Frequency microcombs are specialized light sources that can function as light-based clocks, rulers and sensors to measure time, distance and molecular composition with high precision. New research presents a novel tool for investigating the quantum […]
David Castells (MPQ)We will be looking into two-dimensional arrays of atoms in an optical lattice with sub-wavelength spacing.
Researchers have made a breakthrough that should help pave the way for greatly improved control over the formation of quantum bits or qubits, the basic unit of quantum information technology. Read More Quantum Computers News […]
npj Quantum Information, Published online: 16 December 2021; doi:10.1038/s41534-021-00508-w Hybrid light-matter networks of Majorana zero modes
npj Quantum Information, Published online: 16 December 2021; doi:10.1038/s41534-021-00502-2 Maximizing quantum discord from interference in multi-port fiber beamsplitters
Researchers have observed exotic fractional states at low magnetic field in twisted bilayer graphene for the first time. Read More Quantum Computers News — ScienceDaily
Losing particles can lead to positive, robust effects. An international collaboration has demonstrated a novel topology arising from losses in hybrid light-matter particles, introducing a new avenue to induce the highly-prized effects inherent to conventional […]
Laser beams can do more than just heat things up; they can cool them down too. That is nothing new for physicists who have devoted themselves to precision spectroscopy and the development of optical atomic […]
npj Quantum Information, Published online: 13 December 2021; doi:10.1038/s41534-021-00507-x Experimental critical quantum metrology with the Heisenberg scaling
npj Quantum Information, Published online: 10 December 2021; doi:10.1038/s41534-021-00497-w A machine learning approach to Bayesian parameter estimation
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, […]