All articles tagged with #quantumcomputing
A recent study reveals that even quantum computers have fundamental limits and cannot solve certain complex problems, such as determining quantum phases of matter, which may point to inherent constraints in physical observation itself.
The 2025 Nobel Prize in Physics was awarded to scientists John Clarke, Michel Devoret, and John Martinis for their pioneering experiments demonstrating macroscopic quantum tunneling in superconducting circuits, laying the groundwork for quantum technologies like quantum cryptography and quantum computers.
Google's new quantum computing chip, Willow, has sparked discussions about the existence of parallel universes due to its unprecedented computational speed, which far surpasses that of current supercomputers. Google Quantum AI founder Hartmut Neven suggests that the chip's performance supports the multiverse theory, a concept explored in quantum physics. While some experts find this plausible, skeptics argue that the claims are based on Google's own benchmarks and do not conclusively prove the existence of parallel universes.
A new hypothesis, the Quantum Memory Matrix (QMM), proposes that space-time itself stores quantum information, potentially resolving the Black Hole Information Paradox by preserving unitarity and reconciling quantum mechanics with general relativity. This framework could impact quantum computing, improve black hole models, and inspire experimental tests through Hawking radiation or gravitational wave observations. The study, involving researchers from Terra Quantum and Leiden University, suggests that space-time quantized at the Planck scale can store information in 'quantum imprints,' offering a new perspective on quantum gravity.
Alphabet Inc. shares surged 5.6% after announcing a breakthrough in quantum computing with its Willow quantum chip, which can solve problems in minutes that would take supercomputers billions of years. Analysts view this as a significant step towards the commercialization of quantum computing, potentially impacting various industries and enhancing Alphabet's technological leadership. The announcement also influenced other quantum-related stocks, with Rigetti Computing and D-Wave Quantum seeing notable gains.
A sharp correction in the crypto market led to $1.7 billion in leveraged position liquidations, with Bitcoin dropping to $94,100 and Ethereum falling below $3,800. The market-wide selloff saw significant losses in altcoins like Ripple, Dogecoin, and Cardano. Speculation suggests factors like Google's new quantum computing chip and Bitcoin transfers from Bhutan may have influenced the downturn. Despite concerns about quantum computing's potential threat to crypto security, experts argue that current quantum capabilities are insufficient to compromise Bitcoin's encryption.
Elon Musk expressed interest in quantum computing following Google CEO Sundar Pichai's announcement of the "Willow" chip, which significantly advances error reduction and computational speed. The chip can solve problems in minutes that would take supercomputers 10 septillion years. Musk and Pichai discussed the potential of quantum technology and space exploration, hinting at future collaborations to harness advanced technologies for global progress.
Google's new quantum chip, Willow, marks a significant advancement in quantum computing by exponentially reducing errors as it scales, a breakthrough in quantum error correction. Willow performed a computation in under five minutes that would take a supercomputer 10 septillion years, showcasing its potential to solve complex problems beyond classical computers' capabilities. This development is a major step towards creating commercially viable quantum computers that could transform fields like medicine, energy, and AI.
Google has unveiled a groundbreaking quantum computing chip named Willow, capable of performing tasks in five minutes that would take conventional computers 10 septillion years. This advancement could revolutionize fields like drug development and artificial intelligence by significantly speeding up calculations. The chip is less error-prone than previous versions, marking a major step forward in quantum error correction. However, there are concerns about its potential to break current encryption systems. The development highlights the rapid progress in quantum computing, with experts predicting transformative impacts within five years.
A Canadian research team has discovered a gain-induced group delay in spontaneous parametric down-conversion (SPDC), a process where a photon splits into two entangled photons. This delay, dependent on the intensity of incoming light, could impact applications requiring precise photon timing, such as quantum sensors and computers. The study, published in Physical Review Letters, used theoretical models and experiments to identify this delay, which poses challenges for quantum interference circuits but can be compensated in bulk optics.
Researchers from Uppsala University have discovered a new method of measuring time using the interference patterns of Rydberg wave packets, which are created when atoms are excited to high energy states by lasers. This approach does not require a defined starting point, allowing for precise time measurement at the quantum scale. The technique could enhance quantum computing and other technologies by providing reliable quantum timestamps for events occurring in mere trillionths of a second.
D-Wave has unveiled its new 4,400-qubit Advantage2 quantum processor, claiming it is 25,000 times faster than its predecessor. The processor is designed for complex applications like AI and materials science, offering significant improvements in speed, accuracy, coherence time, energy scale, and qubit connectivity. These enhancements enable the Advantage2 to solve intricate problems more efficiently, supporting advancements in fields such as cryptography and logistics.
South Korean researchers at the Electronics and Telecommunications Research Institute (ETRI) have developed a photonic quantum circuit chip capable of controlling up to eight photons, marking a significant advancement in quantum computing. This chip enables complex quantum phenomena like multipartite entanglement and has achieved record-breaking 6-qubit entanglement. The research, in collaboration with KAIST and the University of Trento, aims to further scale up to 16 and 32-qubit chips, contributing to the development of universal quantum computers.
Google has launched a global competition, XPRIZE Quantum Applications, alongside GESDA, offering a total of $5 million in prizes to find real-world use cases for quantum computing. With the field ballooning to an $866 million industry, the competition aims to shed light on the transformative potential of quantum computing, which currently lacks practical applications. The competition will be judged by researchers from Google, Amazon, and top universities, with hopes of producing real-world use cases for the next generation of computing.
Quantum physicist Natalia Chepiga from Delft University of Technology has developed a guide on how to upgrade quantum simulators, a type of quantum computer, to simulate more complex quantum systems. By using two lasers with different frequencies, the quantum simulator can be tuned to many different settings, allowing for the simulation of collective behavior of quantum systems with many particles. This advancement could lead to new discoveries about the smallest scales of the world and has the potential to revolutionize society in various areas such as finances, encryption, and data storage.