Quantum Physics and Quantum Computing

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Tiny new device could enable giant future quantum computers

Their device uses microwave-frequency vibrations, oscillating billions of times per second, to manipulate laser light wi…

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Efficient Quantum Process Tomography for Enabling Scalable Optical Quantum Computing

This technology, which can analyze large-scale operations with less data, represents an important step toward scalable q…

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New advances in quantum structured light pave the way for safer communications and ultra-fast computing

The authors highlight how the manipulation of multiple degrees of freedom of light, such as polarization, spatial modes,…

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Quantum Art Demonstrates Longest Straight and Stable 1D Trapped Ion Chain for Quantum Computing

200-ion Chain Demonstration Validates Essential Scalability Pillar in Race Toward Commercial Quantum Computing

The 200-ion chain, spaced at 5 microns from each other, highlights the company’s precision trap engineering and confirms…

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IBM Delivers New Quantum Processors, Software, and Algorithm Breakthroughs on Path to Advantage and Fault Tolerance

The company is announcing IBM Quantum Loon, its experimental processor that, for the first time, shows that IBM has demo…

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Quantinuum Announces Commercial Launch of New Helios Quantum Computer that Offers Unprecedented Accuracy to Enable Generative Quantum AI (GenQAI)

Helios launches with customers Amgen, BMW Group, JPMorganChase, and SoftBank Corp.

Helios unlocks the ability to enhance GenAI models with quantum generated data, thereby unlocking AI’s full potential in

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Two-dimensional quantum materials act as cavities

This circuitry confines light to smaller than the light’s wavelength—overcoming the size mismatch between the light and…

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Time crystals could power future quantum computers

A time crystal, a long-life quantum system approaching perpetual motion, has been hooked up to its environment for the first time, unlocking an intriguing way to increase quantum computational and sensing power.

The physicists used radio waves to pump magnons into a

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Proven quantum advantage: Researchers cut the time for a learning task from 20 million years to 15 minutes

Amid high expectations for quantum technology, a new paper in Science reports proven quantum advantage. In an experiment, entangled light lets researchers learn a system's noise with very few measurements.

In more detail, the system consisted of an optical channel in which multiple light pulses shared the same noise pattern.…

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Quantum scars boost electron transport and drive the development of microchips

Improved electron flow enables electrical conduction in nanoscale components – structures measured in

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Measuring the quantum W state

Seeing a trio of entangled photons in one go

They created a device to demonstrate the proposed method for three photons using high-stability optical quantum circuits…

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A new book on modeling quantum phenomena is a journey into the quantum world

The book covers the quantum Monte Carlo method, which can be used to calculate the properties of quantum mechanical syst…

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Researchers Achieve Experimental Realization of Long-Lived Dark State-Based Quantum Entanglement

Their findings were published online in Nature Communications on July 9, 2025.

Although such states usually suppress photon emission, under specific conditions, the entangled quantum dots emitted pho…

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Geometry revealed at the heart of quantum matter

A UNIGE team reveals a once purely theoretical geometry at the heart of quantum materials, with major implications for future electronics.

Known as quantum metric, this geometry reflects the

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IBM and AMD Join Forces to Build the Future of Computing

Companies aim to merge AI accelerators, quantum computers, and high-performance computing to help solve a wide range of the world's most difficult problems

In a quantum-centric supercomputing architecture, quantum computers work in tandem with powerful high-performance comput…

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Quantum researchers observe real-time switching of the magnet in the heart of a single atom

To their surprise, the spin remained stable for several seconds, offering prospects for enhanced control of the

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How an in-between quantum state could boost future technologies

New work by University of Michigan theorists describes a physical phenomenon that could open new doors for things like quantum computers

The paper points to new design considerations that could make accessing

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World-unique method enables simulation of error-correctable quantum computers

The method developed by the researchers consists of an algorithm capable of simulating quantum computations that use

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There are 148 articles in Quantum Physics and Quantum Computing
Quantum Physics and Quantum Computing Archive