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Category: quantum physics – Page 492

Experiment shows Einstein-Podolsky-Rosen paradox scales up

A group of physicists at the University of Basel, in Switzerland, has found via experimentation that the Einstein-Podolsky-Rosen paradox still holds even when scaled up. Paolo Colciaghi, Yifan Li, Philipp Treutlein and Tilman Zibold describe their experiment in Physical Review X.

In 1935, Albert Einstein, Boris Podolsky and Nathan Rosen published a paper outlining a that suggested that did not give a complete description of reality. They argued for the existence of “elements of reality” that were not part of quantum theory—and then went further by speculating that it should be possible to come up with a new theory that would contain such hidden variables.

Their experiment has since come to be known as the EPR paradox because of the contradictions it reveals, such as one particle in a system influencing other particles due to entanglement, and also that it can become possible to know more about the particles in a given system than should be allowed by the Heisenberg uncertainty principle.

Physicists Conduct The Most Massive Test Ever of The Einstein-Podolsky-Rosen Paradox

In the most massive test to date, physicists have probed a major paradox in quantum mechanics and found it still holds even for clouds of hundreds of atoms.

Using two entangled Bose-Einstein condensates, each consisting of 700 atoms, a team of physicists co-led by Paolo Colciaghi and Yifan Li of the University of Basel in Switzerland has shown that the Einstein-Podolsky-Rosen (EPR) paradox scales up.

The researchers say this has important implications for quantum metrology – the study of measuring things under quantum theory.

Researchers “Split” Phonons in Step Toward New Type of Linear Mechanical Quantum Computer

The experiments are the first of their kind and could lead to new advances in computing.

A team at the University of Chicago.

Founded in 1,890, the University of Chicago (UChicago, U of C, or Chicago) is a private research university in Chicago, Illinois. Located on a 217-acre campus in Chicago’s Hyde Park neighborhood, near Lake Michigan, the school holds top-ten positions in various national and international rankings. UChicago is also well known for its professional schools: Pritzker School of Medicine, Booth School of Business, Law School, School of Social Service Administration, Harris School of Public Policy Studies, Divinity School and the Graham School of Continuing Liberal and Professional Studies, and Pritzker School of Molecular Engineering.

Scientists Just Showed How to Make a Quantum Computer Using Sound Waves

One thing all quantum computers have in common is the fact that they manipulate information encoded in quantum states. But that’s where the similarities end, because those quantum states can be induced in everything from superconducting circuits to trapped ions, ultra-cooled atoms, photons, and even silicon chips.

While some of these approaches have attracted more investment than others, we’re still a long way from the industry settling on a common platform. And in the world of academic research, experimentation still abounds.

Now, a team from the University of Chicago has taken crucial first steps towards building a quantum computer that can encode information in phonons, the fundamental quantum units that make up sound waves in much the same way that photons make up light beams.

A new study shows how ‘splitting’ sound takes us one step closer to a new type of quantum computer

Scientists have demonstrated entanglement and two-particle interference with phonon using an acoustic beam splitter.

Phonons are to sound what photons are to light. Photons are tiny packets of energy for light or electromagnetic waves. Similarly, phonons are packets of energy for sound waves. Each phonon represents the vibration of millions of atoms within a material.

Both photons and phonons are of central interest to quantum computing research, which exploits the properties of these quantum particles. However, phonons have proven challenging to study due to their susceptibility to noise and issues with scalability and detection.

Research takes first steps towards realizing mechanical qubits

Quantum information (QI) processing may be the next game changer in the evolution of technology, by providing unprecedented computational capabilities, security and detection sensitivities. Qubits, the basic hardware element for quantum information, are the building block for quantum computers and quantum information processing, but there is still much debate on which types of qubits are actually the best.

Research and development in this field is growing at astonishing paces to see which system or platform outruns the other. To mention a few, platforms as diverse as superconducting Josephson junctions, trapped ions, topological qubits, ultra-cold neutral atoms, or even diamond vacancies constitute the zoo of possibilities to make qubits.

So far, only a handful of platforms have been demonstrated to have the potential for quantum computing, marking the checklist of high-fidelity controlled gates, easy qubit-qubit coupling, and good isolation from the environment, which means sufficiently long-lived coherence.

China’s photonic quantum computer is 180 million times faster says ‘father of quantum’

It took less than a second to solve a puzzle that super computers would take five years to solve.

A quantum computer, Juizhang, built by a team led by Pan Jianwei, has claimed that it can process artificial intelligence (AI) related tasks 180 million times faster, the South China Morning Post.

Even as the US celebrates its lead in the list of TOP500 supercomputers in the world, China has been slowly building its expertise in the next frontier of computing — quantum computing. Unlike conventional computing, where a bit-the smallest block of information can either exist as one or zero, a bit in quantum computing can exist in both states at once.

Quantum Computing in AI (a NEW Era of Technology)

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Welcome to a thrilling exploration of Quantum Computing in AI! This video breaks new ground in explaining the exciting world of Quantum Computing, its intersection with Artificial Intelligence, and how it ushers us into a revolutionary new era of technology.

In the first segment, we demystify the concept of Quantum Computing. We delve into its complex yet fascinating principles, making it understandable even if you’re a novice in this field. If you’ve ever wondered how quantum bits (qubits) and superposition defy the norms of classical computing, this is your ultimate guide.

Next, we discuss the contrasting differences and functionalities of Quantum Computing Vs Classical Computing. By demonstrating the sheer power and potential of quantum computers, we illustrate why they are the vanguards of the future of computing.

What can a Quantum Computer really do? This question is answered in an intriguing section, where we highlight the extraordinary capabilities of these computing marvels. We also take a peek into quantum supremacy, a unique realm where quantum computers outperform classical ones.

As we move forward, the video explores Quantum Machine Learning, a new paradigm in AI. This exciting field combines Quantum Computing with Artificial Intelligence, pushing the boundaries of what’s possible in data processing, learning, and prediction. It’s a game-changer you can’t afford to miss!

Our journey doesn’t stop there! We also discuss real-world applications of Quantum AI. From healthcare to cybersecurity, finance, and more, learn how Quantum AI is transforming industries with unprecedented efficiency and precision.

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