Researchers take advantage of quantum entanglement to generate an incredibly large bandwidth using a thin-film nanophotonic device that could lead to advances in metrology, sensing and quantum networks for information processing and communications. Read More […]
Alba Cervera Lierta and Mario Krenn:Logic artificial intelligence (AI) is a subfield of AI where variables can take two defined arguments, True or False, and are arranged in clauses that follow the rules of formal […]
npj Quantum Information, Published online: 29 October 2021; doi:10.1038/s41534-021-00491-2 Effects of surface treatments on flux tunable transmon qubits
Anna Dawid-Łękowska (ICFO and University of Warsaw):Identifying phase transitions is one of the key problems in quantummany-body physics.
npj Quantum Information, Published online: 28 October 2021; doi:10.1038/s41534-021-00478-z Analyzing the performance of variational quantum factoring on a superconducting quantum processor
npj Quantum Information, Published online: 27 October 2021; doi:10.1038/s41534-021-00493-0 Gate-free state preparation for fast variational quantum eigensolver simulations
A team of physicists has demonstrated numerically a dynamical one-parameter scaling called ‘Family-Vicsek (FV) scaling,’ originally found in surface growth physics, in disordered quantum systems. Read More Quantum Computers News — ScienceDaily
By observing how strange particles called anyons dissipate heat, researchers have shown that they can probe the properties of these particles in systems that could be relevant for topological quantum computing. Read More Quantum Computers […]
Matteo Lostaglio (University of Amsterdam)How do we simulate a quantum computation when we (a) don’t have access to a quantum computer (b) have access to a noisy quantum computer (c) have access to a small […]
Scientists are probing topological insulators with circularly polarized light to reveal their many secrets. These exotic materials have potential for quantum computing and other technologies. They discovered that high harmonic generation produces a unique signature […]
The field of attoscience has been kickstarted by new advances in laser technology. Research began with studies of three particular processes. First, ‘above-threshold ionization’ (ATI), describing atoms which are ionized by more than the required […]
Zhi-Yuan Wei (MPQ):We study the adiabatic preparation of various paradigm states in SPT phases using the algorithm in Ref. [1].
npj Quantum Information, Published online: 22 October 2021; doi:10.1038/s41534-021-00492-1 State-independent test of quantum contextuality with either single photons or coherent light
Physicists have described in theoretical terms how to develop codes that cannot be broken by quantum computers — computing devices of the future. These codes rely on distributing single photons that share a quantum character […]
npj Quantum Information, Published online: 20 October 2021; doi:10.1038/s41534-021-00487-y Symmetry-resolved entanglement detection using partial transpose moments
npj Quantum Information, Published online: 20 October 2021; doi:10.1038/s41534-021-00488-x Idler-free multi-channel discrimination via multipartite probe states
Benjamin Schiffer (MPQ):In this informal talk, I will introduce the main concepts of quantum Fisher information.
Convolutional neural networks running on quantum computers have generated significant buzz for their potential to analyze quantum data better than classical computers can. Read More Quantum Computers News — ScienceDaily
SANKEN researchers achieved over 95% accuracy when reading the output spin states of qubits by implementing machine learning. By using deep neural networks, the team was able to overcome noise in both simulated and real […]
SUTD has set out to apply concepts from quantum Parrondo’s paradox in search of a working protocol for semiclassical encryption. Read More Quantum Computers News — ScienceDaily
npj Quantum Information, Published online: 14 October 2021; doi:10.1038/s41534-021-00490-3 Self-testing quantum systems of arbitrary local dimension with minimal number of measurements
A novel electronic component could be an important key to the era of quantum information technology: Using a tailored manufacturing process, pure germanium is bonded with aluminum in a way that atomically sharp interfaces are […]
Materials consisting of a few atomic layers display properties determined by quantum physics. In a stack of such layers, vibrations of the atoms can be triggered by infrared light. New experimental and theoretical work shows […]
Robert Jonsson (MPQ)Having been invited to give this talk at short notice, I am taking the liberty to present a topic a little bit off from the most beaten paths to you.
npj Quantum Information, Published online: 12 October 2021; doi:10.1038/s41534-021-00481-4 Non-Markovian memory strength bounds quantum process recoverability