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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 ...

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General Physics
A proposed experiment to test whether gravity behaves as a quantum entity when measured
Optics & Photonics
Quantum computing researchers develop an 8-photon qubit chip
Optics & Photonics
Scientists find a new way of entangling light and sound
Quantum Physics
Researchers demonstrate universal control of a quantum dot-based system with four singlet-triplet qubits
Condensed Matter
Unique magnetic properties of 2D triangular lattice materials have potential applications for quantum computing
Quantum Physics
How 'clean' does a quantum computing test facility need to be?
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

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Cell & Microbiology
Better health diagnostics through genetically engineered embedded sentinel cells
General Physics
Benchmarking the Continuous Electron Beam Accelerator Facility
Earth Sciences
Unexplained heat-wave 'hotspots' are popping up across the globe
Astronomy
Bandwidth measurements show how pulsar signals distort as they move through space
Astronomy
Astronomers discover a 'hot Neptune' in a tight orbit
Astronomy
Final data and undiscovered images from NASA's NEOWISE
Analytical Chemistry
Cobalt ions, not covalent organic frameworks themselves, drive catalytic activity, study finds
Biochemistry
Biochemical alert system makes quick health and environmental monitoring possible
Evolution
Fruit fly study offers new insights into sperm evolution
Social Sciences
Aesthetics study examines music's influence on experience of art
Analytical Chemistry
From days to hours: A faster way to make a promising new catalyst
Plants & Animals
Great apes visually track subject-object relationships like humans do, research reveals
Plants & Animals
Scientists successfully use harmless viruses to investigate the nervous system in frogs
Astronomy
Ultrawide binary objects in the Kuiper belt may not have come from the earliest solar system, research suggests
Cell & Microbiology
Study discovers how algae produce a hormone they use to communicate
Astronomy
Observations detect the lowest mass ratio contact binary to date
Polymers
Microwave-assisted synthesis route leads to record-breaking performance for CO₂ conversion
Analytical Chemistry
Improved catalyst turns harmful greenhouse gases into cleaner fuels and feedstocks
Mathematics
Can we avert the looming food crisis of climate change? Mathematical model reveals critical threshold
Nanophysics
A pathway toward new quantum devices: Electrically defined quantum dots in zinc oxide

Bounding the amount of entanglement from witness operators

A team of researchers has proposed an approach to quantify entanglement using the standard entanglement witness procedure under three common experimental scenarios. Their work is published in Physical Review Letters.

Springing simulations forward with quantum computing

Though "coupled oscillations" may not sound familiar, they are everywhere in nature. The term "coupled harmonic oscillators" describes interacting systems of masses and springs, but their utility in science and engineering ...