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.....»»
Analysis of heterostructures for spintronics shows how two desired quantum-physical effects reinforce each other
Spintronics uses the spins of electrons to perform logic operations or store information. Ideally, spintronic devices could operate faster and more energy-efficiently than conventional semiconductor devices. However, it is still difficult to create a.....»»
Could interstellar quantum communications involve Earth or solve the Fermi paradox?
Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for radio waves, telescopes watching for optical signals, telescopes in orbit scouring light from the atmospheres of exoplanets,.....»»
Were Bohr and von Neumann really in conflict over quantum measurements?
Analysis suggests that the two pioneers of quantum mechanics, Niels Bohr and John von Neumann, may have had more similar views than previously thought regarding the nature of quantum systems, and the classical apparatus used to measure them......»»
LHC experiments observe quantum entanglement at the highest energy yet
Quantum entanglement is a fascinating feature of quantum physics—the theory of the very small. If two particles are quantum-entangled, the state of one particle is tied to that of the other, no matter how far apart the particles are. This mind-bend.....»»
Quantum ‘Ghost Imaging’ Reveals the Dark Side of Plants
Entanglement lets researchers watch plants in action without disruptive visible light.....»»
TCL accused of selling quantum dot TVs without actual quantum dots
Would such a scam really be worth it? Enlarge / TCL's C655 Pro TV is advertised as a quantum dot Mini LED TV. (credit: TCL) TCL has come under scrutiny this month after testing that claimed to examine three TCL TVs mark.....»»
Energy transmission in quantum field theory requires information: Research finds surprisingly simple relationship
An international team of researchers has found a surprisingly simple relationship between the rates of energy and information transmission across an interface connecting two quantum field theories. Their work was published in Physical Review Letters.....»»
Making "atomic lasagna": New method transforms 3D materials into stable layered thin films with promising properties
A research team discovered a method to transform materials with three-dimensional atomic structures into nearly two-dimensional structures—a promising advancement in controlling their properties for chemical, quantum, and semiconducting application.....»»
Floquet engineering tunes ultracold molecule interactions and produces two-axis twisting dynamics
The interactions between quantum spins underlie some of the universe's most interesting phenomena, such as superconductors and magnets. However, physicists have difficulty engineering controllable systems in the lab that replicate these interactions......»»
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.....»»
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.....»»
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?.....»»
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,.....»»
Best practices for implementing the Principle of Least Privilege
In this Help Net Security interview, Umaimah Khan, CEO of Opal Security, shares her insights on implementing the Principle of Least Privilege (PoLP). She discusses best practices for effective integration, benefits for operational efficiency and audi.....»»