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Search results for continuous variable quantum

Nanomaterials May 29, 2024

Engineers link oxygen to graphene quality and develop new techniques to reproducibly make the material at scale

Graphene has been called "the wonder material of the 21st century." Since its discovery in 2004, the material—a single layer of carbon atoms—has been touted for its host of unique properties, which include ultra-high ...

Quantum Âé¶¹ÒùÔºics May 1, 2024

Generating graph states of atomic ensembles via photon-mediated entanglement

Graph states, a class of entangled quantum states that can be represented by graphs, have been the topic of numerous recent physics studies, due to their intriguing properties. These unique properties could make them particularly ...

Soft Matter Apr 10, 2024

Âé¶¹ÒùÔºicists track how continuous changes in dimensionality affect collective properties of a superfluid

An international research team from Innsbruck and Geneva has, for the first time, probed the dimensional crossover for ultracold quantum matter. In the regime between one and two dimensions, the quantum particles perceive ...

Analytical Chemistry Apr 5, 2024

Scientists harness chemical dynamics for complex problem solving

At the intersection of chemistry and computation, researchers from the University of Glasgow have developed a hybrid digital-chemical probabilistic computational system based on the Belousov-Zhabotinsky (BZ) reaction which ...

Quantum Âé¶¹ÒùÔºics Apr 2, 2024

100 kilometers of quantum-encrypted transfer

Researchers at DTU have successfully distributed a quantum-secure key using a method called continuous variable quantum key distribution (CV QKD). The researchers have managed to make the method work over a record 100 km ...

Optics & Photonics Mar 13, 2024

Researchers achieve quantum key distribution for cybersecurity in novel experiment

Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated that advanced quantum-based cybersecurity can be realized in a deployed fiber link.

Optics & Photonics Feb 26, 2024

Measuring the properties of light: Scientists realize new method for determining quantum states

Scientists at Paderborn University have used a new method to determine the characteristics of optical quantum states. For the first time, they are using certain photon detectors—devices that can detect individual light ...

Astronomy Feb 6, 2024

What is dark energy? Inside our accelerating, expanding universe

Some 13.8 billion years ago, the universe began with a rapid expansion we call the Big Bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn't ...

Earth Sciences Jan 24, 2024

Researchers advocate for sustainable logging to safeguard against global flood risks

It's time to recognize the power of healthy forests in managing global growing flood risk, and to shift towards more sustainable forestry practices and policy.

Optics & Photonics Jan 17, 2024

Researchers observe the wave-particle duality of two photons

Understanding the nature of quantum objects' behaviors is the premise for a reasonable description of the quantum world. Depending on whether the interference can be produced or not, the quantum object is endowed with dual ...

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