Hamiltonian simulation in the low-energy subspace
npj Quantum Information, Published online: 27 July 2021; doi:10.1038/s41534-021-00451-w Hamiltonian simulation in the low-energy subspace
Topology in biology
A phenomenon known from quantum systems could now make its way into biology: Researchers show that the notion of topological protection can also apply to biochemical networks. The model which the scientists developed makes the […]
Flexible entanglement-distribution network with an AlGaAs chip for secure communications
npj Quantum Information, Published online: 23 July 2021; doi:10.1038/s41534-021-00454-7 Flexible entanglement-distribution network with an AlGaAs chip for secure communications
Many-Body Seminar. Relative entropic uncertainty relation for scalar quantum fields
Markus Schröfl & Tobi Haas (Heidelberg University)Entropic uncertainty is a well-known concept to formulate uncertainty relations for continuous variable quantum systems with finitely many degrees of freedom.
Variational quantum algorithm with information sharing
npj Quantum Information, Published online: 22 July 2021; doi:10.1038/s41534-021-00452-9 Variational quantum algorithm with information sharing
Demonstrating the power of quantum computers, certification of highly entangled measurements and scalable quantum nonlocality
npj Quantum Information, Published online: 22 July 2021; doi:10.1038/s41534-021-00450-x Demonstrating the power of quantum computers, certification of highly entangled measurements and scalable quantum nonlocality
New quantum research gives insights into how quantum light can be mastered
A team of scientists proposes that modulated quantum metasurfaces can control all properties of photonic qubits, a breakthrough that could impact the fields of quantum information, communications, sensing and imaging, as well as energy and […]
Connecting Fano interference and the Jaynes-Cummings model in cavity magnonics
npj Quantum Information, Published online: 19 July 2021; doi:10.1038/s41534-021-00445-8 Connecting Fano interference and the Jaynes-Cummings model in cavity magnonics
Time-varying quantum channel models for superconducting qubits
npj Quantum Information, Published online: 19 July 2021; doi:10.1038/s41534-021-00448-5 Time-varying quantum channel models for superconducting qubits
Two-qubit sweet spots for capacitively coupled exchange-only spin qubits
Researchers demonstrated theoretical 2-qubit sweet spots in capacitively-coupled triple quantum dot spin qubits, presenting exact CPHASE and CNOT gate sequences with enhanced noise immunity for fault-tolerant quantum computing.
A Bayesian analysis of classical shadows
npj Quantum Information, Published online: 16 July 2021; doi:10.1038/s41534-021-00447-6 A Bayesian analysis of classical shadows
Many Body Seminar: Journal club: The entanglement bootstrap program
Adrián Franco-Rubio (MPQ): I will review recent work by K. Kato, I. Kim and B. Shi, of what they have come to call the entanglement bootstrap program: an attempt at deriving the properties of TQFT-described […]
Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements
npj Quantum Information, Published online: 15 July 2021; doi:10.1038/s41534-021-00414-1 Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements
Quantum-inspired machine learning on high-energy physics data
npj Quantum Information, Published online: 15 July 2021; doi:10.1038/s41534-021-00443-w Quantum-inspired machine learning on high-energy physics data
Quantum movements of small glass sphere controlled
The quantum movements of a small glass sphere could be controlled for the first time in Vienna by combining microscopy with control engineering, setting the course for future quantum technologies. Read More Quantum Computers News […]
Opening the gate to the next generation of information processing
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 […]
Riemann zeros from Floquet engineering a trapped-ion qubit
npj Quantum Information, Published online: 14 July 2021; doi:10.1038/s41534-021-00446-7 Riemann zeros from Floquet engineering a trapped-ion qubit
Provably efficient machine learning for quantum many-body problems
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.
Universal and operational benchmarking of quantum memories
npj Quantum Information, Published online: 13 July 2021; doi:10.1038/s41534-021-00444-9 Universal and operational benchmarking of quantum memories
Seeing with radio waves
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. […]
Physicists take big step in race to quantum computing
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
Many Body Seminar: Recent progress on area laws for entanglement entropy
Yilun Yang (MPQ)The area law for entanglement entropy of local, gapped 1D systems supports the success of DMRG algorithm.
Machine learning tool sorts the nuances of quantum data
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 […]
Quantum random number cloud platform
npj Quantum Information, Published online: 07 July 2021; doi:10.1038/s41534-021-00442-x Quantum random number cloud platform
MPQ congratulates Monika Aidelsburger on winning the Alfried Krupp Prize
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.