Articles tagged with Quantum Entanglement
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Researchers observe electrons gain mass while cooling down to far below room temperature, acting like much heavier particles, yet remain speedy superconductors at even lower temperatures. The degree of entanglement determines the properties of a material.
Researchers at the University of Innsbruck have developed an efficient and tunable interface for quantum networks, enabling high-speed transfer of quantum information between matter and light. The interface, which uses entanglement to connect a single ion with a photon, achieves efficiency rates over 99 percent.
Researchers developed a novel solution to produce entangled photon pairs using an integrated circuit, making quantum technologies more accessible. The breakthrough could lead to faster data sorting and solve complex computational problems, potentially leading to new gadgets.
The NIST simulator, built with 350 beryllium ions, has passed benchmarking tests and can study complex problems in material science that conventional computers cannot model. Scientists are now poised to explore high-temperature superconductors using the simulator's controlled quantum interactions.
Physicists have demonstrated that quantum particles can be in an entangled state even after measurement, which was previously thought to be an objective fact. The team realized a 'delayed-choice entanglement swapping' experiment, where Victor's choice affected Alice's and Bob's photons after they had been measured.
Researchers developed a new way to rapidly create single photons by exciting ultra-cold rubidium gas with lasers. This allows for the reliable production of single photons with well-known properties, important for various research areas including quantum information systems and studying dynamics and disorder in physical systems.
Researchers propose that quantum metabolism explains metabolic changes causing healthy cells to become cancerous, enabling cells to outcompete for space and nutrients. Understanding this process could lead to new cancer treatment approaches.
Scientists at UNIGE have successfully linked two large crystals through quantum physics, paving the way for quantum memory and long-distance quantum communication. The entangled pair exhibits simultaneous behavior despite their separation, showcasing a promising step towards creating quantum repeaters and secure networks.
Researchers at Georgia Institute of Technology have successfully squeezed a property called the nematic tensor, describing rubidium atoms in Bose-Einstein condensates. This achievement improves measurement precision for atomic clocks and magnetometers, with potential applications to quantum information systems.
Researchers have developed quantum cryptography protocols that can counter even a malicious manipulator controlling the setup, offering a measure of genuine randomness in keys. The breakthrough builds on recent twists that give quantum cryptography powerful boost against eavesdroppers.
A five-year MURI project will investigate three physical platforms for designing matter-light interaction used to generate entangled photons. The team aims to create large-scale systems that use entanglement for quantum communication and computing.
Researchers have demonstrated a new method of quantum computation that preserves data privacy, enabling perfectly secure cloud computing. The 'blind' approach uses photons to encode data, allowing users to outsource their computations to remote servers without compromising their data.
Researchers have realized a new way to cool synthetic materials using a quantum algorithm, removing excess energy from ultra-cold atomic gases. This breakthrough enables the manipulation of individual particles at unprecedented temperatures, revealing a mysterious world that has never been seen before.
Researchers demonstrate why quantum mechanics' physical effects are rarely seen in daily life. They found that precisely counting photons becomes increasingly difficult as the number of photons increases.
Researchers have developed a multi-purpose photonic chip that generates, manipulates, and measures entanglement and mixture on a tiny silica chip. This device can perform various experiments in a straightforward way using a single reconfigurable chip.
The new Institute for Quantum Information and Matter will bring together physicists and computer scientists to study exotic quantum states and push theoretical boundaries. The center aims to make advances in basic physics and develop materials with remarkable properties.
A new scheme, 'coherent photon conversion', offers a method for coherent conversion between different photon states using a strong laser field. This approach promises to solve open challenges in optical quantum computation and lead to the development of a nonlinear optical quantum computer.
Researchers from the University of Vienna have proven that the entanglement or separability of a quantum state depends on the perspective used to assess its status. By using mathematical density matrices, they showed how different factorisations can lead to entanglement or separability in complex physical systems.
Researchers at the Niels Bohr Institute have successfully maintained entanglement between two gas clouds of caesium atoms for up to an hour using controlled laser light. This breakthrough enables quantum communication and has potential applications in ultra-precise measurements, including studying human brain activity.
Physicists at NIST have successfully linked the quantum properties of two separated ions by manipulating them with microwaves, enabling a new approach to simplify ion-trap quantum computers. The use of microwaves reduces errors introduced by laser beam instabilities and power fluctuations.
Physicist Olivier Pfister and his team create 60 measurable Qmodes, a multilevel variant of entangled qubits, in a major step towards building a quantum computer. This achievement has significant implications for quantum computing, potentially revolutionizing fields such as data encryption and complex system simulations.
Researchers at NIST have developed a technique to calm the vibrations of a microscopic aluminum drum to the quantum ground state, allowing for longer storage of individual packets of energy. The drum's motion is slowed by applying microwave light, enabling applications in quantum computing and testing of quantum theory.
Researchers at Princeton University developed a laser technique to observe how electrons become entangled, shedding new light on the Kondo state and its potential applications in quantum computing. The study reveals fresh insights into the complex relationship between an isolated electron and its surroundings.
Researchers led by Anton Zeilinger found that quantum mechanical measurements cannot be interpreted classically even when no entanglement is involved. This challenges the idea of 'spooky action at a distance', sparking debate about the limits of classical physics.
Researchers have discovered that quantum entanglement can create a cooling effect when deleting data, which could be used to mitigate heat generation in supercomputers. By understanding the connection between information theory and thermodynamics, they found that entropy is a lack of knowledge that can be exploited for cooling purposes.
Austrian researchers have successfully implemented an algorithm for error correction in a quantum processor, enabling repetitive corrections. This achievement is a significant milestone towards developing practical quantum computers.
Researchers at the University of Vienna and Austrian Academy of Sciences have successfully simulated a frustrated quantum system using entangled photons. The experiment offers enormous potential for future quantum simulators to study complex quantum phenomena.
Physicists at the University of Innsbruck have achieved a major breakthrough in quantum computation by entangling 14 calcium atoms. This represents a significant increase from their previous record of eight particles and opens up new possibilities for faster computing, atomic clocks, and quantum simulations.
The new switching device enables high-speed routing of quantum bits along a shared network, maintaining entanglement information. This practical step toward creating a quantum Internet could achieve secure encrypted information and ultra-fast quantum computing.
Physicists at NIST have demonstrated an electromechanical circuit that processes information and controls motion at the quantum scale. The device uses a micro drum to transmit mechanical vibrations, achieving strong interactions between microwave light and the drum, paving the way for quantum applications.
Researchers from the University of Bristol demonstrated the quantum operation of new components that will enable compact circuits for future photonic quantum computers. These integrated photonic circuits are compact, stable, and low-noise, paving the way for mass production of chips for quantum computers.
Austrian physicists have realized a comprehensive toolbox for an open-system quantum simulator, which utilizes controlled dissipation to generate and intensify quantum effects. This innovation enables the study of highly complex quantum systems that were previously inaccessible.
Physicists at NIST successfully coupled two beryllium ions, exchanging quanta and demonstrating linked motion. The technique has the potential to simplify information processing in future quantum computers and simulations.
Researchers at University of Innsbruck have developed a novel architecture for quantum computation, enabling the exchange of quantum information between two separate memory cells on a computer chip. The new technology amplifies transmission and offers possibilities to distribute entanglement, targeting individual memory cells.
Researchers at the University of Calgary have made a significant breakthrough in creating quantum networks by storing information in entangled photons. This achievement brings the field closer to reality and has the potential to enable building quantum networks in a few years.
A fundamental link between the uncertainty principle and non-locality has been discovered, revealing a quantitative relationship between the two phenomena. This breakthrough sheds new light on the foundations of quantum mechanics and its ability to allow for 'spooky action at a distance'.
Researchers at Caltech have demonstrated quantum entanglement for a four-part quantum state stored in four spatially distinct atomic memories. The team successfully created quadripartite entanglement by entangling the spin waves among four collections of Cesium atoms, which were then transferred to four beams of light.
Physicists at Georgia Tech have developed a critical component of a quantum repeater, allowing for secure encryption key transmission over longer distances. The new technology enables the relay of entangled particles over 1,000 kilometers, significantly improving the security of quantum cryptography.
A Yale team has achieved the entanglement of three solid-state qubits for the first time, paving the way for quantum error correction and future quantum computing. The accomplishment builds on their previous development of a rudimentary solid-state quantum processor.
Physicists at University of Innsbruck successfully expose four entangled ions to a noisy environment, demonstrating the variety of flavors or properties in their entanglement. This study forms an important basis for understanding entanglement under environmental disturbances and the boundary between quantum and classical worlds.
Scientists at Georgia Tech have developed a technique to convert photons carrying quantum data to telecom wavelengths suitable for long-distance transmission on optical fiber. This innovation boosts quantum memory times, enabling the creation of a possible prototype system for secure information distribution over long distances.
Physicists have discovered a method to test string theory, a fundamental concept that attempts to reconcile quantum mechanics and general relativity. The breakthrough enables researchers to verify string theory's predictions about entangled quantum particles.
Researchers achieved quantum entanglement between photons and solid-state materials, enabling communication over long distances. This breakthrough is crucial for developing quantum networks for secure communication and distributed computing.
Researchers from LMU and ETH Zurich have shown that position and momentum can be predicted more precisely than Heisenberg's Uncertainty Principle allows, using a quantum memory. This breakthrough enhances our understanding of quantum memories and provides a method for determining entanglement.
Researchers suggest quantum entanglement may be occurring in photosynthetic complexes of plants, enhancing light conversion efficiency. A computer simulation reveals long-lived quantum coherence is essential for quantum information storage and manipulation.
Researchers have simulated frustration in a smallest possible quantum system, revealing its relation to entanglement. The team created a fully controllable frustrated magnetic network with three spins, allowing them to manipulate interactions using laser beams.
Researchers at GTRI are designing, fabricating and testing planar ion traps to create large, interconnected trap arrays for a useful quantum computer. The team has used state-of-the-art simulations and genetic algorithms to design versatile traps capable of holding many ions.
Berkeley scientists have identified quantum entanglement as a natural feature of photosynthesis, enabling efficient energy harvesting and transfer. This discovery holds implications for the development of artificial photosynthesis systems and quantum-based technologies.
Researchers have developed a new, certifiably random number generator using fundamental principles of quantum mechanics. This method ensures private randomness, crucial for secure data encryption and communication, making it difficult to predict the sequence of numbers.
A German-Spanish research group has developed an experiment to test for quantum properties in objects composed of one billion atoms, including the flu virus. This technique could potentially allow researchers to study life and consciousness in the context of quantum mechanics.
Physicists at UW-Madison created an atomic circuit that may help quantum computing become a reality by exerting control over two atoms for a short period. The achievement uses neutral atoms to create a controlled-NOT gate, a basic type of circuit essential for any quantum computer.
Researchers at the University of Calgary have successfully stacked up to two photons on top of one another using quantum entanglement, enabling the creation of various quantum states of light. This achievement brings physicists closer to developing new capabilities in measurement instruments, computers, and secure communication systems.
Researchers have successfully demonstrated quantum entanglement in solid-state devices, a breakthrough that could enable faster and more secure computing. The experiment uses electrons in a superconductor to create entangled pairs, which can be used to enhance computing performance and secure data transmission.
Scientists at Harvard University used a quantum computer to calculate the precise energy of molecular hydrogen, solving a long-standing problem in theoretical chemistry. This achievement has significant implications for fields like cryptography and materials science.
Researchers at Caltech propose a new approach to observe quantum behavior in small mechanical systems by levitating the object with intense laser beams. This allows for dramatic reduction of environmental noise, enabling observation of diverse manifestations of quantum behavior even at room temperature.
Researchers have developed a new method to delicately comb out entanglements among qubits while preserving the encoded information. This work provides a primitive model for a quantum World Wide Web, where individual users form ebits with quantum search engines and send queries via quantum teleportation.
Physicists at the Joint Quantum Institute have developed a technique to create entangled photons from quantum dots tweaked with a laser. This method may enable more compact and convenient sources of entangled photon pairs than presently available, revolutionizing quantum information applications.
Researchers at the University of Arizona have performed experiments that show classical chaos exists in the quantum world, revealing new signatures of chaos and entanglement. The team manipulated individual laser-cooled cesium atoms to mimic a textbook example of chaos, demonstrating dynamic stability and erratic behavior.
Researchers have successfully cooled LIGO mirrors to near absolute zero, enabling the observation of quantum mechanical behavior at massive scales. This breakthrough suggests that interferometric gravitational wave detectors can also become sensitive probes of macroscopic quantum mechanics.
Researchers create tiny NEMS resonator and superconducting qubit to probe quantum behavior in ordinary objects. The experiment enables measurements of discrete energy levels predicted by quantum mechanics.