Researchers successfully simulated Google’s 53-qubit Sycamore quantum circuit seven times faster than the original quantum computer using 1,432 GPUs and innovative tensor network algorithms, effectively refuting Google’s quantum advantage claim.
Scientists have discovered and experimentally confirmed the existence of “quadruplons,” genuine four-body quasi-particles consisting of two electrons and two holes tightly bound together in a monolayer semiconductor, which represent a fundamentally new type of matter excitation beyond previously known quasi-particles like excitons and bi-excitons.
UCL researchers have developed a groundbreaking technique using arsenic atoms in silicon that achieves a 97% success rate for single-atom placement (compared to phosphorus’s 70%), potentially solving quantum computing’s twin challenges of error rates and scalability through scanning tunneling microscopy hydrogen resist lithography.
A groundbreaking theory bridges quantum mechanics and general relativity by treating the spacetime metric as a quantum operator and introducing an entropy-based gravitational action that yields modified Einstein equations with an emergent cosmological constant, potentially explaining cosmic expansion and dark matter through a novel auxiliary “G-field.”
Harvard scientists have developed a groundbreaking photon router that creates an optical interface between light signals and superconducting microwave qubits, potentially solving a major quantum computing challenge by enabling different quantum systems to communicate efficiently without bulky wires, thus bringing distributed, fiber-optic-based quantum computers closer to reality.
Scientists have devised a means of achieving improved information processing with a new technology for effective gate operation. This technology has applications in classical electronics as well as quantum computing, communications and sensing. Read More […]
npj Quantum Information, Published online: 14 July 2021; doi:10.1038/s41534-021-00446-7 Riemann zeros from Floquet engineering a trapped-ion qubit
Hsin-Yuan (Robert) Huang (Caltech)Classical machine learning (ML) provides a potentially powerful approach to solving challenging quantum many-body problems in physics and chemistry.
npj Quantum Information, Published online: 13 July 2021; doi:10.1038/s41534-021-00444-9 Universal and operational benchmarking of quantum memories
Researchers have achieved micrometer spatial resolution for radio-frequency imaging of nitrogen-vacancy centers in diamond by enhancing the signal with quantum spin-locking. This work may lead to more accurate material characterization, medical diagnostics, and quantum computers. […]
A team of physicists has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum bits, or ‘qubits.’ Read More Quantum Computers News — ScienceDaily
Yilun Yang (MPQ)The area law for entanglement entropy of local, gapped 1D systems supports the success of DMRG algorithm.
An interdisciplinary team of researchers developed a machine learning tool to parse quantum matter and make crucial distinctions in the data, an approach that will help scientists unravel the most confounding phenomena in the subatomic […]
npj Quantum Information, Published online: 07 July 2021; doi:10.1038/s41534-021-00442-x Quantum random number cloud platform
In June 2021, researchers from the QT Hub’s radar team conducted live trials at Cranfield Airport with birds of prey and drones to further research on quantum-enabled radar capabilities for airspace detection. Once developed, quantum-enabled […]
Monika Aidelsburger, Professorin für künstliche Quantenmaterie an der LMU München, gewinnt den Alfried Krupp-Förderpreis. Das Preisgeld ist auf eine Millionen Euro dotiert und soll den Preisträgern so möglichst viel Freiheit beim Forschen ermöglichen.
The primary aim of the UK Quantum Technology Hub Sensors and Timing has always been to take technology out of the labs into the marketplace, where it can be translated into real-world applications. Professor Rosalind […]
Flavio Baccari (MPQ)Quantum computing and quantum simulation experiments are reaching a regime where no classical simulation of their output is achievable.
As of July 1st, Zurich Instruments is owned entirely by Rohde & Schwarz, a German technology group headquartered in Munich.
A study at the McKelvey School of Engineers at St. Louis University in Washington uncovered a missing component in the optical quantum… Continue reading on Quantum Computing »
Scientists have been looking for half an electron as a basis for a quantum computer. They investigated a promising experimental setup just to find that the signals they measured were not telling the truth. Read […]
Albert Gasull (MPQ):This week an interesting workshop on entanglement in QFT (and more generally) is happening in Heidelberg and online.
Scientists at MPQ succeed for the first time in teleporting quantum information encoded in an atomic qubit to a laboratory 60 meters away using just one single photon as a resource.
Researchers propose a scheme to identify and weigh the quantum orbits in strong-field tunneling ionization. Read More Quantum Computers News — ScienceDaily
Research led by Kent and the STFC Rutherford Appleton Laboratory has resulted in the discovery of a new rare topological superconductor, LaPt3P. This discovery may be of huge importance to the future operations of quantum computers. Superconductors […]
In the 26th calendar week and for a second time in 2021, yet another MPQ physicist has been named “female physicist of the week”: MPQ congratulates Nathalie Nagl, postdoctoral student in the Attosecond division.
Scientists have developed a groundbreaking quantum logic gate that brings quantum computing closer to reality. Read More Quantum Computers News — ScienceDaily
Esther Cruz (MPQ): Matchgate circuits refer to a class of quantum circuits that, like Clifford circuits, are classically simulable.
Using intense pulses of laser light, members of the attoworld team at the Max Planck Institute for Quantum Optics and the Ludwig-Maximilian University have synthesized trihydrogen ions from water molecules adsorbed onto nanoparticles.
npj Quantum Information, Published online: 28 June 2021; doi:10.1038/s41534-021-00437-8 Neutron optical test of completeness of quantum root-mean-square errors