Quantum Physics News - SciTechDaily

Unlocking the Quantum Code: International Team Cracks a Long-Standing Physics Problem

University of Bonn — Tue, 21 May 2024 20:23:10 +0000

Wavefunction matching for solving quantum many-body problems. Strongly interacting systems are crucial in the fields of quantum physics and quantum chemistry. Monte Carlo simulations, a...

Beyond Hydrogen: Discovery of Tiny New Atom Tauonium With Massive Implications

Science China Press — Sun, 19 May 2024 22:32:41 +0000

Recent discoveries in quantum physics have revealed simpler atomic structures than hydrogen, involving pure electromagnetic interactions between particles like electrons and their antiparticles. This advancement...

Breaking Light Speed: The Quantum Tunneling Enigma

TU Darmstadt — Sat, 18 May 2024 22:18:46 +0000

In an amazing phenomenon of quantum physics known as tunneling, particles appear to move faster than the speed of light. However, physicists from Darmstadt believe...

A New Dimension of Quantum Materials: Topological Phonons Discovered in Crystal Lattices

Elhuyar Foundation — Sat, 18 May 2024 05:28:47 +0000

Researchers from an international consortium have published a groundbreaking study that advances the field of solid-state physics. An international group of researchers has found that...

Mastering Quantum Chaos: Innovative Cooling Method Stabilizes Quantum Experiments

Vienna University of Technology — Sat, 11 May 2024 23:13:31 +0000

More stable quantum experiments are made possible at TU Wien with new tricks – by ingeniously splitting Bose-Einstein condensates Quantum experiments, whether they focus on...

Bending Reality: Einstein Meets Quantum Mechanics in Antarctic Ice

Katherine Egan Bennett, University of Texas at Arlington — Sat, 11 May 2024 20:45:11 +0000

Research at the South Pole studied the mysterious quantum structure of space and time. Einstein’s theory of general relativity explains that gravity is caused by...

Quantum Entanglement Unmasked by Entanglement Witnesses

University of Science and Technology of China — Fri, 10 May 2024 23:51:13 +0000

A new method quantifies quantum entanglement using normalized entanglement witnesses, enhancing the ability to measure entanglement across different scenarios. Prof. Sixia Yu, Associate Researcher Liangliang...

Turning Quantum Noise Into a Teleportation Breakthrough

University of Turku — Wed, 08 May 2024 23:05:33 +0000

Researchers succeeded in conducting an almost perfect quantum teleportation despite the presence of noise that usually disrupts the transfer of quantum state. In teleportation, the...

Quantum Leap: How a New Experiment Could Solve Gravity’s Biggest Mystery

University of Amsterdam — Sun, 05 May 2024 15:51:11 +0000

A proposed experiment shows that quantum entanglement is not the only way to test whether gravity has a quantum nature. Gravity is part of our...

Unlocking the Secrets of the Electron Universe: Scientists Discover Path Beyond Ohm’s Law

Tohoku University — Fri, 03 May 2024 19:26:34 +0000

Researchers at Tohoku University and the Japan Atomic Energy Agency have developed fundamental experiments and theories to manipulate the geometry of the ‘electron universe,’ which...

Decades in the Making: Laser Excites Atomic Nucleus in Groundbreaking Discovery

Vienna University of Technology — Wed, 01 May 2024 10:10:55 +0000

For the first time, lasers have successfully excited the “thorium transition,” a process long pursued by researchers. This breakthrough sets the stage for groundbreaking advancements...

Quantum Tunneling Explained With 40-Year-Old Mathematical Discovery

University of Amsterdam — Tue, 30 Apr 2024 19:44:32 +0000

Researchers have successfully used 40-year-old mathematics to explain quantum tunneling, providing a unified approach to diverse quantum phenomena. Quantum mechanical effects such as radioactive decay,...

Scientists Uncover Surprising Reversal in Quantum Systems

ETH Zurich — Fri, 26 Apr 2024 19:13:59 +0000

Generally, it’s advised not to compare apples to oranges. However, in the field of topology, a branch of mathematics, this comparison is necessary. Apples and...

Beyond Theory: Dual Topological Insulating States Found in Monolayer Material

Boston College — Thu, 11 Apr 2024 05:14:10 +0000

Scientists at Boston College have identified a material known as a dual quantum spin Hall insulator, which offers a promising foundation for investigating exotic quantum...

Neutrinos Whisper Quantum Gravity Secrets From the South Pole

University of Copenhagen - Faculty of Science — Mon, 08 Apr 2024 17:12:33 +0000

University of Copenhagen team contributes to an Antarctic large-scale experiment striving to find out if gravity also exists at the quantum level; An extraordinary particle...

Electron Rhythms Expose the Heartbeat of Quantum Mechanics

Goethe University Frankfurt — Sun, 07 Apr 2024 13:22:24 +0000

Kapitza-Dirac effect used to show temporal evolution of electron waves. It was one of the biggest surprises in the history of science: In the early...

Physicists Discover a Quantum State With a New Type of Emergent Particles: Six-Flux Composite Fermions

Purdue University — Tue, 02 Apr 2024 09:36:20 +0000

If the fractional quantum Hall regime were a series of highways, these highways would have either two or four lanes. The flow of the two-flux...

Unlocking Quantum Secrets With Spin-Squeezing Atomic Entanglement

Rebecca Jacobson, NIST — Tue, 26 Mar 2024 05:59:45 +0000

Researchers have developed methods to entangle large numbers of particles, improving the precision and speed of quantum measurements. These advancements could revolutionize quantum sensors and...

Science Simplified: What Is Quantum Mechanics?

Argonne National Laboratory — Sat, 23 Mar 2024 14:49:18 +0000

What Is Quantum Mechanics? Imagine a world where objects can seem to exist in two places at once or affect each other from across the...

Quantum Breakthrough Reveals Superconductor’s Hidden Nature

Tokyo Institute of Technology — Fri, 22 Mar 2024 09:38:26 +0000

Thermoelectric effect reveals full picture of fluctuations in superconductivity. Weak fluctuations in superconductivity,[1] a precursor phenomenon to superconductivity, have been successfully detected by a research...

Princeton Scientists Discover Exotic Quantum Interference Effect in a Topological Insulator Device

Princeton University — Thu, 21 Mar 2024 15:11:03 +0000

New research expands opportunities for advancements in quantum physics and spintronics. In a novel experiment, physicists have observed long-range quantum coherence effects due to Aharonov-Bohm...

Quantum Entanglement Transforms Next-Generation Sensors

Kenna Hughes-Castleberry, JILA — Wed, 20 Mar 2024 23:45:38 +0000

Researchers have revolutionized quantum sensing with an algorithm that simplifies the assessment of Quantum Fisher Information, thereby enhancing the precision and utility of quantum sensors...

Unlocking Quantum Secrets: The Revolutionary Dance of Nanoparticles

University of Manchester — Mon, 18 Mar 2024 05:02:29 +0000

Innovative research leverages levitated optomechanics to observe quantum phenomena in larger objects, offering potential applications in quantum sensing and bridging the gap between quantum and...

Quantum Leap: How Spin Squeezing Pushes Limits of Atomic Clock Accuracy

Kenna Hughes-Castleberry, JILA — Sun, 17 Mar 2024 01:08:08 +0000

Physicists are pushing the limits of atomic clock accuracy by using spin-squeezed states, achieving groundbreaking control over quantum noise and entanglement, leading to potential leaps...