Researchers have developed a circuit that produces the high-quality microwave signals required to control quantum computers while operating at temperatures near absolute zero. This is a key step towards moving the control system closer to […]
Georgios Styliaris (MPQ)Locality in quantum Hamiltonians places fundamental constraints the nature of correlations, and in particular gives rise to a meaningful classification of phases.
npj Quantum Information, Published online: 09 December 2021; doi:10.1038/s41534-021-00505-z Dynamic synthesis of Heisenberg-limited spin squeezing
Cosimo Rusconi (MPQ):I will present the paper PRL 120, 024102 (2018) (see also article cover at QuantaMagazine) where the authors implement a recurrent neural network (RNN) which is able to predict the dynamics of a […]
npj Quantum Information, Published online: 07 December 2021; doi:10.1038/s41534-021-00504-0 Temporal distinguishability in Hong-Ou-Mandel interference for harnessing high-dimensional frequency entanglement
npj Quantum Information, Published online: 06 December 2021; doi:10.1038/s41534-021-00506-y Less entanglement exhibiting more nonlocality with noisy measurements
While the number of qubits and the stability of quantum states are still limiting current quantum computing devices, there are questions where these processors are already able to leverage their enormous computing power. Scientists used […]
Quantum computing is taking a new leap forward due to new research. The team of researchers have proposed a scheme to reduce the number of calculations needed to read out data stored in the state […]
Light not only plays a key role as an information carrier for optical computer chips, but also in particular for the next generation of quantum computers. Its lossless guidance around sharp corners on tiny chips […]
Physicists have developed a theory describing how space reflection and time reversal symmetries can be exploited, allowing for greater control of transport and correlations within quantum materials. Read More Quantum Computers News — ScienceDaily
Physicists said they have finally experimentally documented quantum spin liquids, a long sought-after exotic state of matter. The work marks a big step toward being able to produce this elusive state on demand and to […]
Superconducting coupling between two regions separated by a one micron wide ferromagnetic compound has been proved by an international team. This macroscopic quantum effect, known as Josephson effect, generates an electrical current within the ferromagnetic […]
Miguel Bello (MPQ):Building on last week’s discussion, I’d like to present an ongoing project of Mari Carmen and me where we try transform the long range entanglement generated after a global quantum quench into mixture.
Researchers used the Frontera supercomputer to explore light-induced superconductivity a pulsed laser, which is believed to be a promising route to room-temperature superconductors. They found that d-wave superconductivity can be enhanced by a pulsed laser, […]
npj Quantum Information, Published online: 01 December 2021; doi:10.1038/s41534-021-00503-1 Quantum generative adversarial networks with multiple superconducting qubits
Current approaches to create superconducting qubits for quantum computers yield chips that are substantially larger than those found in classical computers. To shrink things down, researchers have taken advantage of atomically thin, 2D materials to […]
Researchers have created and observed a new phase of matter, popularly known as a time crystal. Read More Quantum Computers News — ScienceDaily
The quantum world and our everyday world are very different places. Physicists now investigate how the act of measuring a quantum particle transforms it into an everyday object. Read More Quantum Computers News — ScienceDaily
Research into superfast quantum computers is now well advanced, but it is not yet possible to connect the individual processors. An international research team has now shown a way to scale quantum computers using nanophotonic […]
Philippe FaistQuantifying quantum states’ complexity is a key problem in various subfields of science, from quantum computing to black-hole physics.
Dominik Wild (MPQ)The preparation of macroscopic non-Gaussian states has been a long-standing challenge in quantum optics.
npj Quantum Information, Published online: 26 November 2021; doi:10.1038/s41534-021-00499-8 Optimal verification of the Bell state and Greenberger–Horne–Zeilinger states in untrusted quantum networks
Daniel Malz (MPQ):A few days ago a paper by Curt von Keyserlingk, Frank Pollmann and Tibor Rakovszky appeared in which they give strong evidence that the time evolution of few-body correlators can be calculated efficiently […]
Holography is a powerful technique of photography of a light field without a lens for 3D imaging and display. Now, scientists at the Max-Planck Institute of Quantum Optics move holography forward by implementing it with […]