Quantum

Ultracold Gas Exhibits Bizarre Quantum Behavior

Experiments on an ultracold gas show strange quantum behavior.The observations point to applications in quantum computing.The find may also advance chaos theory and explain the butterfly effect.Experiments by California physicists revealed "bizarre"...
Related topics: Physics

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Atom-billiards With X-rays: A New Approach To Look Inside Of Molecules

Since these early days of quantum mechanics, it is known that photons also possess momentum. The photon's ability to transfer momentum was used in a novel approach by scientists to observe a fundamental process in the interaction of x-rays with...
Related topics: Physics

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Spin Clean-up Method Brings Practical Quantum Computers Closer To Reality

Quantum computers are the new frontier in advanced research technology, with potential applications such as performing critical calculations, protecting financial assets, or predicting molecular behavior in pharmaceuticals. Researchers from Osaka...
Related topics: Physics

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Researchers Work To Create A Roadmap On Quantum Materials

The term 'quantum materials' was introduced to highlight the exotic properties of unconventional superconductors, heavy-fermion systems (materials with unusual electronic and magnetic properties) and multifunctional oxides. More recently, the...
Related topics: Physics, Superconductors

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Antiferromagnet Lattice Arrangements Influence Phase Transitions

Antiferromagnets contain orderly lattices of atoms and molecules, whose magnetic moments are always pointed in exactly opposite directions to those of their neighbors. These materials are driven to transition to other, more disorderly quantum states...
Related topics: Physics

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Columbia Leads Effort To Develop A Quantum Simulator

Quantum technologies—simulators and computers specifically—have the potential to revolutionize the 21st century, from improved national defense systems to drug discovery to more powerful sensors and communication networks.
Related topics: Physics, Scientific Discoveries

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A Question Of Reality

Physicists have published a review that explores Bell's inequalities and his concepts of reality and explains their relevance to quantum information and its applications.
Related topics: Physics

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New Possibilities For Working With Quantum Information

The spin of particles can be manipulated by a magnetic field. This principle is the basic idea behind magnetic resonance imaging as used in hospitals. A surprising effect has now been discovered in the spins of phosphorus atoms coupled to...
Related topics: Physics, Scientific Discoveries, Microwaves

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The Return Of The Spin Echo

A research team from Garching and Vienna discovered a remarkable echo effect that offers exciting new possibilities for working with quantum information.
Related topics: Scientific Discoveries, Physics

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Single Photon Emission From Isolated Monolayer Islands Of Ingan

Single photon emitters are essential devices for the realization of future optical quantum technologies including optical quantum computing and quantum key distribution. Towards this goal, Scientists in China and Japan identified and characterized a...
Related topics: Physics

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Squeezed Light Makes Virgo's Mirrors Jitter

Quantum mechanics does not only describe how the world works on its smallest scales, but also affects the motion of macroscopic objects. An international research team, including four scientists from the MPI for Gravitational Physics...
Related topics: Physics, Albert Einstein

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Quantum Dot Photovoltaics Make A Lasting Impression

A process developed at KAUST for depositing extremely thin and smooth films can make it easier to manufacture stable solar cells based on quantum dot technology.
Related topics: Physics

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The Quantum Butterfly Noneffect

A familiar concept from chaos theory turns out to work differently in the quantum world -- Read more on ScientificAmerican.com
Related topics: Physics

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Why There Is No Speed Limit In The Superfluid Universe

Physicists have established why objects moving through superfluid helium-3 lack a speed limit; exotic particles that stick to all surfaces in the superfluid. The discovery may guide applications in quantum technology, even quantum computing, where...
Related topics: Physics, Helium, Scientific Discoveries

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New Design Principles For Spin-based Quantum Materials

As our lives become increasingly intertwined with technology—whether supporting communication while working remotely or streaming our favorite show—so too does our reliance on the data these devices create. Data centers supporting these...
Related topics: Physics

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Lighting The Way To Infrared Detection

EPFL physicists propose a new path to detect infrared radiation with outstanding sensitivity, allowing detection of signals as low as that of a single quantum of light.
Related topics: Physics

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Quantum And Classical Computers Handle Time Differently. What Does That Mean For Ai?

As humans, we take time for granted. We’re born into an innate understanding of the passage of events because it’s essential to our survival. But AI suffers from no such congenital condition. Robots do not understand the concept of time. State...
Related topics: Robots

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Scientists Obtain Broad-band Single-mode Lasers In Colloidal Quantum Dots

In the past two decades, great efforts have been made to achieve lasers based on colloidal quantum dots (CQDs), especially CQD-based single-mode lasers, which is important in on-chip optical processing and data storage due to low noise and good...
Related topics: Laser, Physics

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A Quantum Thermometer For Measuring Ultra-cold Temperatures

In everyday life, measuring temperature is pretty straightforward. But in the quantum world, which deals with the super small and the ultra-cold, determining how hot or cold something is starts to get more challenging. Now researchers have described...
Related topics: Physics

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Reaching 90% Pl Quantum Yield In 1-d Metal Halide By Pressure-suppressed Nonradiative Loss

Low-dimensional perovskite-related metal halides have emerged as a new class of light-emitting materials with tunable broadband emission from self-trapped excitons (STEs). Although various types of low-dimensional structures have been developed,...
Related topics: Physics

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