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Superconductivity Jul 10, 2024

Physicists move one step closer to topological quantum computing

A team of experimental physicists led by the University of Cologne have shown that it is possible to create superconducting effects in special materials known for their unique edge-only electrical properties. This discovery ...

Nanophysics Jul 5, 2024

Novel 2D device for quantum cooling converts heat to voltage at ultra-low temperatures

EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of ...

Quantum Physics Jul 1, 2024

The first exponential quantum advantage for a natural streaming problem

As the hare learned from the tortoise, speed isn't everything. Theoretical computer scientists at Sandia National Laboratories and Boston University have discovered that quantum computers are unrivaled at solving an advanced ...

Nanophysics Jul 1, 2024

Can a computer chip have zero energy loss in 1.58 dimensions?

What if we could find a way to make electric currents flow, without energy loss? A promising approach for this involves using materials known as topological insulators. They are known to exist in one (wire), two (sheet) and ...

Condensed Matter Jun 25, 2024

Researchers discover new flat electronic bands, paving way for advanced quantum materials

In a study published in Nature Communications, a team of scientists led by Rice University's Qimiao Si predicts the existence of flat electronic bands at the Fermi level, a finding that could enable new forms of quantum computing ...

Optics & Photonics Jul 12, 2024

Securely propagating entanglement at the push of a button

Entanglement, Einstein's "spooky action at a distance," today is THE tool of quantum information science. It is the essential resource for quantum computers and used to transmit quantum information in a future quantum network. ...

Quantum Physics Jul 10, 2024

Researchers demonstrate how to build 'time-traveling' quantum sensors

The idea of time travel has dazzled sci-fi enthusiasts for years. Science tells us that traveling to the future is technically feasible, at least if you're willing to go near the speed of light, but going back in time is ...

Condensed Matter Jul 10, 2024

New multimode coupler design advances scalable quantum computing

Implementing a fault-tolerant quantum processor requires coupling qubits to generate entanglement. Superconducting qubits are a promising platform for quantum information processing, but scaling up to a full-scale quantum ...

General Physics Jun 27, 2024

Visual explanations of machine learning models to estimate charge states in quantum dots

A group of researchers has successfully demonstrated automatic charge state recognition in quantum dot devices using machine learning techniques, representing a significant step toward automating the preparation and tuning ...

Quantum Physics Jun 26, 2024

Understanding quantum states: New research shows importance of precise topography in solid neon qubits

Quantum computers have the potential to be revolutionary tools for their ability to perform calculations that would take classical computers many years to resolve.

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