A team of international researchers has successfully simulated chemical bonds using trapped ions on a quantum computer, marking a significant breakthrough in the development of full-scale quantum computers. This achievement demonstrates the potential of quantum chemistry to unlock new insights into material properties and behavior.
Researchers at UNIGE have discovered ytterbium, a rare earth element that can store and protect quantum information even at high frequencies. The material's properties make it an ideal candidate for future quantum networks, where the aim is to propagate signals over long distances by acting as repeaters.
Scientists at NUS have discovered a practical way to observe and examine the quantum effects of electrons in topological insulators and heavy metals. This breakthrough enables the development of advanced quantum computing components and devices, potentially answering some of the world's toughest questions in finance and physics.
A new quantum secret-sharing scheme prevents eavesdropping in noisy environments, improving the fidelity of encrypted messages. The scheme exploits the properties of entangled particles to enhance secret transmission.
A team from Aalto University creates a miniature 'heat valve' in a quantum system, enabling the controlled exchange of energy with external surroundings. This breakthrough aims to improve the efficiency of quantum heat engines and refrigerators.
Princeton researchers successfully implant diamonds with silicon vacancies to create a quantum repeater, enabling the transmission of fragile quantum information over long distances. This breakthrough could lead to ultra-secure communication networks and new quantum computers solving complex problems.
A University of Oklahoma physics professor is using a National Science Foundation grant to explore the potential of spatial degree of freedom in long-distance quantum communications and imaging. The research could bring about a revolution in quantum information science by enabling large-scale quantum information transmission.
The researchers achieved a significant breakthrough in quantum computing by simulating a 64-qubit circuit using a novel partitioning scheme. This method reduces the computational complexity of quantum algorithms, enabling faster simulations and paving the way for future advancements in quantum machine learning and unsupervised learning.
Researchers at QuTech in Delft successfully generated quantum entanglement between two quantum chips faster than it's lost, enabling the creation of a future quantum internet. The breakthrough allows for the connection of multiple quantum nodes and the establishment of the world's first quantum network.
Researchers at Johns Hopkins University have detected electrical dipole fluctuations in a quantum material at extremely low temperatures, revealing a new property of quantum matter. The study uses Raman spectroscopy to observe the irregular oscillations of tiny charged poles on the material.
A team of researchers has found a way to couple and precisely control quantum systems using phonons, the smallest units of sound waves. This allows for the creation of a scalable quantum network, enabling new technological breakthroughs.
Scientists at Hokkaido University have developed a theoretical approach to quantum computing that uses light squeezing to dramatically reduce errors. This new method is ten billion times more tolerant of errors than current experimental methods, bringing us closer to developing ultra-accurate quantum computers.
Scientists at Oak Ridge National Laboratory successfully simulated an atomic nucleus using a quantum computer, demonstrating the ability of quantum systems to compute nuclear physics problems. The team extracted the deuteron's binding energy with high accuracy, despite challenges posed by inherent noise on the chip.
Researchers at the University of the Basque Country and University of Hannover achieved quantum entanglement between two spatially separated Bose-Einstein condensates. This breakthrough could lead to significant improvements in fields like quantum computing, simulation, and metrology by creating large ensembles of entangled particles.
A new theory explains the behavior of individual atoms in a recent experiment, revealing the existence of 'quantum many-body scars' that could help create robust quantum dynamics. This phenomenon is crucial for keeping atoms in a quantum state, which is necessary for processing and storing information in quantum computers.
Researchers built a quantum version of Newton's cradle to study the behavior of quantum particles and understand how they reach thermal equilibrium. They observed that the chaotic motion leads to thermalization in a sequence of two exponential steps, challenging previous predictions.
Researchers demonstrate a new algorithm to simulate quantum channels using IBM's cloud quantum computer, enabling efficient open system quantum simulation and exploring its applications in quantum communication. The method reduces gate complexity compared to Stinespring dilation, making it scalable for higher dimensions.
Researchers have successfully entangled 20 calcium atoms in an ion trap experiment, demonstrating controlled multi-particle entanglement between neighboring groups of particles. The achievement holds significant promise for practical applications such as quantum simulations and information processing.
Researchers from Kazan Federal University and Kazan Quantum Center have developed a multiresonator broadband quantum memory-interface with a record-breaking 16.3% efficiency at room temperature. The innovation has the potential to create universal memory solutions for quantum computers on superconducting qubits.
Researchers at ORNL's Quantum Information Science Group have developed methods to control dissipative behavior in quantum systems, allowing for advancements in quantum computing and sensing. The studies aim to probe and control quantum coherent dynamics in materials at the nanoscale.
Researchers discover silicon carbide as a promising material for single-photon emission, enabling high-speed quantum internet. This breakthrough could guarantee unconditionally secure data communication lines forever.
Researchers have successfully created a new quantum spin liquid, predicted by Paul W. Anderson in 1987, using a novel method developed at Aalto University. The achievement marks an important step towards understanding superconductors and building topological quantum computers with enhanced computational power.
Experts on quantum computing, including Antia Lamas-Linares, discussed the field's potential and applications at SXSW 2018. They focused on topics such as secure time synchronization and GPS protection, highlighting the importance of these areas in the future development of quantum technologies.
Researchers have successfully harnessed the power of quantum mechanics by controlling the interaction between light and matter at room temperature. By using plasmonic nanoresonators to concentrate electromagnetic energy, they enabled the re-absorption of photons by quantum emitters with high probability.
Scientists have achieved a world record for trapped-ion logic gate precision, reaching accuracy of 99.8% and speeds of up to 60 times faster than previous records. The breakthrough could enable practical quantum computing by scaling up the system.
For the first time, a Toffoli gate was experimentally demonstrated in a semiconductor three-qubit system. This achievement marks an important progress in scaling up semiconductor quantum dot-based qubits and motivates further research on larger-scale semiconductor quantum processors.
Researchers developed machine learning software that allows computers to learn the quantum state of complex systems based on experimental observations. This approach enables faster tomography for quantum states and has implications for testing quantum computers with many qubits.
Machine learning techniques can reconstruct a quantum system based on relatively few experimental measurements, allowing scientists to thoroughly probe complex systems exponentially faster than conventional methods. This method benefits the development of quantum computers and other applications of quantum mechanics.
Researchers demonstrate partial quantum cloning of linearly dependent states using a new approximate cloning method. This breakthrough allows for enhanced performance in quantum computing and improves the security of quantum cryptography.
A team of researchers has demonstrated a novel method for splitting light beams into their frequency modes, allowing for the encoding of photons with quantum information. This breakthrough enables the creation of complex frequency states, which is crucial for quantum simulations and computations.
Scientists at the Institute for Basic Science have made a major breakthrough in controlling the quantum properties of individual atoms. They used advanced methods to image and measure individual iron atoms, finding that nearby electrons destroy their quantum behavior.
Researchers developed a novel verification method to prove large-scale entanglement with only a single measurement run, significantly reducing time and resources required. This breakthrough enables the reliable benchmarking of future quantum devices with unprecedented efficiency.
Researchers at Bar-Ilan University have introduced a method that overcomes the speed limit of quantum communication, enabling data transfer to increase by more than 5 orders of magnitude. This breakthrough uses direct optical nonlinearity to process quantum information in the optical regime, preserving its enormous bandwidth.
Researchers at the University of Sydney have discovered a 'quantum hack' that improves quantum error correction by up to 400 percent, allowing for more efficient computations. This breakthrough could lead to fewer physical qubits required for basic calculations, making practical quantum computers a reality.
Researchers prove the security of device-independent quantum cryptography using a new approach called entropy accumulation. This breakthrough paves the way for practical realization of such schemes with state-of-the-art quantum technology.
Researchers have successfully coupled a single electron spin and a single photon on a silicon chip, enabling the transfer of quantum information between them. This breakthrough paves the way for scaling up quantum bits on silicon chips, a crucial step towards creating more powerful quantum computers.
The NMRCloudQ service provides a comprehensive software environment for building quantum circuits and simulating experiments. Users can access a 4-qubit system with various gates, achieving high fidelity rates in single-qubit and two-qubit operations.
A new method of securely communicating between multiple quantum devices has been developed, enabling a large-scale, un-hackable quantum network. The approach uses quantum laws to ensure security and can work for any device, regardless of manufacturer, bridging the gap between theory and practical implementation.
A team of researchers has successfully tested quantum nonlocality in the presence of photon loss using quantum teleportation. They demonstrated that entangled photons can still be verified even when many are lost during transmission, enabling the development of secure global quantum information networks.
Researchers propose a new interpretation of quantum mechanics, where the wave function represents a real existence rather than a mathematical description. This idea is demonstrated through an encounter-delayed-choice experiment, showing that a quantum object can exhibit both particle and wave behavior depending on the measurement.
Researchers develop a new approach to analyze and reduce quantum noise in atomic systems, known as spin squeezing, which enhances measurement reliability at the quantum scale. The method involves redistributing uncertainty between two components of spin, improving precision and potentially enabling future quantum networks.
Researchers developed trapped-ion quantum error correction protocols to detect and correct processing errors, enabling the creation of larger quantum computers. The study suggests that today's quantum computer prototypes can meet specific criteria with current ion-trap technologies.
Researchers at University of Warsaw develop high-capacity quantum memory, storing up to 665 quantum states of light, using spatial multiplexing and magneto-optical trap. The system is resilient to decoherence, enabling complex manipulations of atomic states.
Researchers from UNIST and University of Maryland developed a core technology for quantum photonic devices using silicon chips. They integrated quantum dots with silicon photonic technologies to create single photon emitters, paving the way for innovative applications in quantum computing and communication.
Researchers at Princeton University have created a key piece of silicon hardware that controls quantum behavior between two electrons with extremely high precision. The demonstration of this nearly error-free gate opens the door to larger scale experiments and has the potential to scale to more qubits with even lower error rates.
Scientists from Konstanz, Princeton and Maryland successfully created a stable quantum gate for two-quantum bit systems using silicon. The research demonstrates the ability to control and read out the interaction of two quantum bits with high fidelity, paving the way for more efficient quantum computers.
A team of researchers has successfully recreated Hofstadter's butterfly using quantum simulators, enabling the simulation of exotic electronic conduction properties. This breakthrough could lead to the development of new materials with unique properties.
Researchers at Tsinghua University and Nanjing University of Posts and Telecommunications have successfully demonstrated entanglement-based quantum secure direct communication (QSDC) over 500m optical fibers. The system uses novel fiber-based quantum light sources to generate polarization entangled Bell states, enabling secure informat...
Scientists have developed quantum simulators that can control over 50 interacting atomic qubits, mimicking magnetic quantum matter. The new record surpasses previous demonstrations and enables simulations of complex quantum matter, previously unreachable by modern supercomputers.
Researchers developed a new method to protect quantum information in trapped ions by leveraging dissipation. The approach allows for autonomous correction of quantum states without requiring logical circuits or measurements.
Researchers demonstrate fast and scalable holonomic quantum computation using Nitrogen-vacancy center electron spins in diamond, enabling high-fidelity operations with all-optical control. This work represents the first such achievement in solid-state quantum systems.
ICFO researchers have successfully connected two distinct quantum nodes using a single photon, demonstrating the feasibility of hybrid quantum networks. This breakthrough enables secure data transmission and advanced computing capabilities.
The INQNET research program aims to develop scalable quantum computing infrastructure through the creation of a quantum network and investigation of fundamental challenges in quantum science. The first phase of the Fermilab quantum network teleportation experiment (FQNET) is expected to produce results by late spring.
The Swedish government is investing SEK 1 billion in a research program to develop a superconducting quantum computer with greater computing power than current supercomputers. The goal is to create a functioning quantum computer with at least 100 qubits, enabling it to solve complex problems in fields like optimization, machine learnin...
Physicists at the University of Innsbruck have developed a technique to transfer quantum information between systems encoded differently, enabling local modification of quantum bits. This 'data bus' approach allows for more robust coupling between quantum processors and memories, paving the way for universal quantum computing.
Q-Ctrl, founded by University of Sydney's Professor Michael Biercuk, aims to provide trusted quantum control solutions for various industries. The company has attracted multimillion-dollar investments and is focused on reducing qubit errors to improve the performance of quantum devices.
Researchers have developed a new quantum simulation protocol to understand key properties of interacting quantum field theories. The protocol uses cold atoms as controllable quantum sensors to measure the generating functional, a fundamental concept in quantum field theory.
Two ORNL-led research teams will assess the feasibility of quantum architectures in addressing big science problems and develop algorithms to harness massive power predicted by quantum computing systems. Researchers aim to create quantum computers capable of simulating phenomena at unprecedented scales and speeds.
Researchers developed a method to extract Higgs boson signal from noise data using quantum-compatible machine learning techniques, outperforming standard counterparts even with small datasets. The new approach is expected to be useful for problems beyond high-energy physics.
Researchers found that improving quantum heat engine efficiency requires reducing photons in a cavity, enabling increased quantum manipulation power and accelerating quantum information processing. The study showed that only small photon numbers yield high efficiency and output power.