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Discovery of classic pi formula a ‘cunning piece of magic’

Wallis formula buried in quantum mechanics calculation

While the quantum calculations developed by Danish physicist Niels Bohr in the early twentieth century give accurate val…

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Split light wave switches nano-enhancers of light on and off

In collaboration with Philips Lighting, researchers from the FOM institutes AMOLF and DIFFER have found a way to switch …

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Chinese scientists realize quantum simulation of the Unruh effect

Quantum mechanics and relativity theory are two pillars of modern physics. With their amalgamation, many novel phenomena…

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Classical physics in a spin

Simple “spin models” used to explain magnetism can precisely reproduce any possible phenomenon in classical, non-quantum physics, according to scientists at the MPQ and UCL.

This new work shows that the result holds for all of classical physics and for much simpler models. Moreover, by connect…

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INRS takes giant step forward in generating optical qubits

Thanks to these integrated quantum frequency combs, the chip developed by INRS is able to generate entangled multi-photo…

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ORNL researchers stack the odds for novel optoelectronic 2D materials

In Raman scattering, an optical method for probing atomic vibrations, a material scatters monochromatic light from a las…

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Protected Majorana states for quantum information

There are many different physical systems that could in principle be used as quantum bits. The problem is that most quan…

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A New Source of Quantum Light

This feat was achieved thanks to the nanometrically-precise positioning of a quantum dot within an optical microcavity. …

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Tunable Materials Clear the Way for Advanced Optics

Physicists develop a way to precisely engineer the transition point for the phase-transition material vanadium dioxide to occur at specific temperatures

Rather than relying on mechanical components to focus an object such as a camera lens or telescope eyepiece, a tunable m…

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Step towards ‘holy grail’ of silicon photonics

Creation of first practical silicon-based laser has the potential to transform communications, healthcare and energy systems

A group of researchers from the UK, including academics from Cardiff University, has demonstrated the first practical la…

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New way of probing graphene devices

ICFO researchers develop a new non-invasive, low cost, room-temperature technique for graphene device characterization.

The team of researchers has been able to develop a system capable of probing the electrical and optical properties of gr…

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Star Trek’s Vision Becomes Reality

Physicists for the First Time Demonstrate Teleportation of Classic Object

The team of scientists lead by science fiction fan Szameit has now for the first demonstrated in an experiment that the …

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The beginning of the end for encryption schemes?

New quantum computer, based on five atoms, factors numbers in a scalable way.

The computer uses laser pulses to carry out Shor’s algorithm on each atom, to correctly factor the number 15. The system…

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Three "twisted" photons in three dimensions

Experiment opens door for quantum encryption

Researchers have achieved a new milestone in quantum physics: they were able to entangle three particles of light in a h…

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MIPT physicists promise a copper revolution in nanophotonics

Researchers from the Moscow Institute of Physics and Technology have for the first time experimentally demonstrated that…

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Interference at a Double Slit Made of Two Atoms

MPQ scientists observe unusual interference phenomena by scattering laser light from two atoms trapped inside an optical resonator

The investigation and exploitation of light-matter-interaction in optical resonators is one of the central research topi…

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Important step in understanding of light scattering

A team of researchers from the University of Twente and from Philips in the Netherlands has suc­ceeded in taking an impo…

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Characterizing quantum Hall light zooming around a photonic chip

Researchers have engineered quantum Hall behavior in other platforms besides the solid-state realm in which it was origi…

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Upper Limit Found for Quantum World

The laws of nature in the domain of quanta do not apply to our everyday lives. We are used to assign an exact location a…

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New Discovery at UMass Amherst May Lead to More Efficient Solar and Opto-Electronic Devices

Researchers report in Nature Communications this week that they have for the first time identified an unexpected propert…

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