The Arizona State University's Quantum Collaborative is a major initiative promoting understanding of advanced quantum technology and forging partnerships to advance it. The collaborative aims to develop a robust talent pipeline for a quantum-enabled economy through certifications, upskilling opportunities, and modified degree programs.
Scientists at the University of Innsbruck have developed a new method to observe and study ultra-cold mini twisters, quantized vortices that form in dipolar quantum gases. These vortices are a strong indication of superfluidity, a frictionless flow characteristic of certain quantum gases.
Researchers at the University of Tokyo have identified possible solutions to limitations of qubits for quantum computing. They successfully controlled temperature and movement of trapped electrons in a vacuum using hybrid quantum systems, paving the way for potential applications in quantum technology.
Researchers from HKU and Harvard University have developed a new triangular lattice model and sweeping cluster algorithm to simulate Rydberg arrays. Their simulations reveal highly entangled Z2 quantum spin liquids with large parameter regimes, providing valuable insights for future experiments.
Scientists from Paderborn and Ulm universities create a programmable optical quantum memory, enabling the efficient growth of large entangled states. This breakthrough milestone brings researchers closer to practical applications of useful quantum technologies.
Researchers at Chalmers University of Technology have developed a technique to control quantum states of light in a three-dimensional cavity, creating the long-sought cubic phase state. The breakthrough enables full control over quantum mechanical systems, paving the way for efficient error correction in quantum computers.
Researchers use classical computers to make predictions about quantum systems, helping to solve physics and chemistry problems. Machine learning tools provide a bridge between the human world and quantum reality.
Physicists at Forschungszentrum Jülich and RWTH Aachen University have successfully transferred electrons over several micrometres on a quantum chip, paving the way for a scalable quantum computer architecture that can support millions of qubits. The 'quantum bus' approach enables the coupling of qubits without the need for extensive c...
Researchers at NICT have developed a new systematic method to identify the optimal quantum operation sequence, enabling efficient task execution and contributing to improving quantum computer performance and reducing environmental impact. The method uses GRAPE algorithm to analyze all possible sequences of elementary quantum operations.
Physicists have developed a 'master equation' to understand feedback control at the quantum level, enabling precise real-time control over quantum systems. This breakthrough has the potential to revolutionize quantum technologies by exploiting quantum effects and mitigating fragile system properties.
Researchers have developed new stable quantum batteries that can reliably store energy into electromagnetic fields. The micromaser system allows for efficient charging with protection against overcharging and preserves the stored energy's purity.
Researchers at ICFO successfully simulated a topological gauge theory using ultracold potassium atoms dressed with laser light, moving beyond previous electromagnetism simulations. This breakthrough allows for better understanding of exotic quantum behavior in materials and error correction codes for future quantum computers.
Researchers optimized the ZZ SWAP network protocol, introducing a new technique to improve quantum error mitigation. This enables more efficient execution of quantum algorithms like QAOA, which can solve combinatorial optimization problems.
A new review paper assesses recent progress in controlling quantum systems and applies it to emerging technologies, highlighting the need for a unified theoretical framework. The authors identify roadblocks that must be overcome to manifest a future quantum technological landscape.
The paper explores near- and medium-term possibilities for quantum simulation on analogue and digital platforms to evaluate its potential. Quantum simulation has promising applications in materials science, high-energy physics, and quantum chemistry.
Researchers have found a way to precisely control qubits without previous limitations, enabling large-scale quantum processors and quantum memories. The new method combines optical methods with microwaves to overcome wiring issues, paving the way for quantum computing advancement.
A CCNY research team has developed a quantum algorithm that can simulate the evolution of interacting quantum particles, allowing for the study of high-temperature superconductors. This breakthrough could guide the search for new materials with unique properties.
Researchers developed a protocol to distinguish information scrambling from decoherence in quantum systems. By evolving a system forward and backward through time, they can measure the preservation of information scrambling and detect losses due to decoherence.
Researchers at the University of Innsbruck developed a quantum computer that can perform arbitrary calculations using quantum digits (qudits), exceeding classical computers' efficiency. This innovation unlocks more computational power with fewer quantum particles.
A research team from HKU discovered clear evidence of a highly entangled quantum matter, known as a quantum spin liquid (QSL), through large-scale simulations on supercomputers. The findings suggest the existence of QSLs in nature and provide new insights into topological order and quantum entanglement.
Researchers have demonstrated a significant improvement in fibre-integrated quantum memories, achieving an entanglement storage time of over 1000 microseconds. The fully integrated device enables the use of sophisticated control systems, allowing for improved scalability and compatibility with telecommunications infrastructure.
Physicists have successfully entangled two atomic quantum memories over a 33-kilometer-long fiber optic connection, setting a new record. The entanglement is mediated via photons emitted by the two quantum memories and has potential applications in large-scale quantum networks and secure communication protocols.
The guide introduces quantum algorithms and their implementation on existing hardware, providing a thorough introduction for would-be programmers. It surveys 20 quantum algorithms and guides readers through implementing them on IBM's 5-qubit quantum computer, covering the basics of quantum programming and in-depth algorithm explanations.
The University of Illinois Chicago has joined the Co-design Center for Quantum Advantage, a US Department of Energy-funded center focused on building scalable quantum computer systems. The partnership will open new opportunities for UIC students in quantum engineering and collaboration with researchers.
The researchers improved the coherence time of a previously developed quantum membrane dramatically, expanding its usability for various purposes. With a coherence time of one hundred milliseconds, the membrane can store sensitive quantum information for further processing in a quantum computer or network.
Researchers found a simple correspondence between interaction strength and statistics parameter in 1D and 2D quantum Bose gases in the quantum critical regime. This emergence of fractional exclusion statistics is confirmed through theoretical computations, numerical simulations, and experimental measurements.
Researchers at the University of Innsbruck have successfully implemented a universal set of gates on encoded logical quantum bits, enabling fault-tolerant quantum computing. The demonstration showcases two essential gates: CNOT and T-gates, which are crucial for programming all algorithms.
Researchers at QuTech have demonstrated the first non-adjacent node-to-node teleportation of quantum information in a network, leveraging entangled states and quantum processors. This breakthrough enables future applications like secure data sharing and precise quantum sensors.
The Berkeley Lab team has demonstrated a three-qubit native quantum gate, the iToffoli gate, with high fidelity of 98.26%. This breakthrough enables universal quantum computing and reduces circuit running times.
Researchers at Princeton University have discovered that electrons in a crystal exhibit linked and knotted quantum twists, raising questions about the quantum properties of electronic systems. The study brings together ideas in condensed matter physics, topology, and knot theory to create a new understanding of quantum mechanics.
Researchers at ETH Zurich successfully demonstrated a protocol for gentle, controlled measurement of mechanical quantum states in hybrid qubit-resonator devices. This breakthrough enables applications such as quantum error correction and more, paving the way for advanced technological innovations.
A team of scientists used a quantum simulator to study the behavior of a complex quantum system, finding that it exhibits characteristics similar to fluid dynamics. The research also showed that this phenomenon can be observed in the flights of bees, as well as in unusual stock market movements.
Researchers use computational detective work to verify the existence of a 3D quantum spin liquid in cerium zirconium pyrochlore, overcoming decades-long challenge. The material exhibits fractionalized spin excitations, where electrons do not arrange their spins in relation to neighbors.
A theoretical study reveals that long-range quantum entanglement can persist at temperatures above absolute zero if a three-way interaction is present. This finding has significant implications for the development of room-temperature stable quantum devices, which could revolutionize future energy transport and computing.
Researchers from Harvard University and QuEra Computing have demonstrated a breakthrough application of neutral-atom quantum processors to solve practical optimization problems. The team achieved unprecedented quantum hardware power, showcasing a super-linear quantum speed-up compared to classical algorithms.
Researchers propose using quantum repeaters to regenerate signals and prevent data loss in ground-based quantum networks. Another approach involves taking quantum networks into the air via drones or satellites, enabling longer-distance transmission and greater flexibility.
Researchers from KIST have proven the triplewise information tradeoff in quantum measurement, a relation that ensures the security of quantum technology. The study showed that obtaining more information on a quantum state by increasing measurement intensity disturbs the state more.
Fermilab engineers have developed a new control electronics system, known as Quantum Instrumentation Control Kit (QICK), to improve the performance of quantum computers while reducing costs. The system uses field-programmable gate array-based controls and has been shown to be faster and more cost-efficient than existing systems.
A research team from Yokohama National University demonstrates quantum error correction in spin quantum memories in diamond under a zero magnetic field. This achievement makes the quantum memory resilient against operational or environmental errors without the need for magnetic fields.
Researchers found that quantum error correction can distort the output of quantum sensors and lead to unphysical results due to non-commuting actions. However, they provide procedures for restoring correct results through post-processing and devising ideal sensing protocols.
Scientists from Ruhr-University Bochum have improved the manufacturing process for quantum dots by creating a targeted arrangement on a wafer. The team discovered that the density of quantum dots was distributed concentrically due to the coating process, resulting in high-quality structures.
Assistant Professor Henry Yuen at Columbia University will receive a $675,000 grant to develop verification protocols for entanglement theory and explore broader mathematical applications. His work aims to solve fundamental problems in computer science, mathematics, and physics using quantum entanglement.
Recent research on gravitational wave detectors shows large objects can be shielded from environmental influences to become one quantum object. This decoupling enables measurement sensitivities impossible without it, advancing sensor technology.
Researchers at the University of Innsbruck have successfully manipulated dark states in superconducting circuits using microwave radiation. The team's discovery opens up new possibilities for quantum simulations and information processing, which could have significant implications for fields such as chemistry and materials science.
A team from Waseda University derives analytical solutions to the guesswork problem for quantum ensembles, extending previous results to ensembles with uniform probability distributions. The findings have significant implications for quantum science and technology, including quantum chemistry and software for quantum computing.
A research team at POSTECH has developed a weak-value amplification method to achieve quantum metrology precision without using entangled resources. This breakthrough enables the practical use of quantum metrology by verifying that entanglement is not an absolute requirement for reaching the Heisenberg limit.
A new theorem shows that quantum entanglement eliminates exponential overhead in training quantum neural networks, enabling scalability and reducing data requirements. This breakthrough gives hope for a quantum speedup, where quantum machines outperform classical counterparts.
The University of Strathclyde will lead two international quantum technology networks, tackling space-based quantum communication and the development of fully-integrated atomic sensors. The networks aim to bring together global experts and institutions to overcome challenges in taking quantum technologies into space.
The research team measured Rényi entanglement entropy at DQCP and found scaling behaviour that contradicts conventional LGW phase transition descriptions. The findings confirm a revolutionised understanding of phase transition theory and raise questions about deconfined quantum criticality.
Physicists at the University of Sussex have developed a remote monitoring system for quantum devices, allowing for real-time control and issue resolution. This system enables researchers to monitor environmental factors such as temperature, pressure, and laser beams in ultracold quantum laboratories.
Researchers at ETH Zurich have successfully implemented a novel measurement scheme for finite-energy states, extending the coherence time of a trapped ion quantum oscillator by a factor of three. This breakthrough addresses a major challenge in quantum computing and brings us closer to enabling fault-tolerant quantum computers.
Researchers have achieved a record breakthrough by preserving quantum states for over 5 seconds, utilizing silicon carbide, a widely available material. This advancement enables the development of scalable and cost-effective quantum innovation, including potential applications in quantum communication networks and quantum computers.
Researchers review current research on 2D materials, highlighting their potential for quantum light sources and integrated circuits. The scientists also discuss recent advances in hybrid devices and scalable quantum photonic technologies.
Researchers at the University of Bristol have reduced simulation time for an optical quantum computer from 600 million years to just a few months, achieving a one-billion-fold speedup. This breakthrough paves the way for future studies on quantum advantage and computational power.
The research group developed a new method to test quantum gates with high efficiency and robustness, achieving optimal sample complexity without increasing with scale. Using this method, they tested CNOT and Toffoli gates, requiring significantly fewer measurements than traditional methods.
Researchers developed a tool to determine the minimum quantum computer size needed to solve problems like breaking Bitcoin encryption and simulating molecules. The estimated requirement ranges from 30 million to 300 million physical qubits, suggesting Bitcoin is currently safe from a quantum attack.
Researchers at HKUST have found a way to control the quantum state through the loss of particles in an atomic system. This approach offers a new path towards realizing unprecedented quantum states.
Scientists have compared electron distribution in two semiconductors to develop stable topological quantum bits for quantum computing. Indium antimonide shows a low electron density below its oxide layer, which is advantageous for forming Majorana fermions and creating compact, efficient quantum computers.
Researchers have developed a quantum battery with a counter-intuitive property where recharge time decreases with increasing battery capacity. This leads to a hyper-fast charge that can be applied in various scientific and technological fields such as wireless chargers, solar cells, and cameras.
Physicist Guido Pagano has won a prestigious CAREER award from the National Science Foundation (NSF) to study quantum entanglement and develop new error-correcting tools for quantum computation. He aims to understand how measurement affects entangled systems and create tools to correct errors caused by quantum decoherence.