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Scientists develop novel high-fidelity quantum computing gate

Researchers from the RIKEN Center for Quantum Computing and Toshiba have succeeded in building a quantum computer gate based on a double-transmon coupler (DTC), which had been proposed theoretically as a device that could ...

New theory reveals the shape of a single photon

A new theory that explains how light and matter interact at the quantum level has enabled researchers to define for the first time the precise shape of a single photon.

A new method for creating a quantum gas

Cooling atomic gases to the quantum regime often involves time-consuming steps. Electromagnetically induced transparency now achieves quantum degeneracy with high efficiency.

Physicists create the first fully mechanical qubit

A team of physicists at ETH Zürich has built the first-ever working mechanical qubit. In their paper published in the journal Science, the group describes their novel idea for creating such a qubit and how well it has worked ...

New route to quantum spin liquid materials discovered

A new route to materials with complex disordered magnetic properties at the quantum level has been produced by scientists for the first time. The material, based on a framework of ruthenium, fulfills the requirements of the ...

Quantum computing researchers develop an 8-photon qubit chip

A group of South Korean researchers has successfully developed an integrated quantum circuit chip using photons (light particles). It is a system capable of controlling eight photons using a photonic integrated-circuit chip. ...

Scientists find a new way of entangling light and sound

For a wide variety of emerging quantum technologies, such as secure quantum communications and quantum computing, quantum entanglement is a prerequisite. Scientists at the Max-Planck-Institute for the Science of Light (MPL) ...

How 'clean' does a quantum computing test facility need to be?

Now is the time to banish low-level radioactive energy sources from facilities that house and conduct experiments with superconducting qubits, according to a pair of recently published studies. Significantly improving quantum ...

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Quantum Physics
Researchers demonstrate universal control of a quantum dot-based system with four singlet-triplet qubits
General Physics
Lattice QCD method suggests a simpler spectrum of exotic XYZ hadrons
Quantum Physics
Scientists demonstrate controlled transfer of atoms using coherent tunneling between optical tweezers
Quantum Physics
Compact error correction: Toward a more efficient 'quantum hard drive'
Quantum Physics
Implementing topologically ordered time crystals on quantum processors
Condensed Matter
Scientists capture images of a new quantum phase in electron molecular crystals
Condensed Matter
Quantum vortices confirm superfluidity in supersolid
Condensed Matter
Controlling skyrmions at room-temperature in 2D topological spin structure technology
General Physics
A human topological insulator: Researchers use choreographed dance to explain quantum materials
Quantum Physics
Successful demonstration of a commercial cryogenic radio frequency power sensor paves way for quantum computing
Quantum Physics
Physicists propose Bell test for probing quantum entanglement
Optics & Photonics
A new paradigm for control of quantum emitters—modulating and encoding quantum photonic info on a single light stream
Quantum Physics
25 km quantum network link between Dutch cities represents a key advance
Condensed Matter
Discovery challenges existing theories of magnetism in kagome metals
Quantum Physics
AI training method can drastically shorten time for calculations in quantum mechanics
Condensed Matter
Quantum simulator could help uncover materials for high-performance electronics
Quantum Physics
Scientists provide direct evidence of breakdown of spin statistics in ion-atom charge exchange collisions
Condensed Matter
How a classical computer beat a quantum computer at its own game
Quantum Physics
Study observes a phase transition in magic of a quantum system with random circuits
Optics & Photonics
A new spectroscopy method reveals water's quantum secrets

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Plants & Animals
Slender-billed Curlew may be extinct, marking the disappearance of a third bird species from the Western Palaearctic
Earth Sciences
Man scouring Google Earth found a mysterious scar in the Australian outback. Now we know what caused it
Astronomy
WEAVE spectrograph uncovers dual nature of galaxy shock
Environment
Scientists seek miracle pill to stop methane cow burps
Plants & Animals
First successful test of wild minke whales reveals they have ultrasonic hearing
Archaeology
Healthy elbow room: Social distancing in Neolithic mega-settlements
Other
Saturday Citations: Sweaty, remarkable humans; ocean level rise projections; closeup of a star in another galaxy
Analytical Chemistry
Sustainable method can electrosynthesize important chemical for synthetic rubber production
Astrobiology
Ryugu asteroid sample rapidly colonized by terrestrial life despite strict contamination control
Astrobiology
Oldest direct evidence of hot water activity on Mars found
Astronomy
2 million mph galaxy smash-up seen in unprecedented detail
Evolution
Gene regulation study reports surprising results: Extensive regions of DNA belong to multiple gene switches
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Peaches spread across North America through Indigenous networks, radiocarbon dating and document analysis show
General Physics
Accessing the lesser known nucleon: New neutron measurement can help physicists learn about nucleon structure and spin
Biochemistry
Natural substance from edible cyanobacterium could combat skin aging by enhancing collagen
Molecular & Computational biology
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Archaeology
Earliest fish-trapping facility in Central America discovered in Maya lowlands

With spin centers, quantum computing takes a step forward

Quantum computing, which uses the laws of quantum mechanics, can solve pressing problems in a broad range of fields, from medicine to machine learning, that are too complex for classical computers.

New multimode coupler design advances scalable quantum computing

Implementing a fault-tolerant quantum processor requires coupling qubits to generate entanglement. Superconducting qubits are a promising platform for quantum information processing, but scaling up to a full-scale quantum ...

Physicists move one step closer to topological quantum computing

A team of experimental physicists led by the University of Cologne have shown that it is possible to create superconducting effects in special materials known for their unique edge-only electrical properties. This discovery ...