Quantum Science News

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"Critical Schrödinger Cat Code" Could Revolutionize Quantum Computing

Quantum computing is a special type of computing that uses the rules of quantum physics to store and process information. It has the potential to solve complex problems that regular computers cannot handle.

29 Jun 2023

Quantum Computers Demonstrate Speedup Over Classical Computer Algorithm

Daniel Lidar, the Viterbi Professor of Engineering at USC and Director of the USC Center for Quantum Information Science & Technology, and first author Dr. Bibek Pokharel, a Research Scientist at IBM Quantum, achieved this quantum speedup advantage in the context of a "bitstring guessing game."

29 Jun 2023

New 'Superlattice' of Semiconductor Quantum Dots can Behave Like a Metal

Scientists from the RIKEN Center for Emergent Matter Science and partners have achieved the formation of a "superlattice" comprising semiconductor quantum dots, capable of mimicking metallic behavior.

29 Jun 2023

Supercomputers Used to Calculate How Heavy Quarks Interact With Quark-Gluon Plasma

Using some of the world's most powerful supercomputers, a group of theorists has produced a major advance in the field of nuclear physics—a calculation of the "heavy quark diffusion coefficient."

29 Jun 2023

Breakthrough Boosts Quantum AI

A groundbreaking theoretical proof shows that a technique called overparametrization enhances performance in quantum machine learning for applications that stymie classical computers.

28 Jun 2023

Detecting a New Carbon Compound in Space Using the Webb

To detect the existence of a new carbon compound in space for the first time, a team of international scientists has made use of NASA’s James Webb Space Telescope.

27 Jun 2023

Gaining Better Insights into the Nature and Potential Interactions of Dark Matter

Is it possible for dark matter to interact with photons and impact the atomic structure? A case for optical atomic clocks: Two different kinds of such clocks were made at the Physikalisch-Technische Bundesanstalt (PTB) inside the scope of the Collaborative Research Center DQ-mat and the Cluster of Excellence QuantumFrontiers.

26 Jun 2023

CityU Physicist Develops a Novel Quantum Theory of Light-Induced Matter, Opening the Door to Cutting-Edge Optical Technologies

A team led by a physicist from City University of Hong Kong (CityU) recently developed a new quantum theory that explains the “light-induced phase” of matter and predicts its novel functionalities.

26 Jun 2023

New Technique to Look for the Elusive Majorana Particles

An alternative method to seek the elusive Majorana particles was conceived in a theoretical manner around 15 years ago.

23 Jun 2023

Analyzing X-Ray Polarization Proof for a 200-Year-Old Flare of Sgr A

An international research group has found that Sagittarius A (Sgr A), known to be the supermassive black hole present at the center of the Milky Way, arose from a long period of dormancy about 20 decades ago.

22 Jun 2023

Atomic-Scale Engineering of Electron–Phonon Coupling Strength in Strontium Ruthenate

Electrons inside crystals interact closely with phonons, defined as the discrete unit of crystal vibrations. The electron–phonon coupling strength is an important fundamental physical quantity in solid state physics, determining electrodynamic behaviors and correlated functionalities of a material.

22 Jun 2023