Generalizing the measurement postulate in quantum mechanics
The measurement postulate is crucial to quantum mechanics. If we measure a quantum system, we can only get one of the eigenvalues of the measured observable, such as position, energy and so on, with a probability. Immediately after the measurement, t.....»»
Magnetic levitation: New material offers potential for unlocking gravity-free technology
Researchers at the Quantum Machines Unit at the Okinawa Institute of Science and Technology (OIST) are studying levitating materials—substances that can remain suspended in a stable position without any physical contact or mechanical support......»»
CMS experiment at CERN measures a key parameter of the Standard Model
Last week, at the annual Rencontres de Moriond conference, the CMS collaboration presented a measurement of the effective leptonic electroweak mixing angle. The result is the most precise measurement performed at a hadron collider to date and is in g.....»»
The universe"s accelerated expansion might be slowing down
The universe is still expanding at an accelerating rate, but it may have slowed down recently compared to a few billion years ago, early results from the most precise measurement of its evolution yet suggested Thursday......»»
Scientists investigate information propagation in interacting bosonic systems
A new study by scientists from Japan explores the propagation of quantum information within interacting boson systems like Bose-Einstein condensates (BECs), revealing the potential for accelerated transmission unlike previously thought......»»
Nonvolatile quantum memory: Discovery points path to flash-like memory for storing qubits
Rice University physicists have discovered a phase-changing quantum material—and a method for finding more like it—that could potentially be used to create flash-like memory capable of storing quantum bits of information, or qubits, even when a q.....»»
Basic mechanics of the game in Fortnite, Vbucks and rank boosting for beginners
Fortnite is a battle royale project that is regularly updated with new maps and a battle pass, a themed event that rewards players with various rewards and skins for activities performed on game servers. The main idea of Fortnite Fortnite is built on.....»»
Chemical reactions can scramble quantum information as well as black holes
If you were to throw a message in a bottle into a black hole, all of the information in it, down to the quantum level, would become completely scrambled. Because in black holes this scrambling happens as quickly and thoroughly as quantum mechanics al.....»»
Simulating magnetization in a Heisenberg quantum spin chain
The rapid progress of quantum simulators is now enabling them to study problems that before have been limited to the domain of theoretical physics and numerical simulation. A team of researchers at Google Quantum AI and their collaborators showed thi.....»»
"It"s ultimately about predicting everything"—theory could be a map in the hunt for quantum materials
A breakthrough in theoretical physics is an important step toward predicting the behavior of the fundamental matter of which our world is built. It can be used to calculate systems of enormous quantities of quantum particles, a feat thought impossibl.....»»
New focused approach can help untangle messy quantum scrambling problems
The world is a cluttered, noisy place, and the ability to effectively focus is a valuable skill. For example, at a bustling party, the clatter of cutlery, the conversations, the music, the scratching of your shirt tag and almost everything else must.....»»
Quantum error correction used to actually correct errors
Microsoft and Quantinuum correct problems when entangling pairs of qubits. Enlarge / Quantinuum's H2 "racetrack" quantum processor. (credit: Quantinuum) Today's quantum computing hardware is severely limited in what it c.....»»
Classical optical neural network exhibits "quantum speedup"
In recent years, artificial intelligence technologies, especially machine learning algorithms, have made great strides. These technologies have enabled unprecedented efficiency in tasks such as image recognition, natural language generation and proce.....»»
A single photon emitter deterministically coupled to a topological corner state
Exploring cavity quantum electrodynamics (cQED) is pivotal for advancing quantum technology and unraveling the fundamental intricacies of light-matter interactions. A prevalent strategy involves integrating a single quantum emitter into photonic micr.....»»
Using one single image to realize on-orbit calibration of space camera lens distortion
In various space tasks such as space rendezvous-docking and on-orbit maintenance, the measurement of the relative posture and position of non-cooperative spacecraft is a key component. However, the commonly used global positioning system, radar detec.....»»
100 kilometers of quantum-encrypted transfer
Researchers at DTU have successfully distributed a quantum-secure key using a method called continuous variable quantum key distribution (CV QKD). The researchers have managed to make the method work over a record 100 km distance—the longest distan.....»»
Researchers discover dual topological phases in an intrinsic monolayer crystal
Dual topological phases have been discovered in an intrinsic monolayer crystal, a finding that reveals new and unique rule-bending properties in a quantum material, an international team of scientists led by Boston College physicists reported recentl.....»»
Novel method uses nanomechanics and machine learning for rapid bacterial viability detection
Prof. Guo Shifeng's team at the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences has proposed a novel method that fills the gap between physical measurement and artificial intelligence in bacterial viability detecti.....»»
Study unveils a new family of quantum anomalous Hall insulators
In recent years, physicists and material scientists have identified various new materials marked by interesting properties and quantum effects. These materials could prove highly valuable both as platforms to study quantum effects and for the develop.....»»
Team creates cooperative exciton-polariton condensate
Superfluorescence (SF), as a cooperative radiation effect originating from vacuum quantum fluctuations, is an ideal platform for studying many-body correlation mechanisms in an exciton ensemble, and for developing optically ultrafast techniques on br.....»»
Magnetic avalanche triggered by quantum effects: "Barkhausen noise" detected for first time
Iron screws and other so-called ferromagnetic materials are made up of atoms with electrons that act like little magnets. Normally, the orientations of the magnets are aligned within one region of the material but are not aligned from one region to t.....»»