose
Come register to join us on September 18, learn some stuff, and hang out! Enlarge / The Computer History Museum, where we'll be meeting for our Bay Area adventure on September 18! (credit: SpVVK / Getty Images) Howdy, Ar.....»»
Microsoft performs operations with multiple error-corrected qubits
Microsoft boosts error correction on Quantinuum machine, partners with Atom Computing. Enlarge / Quantinuum's H2 "racetrack" quantum processor. (credit: Quantinuum) On Tuesday, Microsoft made a series of announcements re.....»»
TCL questioned over a lack of quantum dots in its QLED TVs
A report from a maker of quantum dots suggests that some of TCL's QLED TVs don't use quantum dots......»»
Scientists demonstrate first experimental evidence of non-Hermitian edge burst in photonic quantum walks
In a new Physical Review Letters study, scientists have demonstrated the first experimental observation of non-Hermitian edge burst in quantum dynamics using a carefully designed photonic quantum walk setup......»»
Fluctuating hydrodynamics theory could describe chaotic many-body systems, study suggests
Although systems consisting of many interacting small particles can be highly complex and chaotic, some can nonetheless be described using simple theories. Does this also pertain to the world of quantum physics?.....»»
Electrically modulated light antenna points the way to faster computer chips
Today's computers reach their physical limits when it comes to speed. Semiconductor components usually operate at a maximum usable frequency of a few gigahertz—which corresponds to several billion computing operations per second......»»
Quantum error correction technology outperforms world"s leading quantum computing company, researchers claim
Solving the problem of error is essential for the practical application of quantum computing technologies that surpass the performance of digital computers. Information input into a qubit, the smallest unit of quantum computation, is quickly lost and.....»»
Scalable, multi-functional device lays groundwork for advanced quantum applications
Researchers have demonstrated a new multi-functional device that could help advance the scalability of solid-state color centers, enabling them to be used in larger and more complex quantum computers and networks. As efficient photon-spin interfaces,.....»»
Researchers advance new class of quantum critical metal that could advance electronic devices
A new study led by Rice University's Qimiao Si has unveiled a new class of quantum critical metal, shedding light on the intricate interactions of electrons within quantum materials. Published in Physical Review Letters on Sept. 6, the research explo.....»»
Neutral atom innovations by quantum systems accelerator mark quantum computing milestones
Before quantum computers can solve complex problems, researchers must develop technologies that manage larger numbers of qubits (the building blocks of quantum computers) for extended periods. Neutral atoms play an important role in this effort and a.....»»
New quantum error correction method uses "many-hypercube codes" while exhibiting beautiful geometry
In work published in Science Advances, Hayato Goto from the RIKEN Center for Quantum Computing in Japan has proposed a new quantum error correction approach using what he calls "many-hypercube codes.".....»»
Video: Mars rover trials
Rover trials in a quarry in the U.K. showing a four-wheeled rover, known as Codi, using its robotic arm and a powerful computer vision system to pick up sample tubes......»»
Exposed: Russian military Unit 29155 does digital sabotage, espionage
The US Department of Justice has named five Russian computer hackers as members of Unit 29155 – i.e., the 161st Specialist Training Center of the Russian General Staff Main Intelligence Directorate (GRU) – which they deem resposible for t.....»»
Why are black holes stable against their own gravity?
Neutron stars are timelike matter with a maximum mass of about 2.34 solar masses in quantum chromodynamics (the strong color force). Black holes are spacelike matter that have no maximum mass, but a minimum mass of 2.35 solar masses. Indeed, black ho.....»»
Theoretical research establishes unified way to quantify vital quantum properties
The foundation of nearly all quantum information applications—such as computation and communication—rely on the quantum properties of superposition and entanglement......»»