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Scientists demonstrate unconditional exponential quantum scaling advantage using two 127-qubit computers

https://phys.org/news/2025-06-scientists-unconditional-exponential-quantum-scaling.html

Published: June 20, 2025 12:29

Quantum computers have the potential to speed up computation, help design new medicines, break codes, and discover exotic new materials—but that's only when they are truly functional.

Rewriting a century-old physics law on thermal radiation to unlock the potential of energy, sensing and more

https://phys.org/news/2025-06-rewriting-century-physics-law-thermal.html

Published: June 20, 2025 11:03

A research team from Penn State has broken a 165-year-old law of thermal radiation with unprecedented strength, setting the stage for more efficient energy harvesting, heat transfer and infrared sensing.

Magically reducing errors in quantum computers: Researchers invent technique to decrease overhead

https://phys.org/news/2025-06-magically-errors-quantum-technique-decrease.html

Published: June 20, 2025 10:51

For decades, quantum computers that perform calculations millions of times faster than conventional computers have remained a tantalizing yet distant goal. However, a new breakthrough in quantum physics may have just sped up the timeline.

Phonon-mediated heat transport across materials visualized at the atomic level

https://phys.org/news/2025-06-phonon-materials-visualized-atomic.html

Published: June 20, 2025 10:46

Gao Peng's research group at the International Center for Quantum Materials, School of Physics, Peking University, has developed a breakthrough method for visualizing interfacial phonon transport with sub-nanometer resolution. Leveraging fast electron…

Study offers new insights into first-principles calculations of hadron structure

https://phys.org/news/2025-06-insights-principles-hadron.html

Published: June 20, 2025 10:14

Researchers from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS), together with collaborators from the Instituto Tecnológico de Aeronáutica in Brazil and Iowa State University, have theoretically explored the influence…

True single-photon source boosts secure key rates in quantum key distribution systems

https://phys.org/news/2025-06-true-photon-source-boosts-key.html

Published: June 20, 2025 06:30

Quantum key distribution (QKD), a cryptographic technique rooted in quantum physics principles, has shown significant potential for enhancing the security of communications. This technique enables the transmission of encryption keys using quantum states of…

Intercellular fluid flow, not just cell structure, governs how tissues respond to physical forces

https://phys.org/news/2025-06-intercellular-fluid-cell-tissues-physical.html

Published: June 20, 2025 05:00

Water makes up around 60% of the human body. More than half of this water sloshes around inside the cells that make up organs and tissues. Much of the remaining water flows in the nooks and crannies between cells, much like seawater between grains of sand.

Ultralow loss optical microresonators pave way for miniaturized, tunable photonic systems

https://phys.org/news/2025-06-ultralow-loss-optical-microresonators-pave.html

Published: June 19, 2025 12:30

Aston University researchers have developed a new class of optical microresonators, miniature optical devices that strongly confine and enhance light in microscopic dimensions. They are essential components in a wide range of systems, including…

Permanent magnet configurations outperform classical arrangement to deliver strong and homogeneous fields

https://phys.org/news/2025-06-permanent-magnet-configurations-outperform-classical.html

Published: June 19, 2025 10:31

Physicists Prof. Dr. Ingo Rehberg from the University of Bayreuth and Dr. Peter Blümler from Johannes Gutenberg University Mainz have developed and experimentally validated an innovative approach for generating homogeneous magnetic fields using permanent…

From spin glasses to quantum codes: Researchers develop optimal error correction algorithm

https://phys.org/news/2025-06-glasses-quantum-codes-optimal-error.html

Published: June 19, 2025 10:20

Scientists have developed an exact approach to a key quantum error correction problem once believed to be unsolvable, and have shown that what appeared to be hardware-related errors may in fact be due to suboptimal decoding.

Multicore fiber testbed demonstrates precise optical clock signal transmission over 25 km

https://phys.org/news/2025-06-multicore-fiber-testbed-precise-optical.html

Published: June 19, 2025 10:00

Researchers have shown, for the first time, that transmission of ultrastable optical signals from optical clocks across tens of kilometers of deployed multicore fiber is compatible with simultaneous transmission of telecommunications data.

Scientists propose blueprint for 'universal translator' in quantum networks

https://phys.org/news/2025-06-scientists-blueprint-universal-quantum-networks.html

Published: June 19, 2025 09:25

UBC researchers are proposing a solution to a key hurdle in quantum networking: a device that can "translate" microwave to optical signals and vice versa.

Highly charged muonic ions observed in gas-phase experiment for first time

https://phys.org/news/2025-06-highly-muonic-ions-gas-phase.html

Published: June 19, 2025 09:03

An international team of researchers, including members from the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), has directly observed "highly charged muonic ions," a completely new class of exotic atomic systems, in a…

Improved thermoelectrics: Scientists harness 'traffic jam of electrons' to boost heat-to-electricity conversion

https://phys.org/news/2025-06-thermoelectrics-scientists-harness-traffic-electrons.html

Published: June 18, 2025 15:46

Electricity can be easily converted into heat—every electric cooker does it. But is the opposite also possible? Can heat be converted into electricity—directly, without a steam turbine or similar detours?

Expanding the border of superheavy nuclei—new seaborgium isotope discovered

https://phys.org/news/2025-06-border-superheavy-nuclei-seaborgium-isotope.html

Published: June 18, 2025 13:33

An international research team led by GSI/FAIR, Johannes Gutenberg University Mainz (JGU) and Helmholtz Institute Mainz (HIM) has succeeded in the production of a new seaborgium isotope. In the experiment conducted at the GSI/FAIR accelerator facilities,…

5D model accurately predicts nuclear fission in elements beyond uranium and plutonium

https://phys.org/news/2025-06-5d-accurately-nuclear-fission-elements.html

Published: June 18, 2025 13:13

A five-dimensional (5D) Langevin approach developed by an international team of researchers, including members from Science Tokyo, accurately reproduces complex fission fragment distributions and kinetic energies in medium-mass mercury isotopes (180Hg and…

Improved laser frequency stabilization achieved with unprecedented long optical reference cavity

https://phys.org/news/2025-06-laser-frequency-stabilization-unprecedented-optical.html

Published: June 18, 2025 11:34

Scientists at NPL recently published findings on laser frequency stabilization, demonstrating an unprecedented level of performance using an optical reference cavity. This advancement features a beyond state-of-the-art optical storage time and a novel…

Light-based computing with optical fibers shows potential for ultra-fast AI systems

https://phys.org/news/2025-06-based-optical-fibers-potential-ultra.html

Published: June 18, 2025 11:33

Imagine a computer that does not rely only on electronics but uses light to perform tasks faster and more efficiently. A collaboration between two research teams from Tampere University in Finland and Université Marie et Louis Pasteur in France have now…

Message in a bubble: Physics enables encoding of messages in ice

https://phys.org/news/2025-06-message-physics-enables-encoding-messages.html

Published: June 18, 2025 11:00

Inspired by naturally occurring air bubbles in glaciers, researchers have developed a method to encode messages in ice.

Scientists harness vacuum fluctuations to engineer quantum materials

https://phys.org/news/2025-06-scientists-harness-vacuum-fluctuations-quantum.html

Published: June 18, 2025 09:58

Vacuum is often thought of as empty, but in fact it is teeming with fleeting energy fluctuations—virtual photons popping in and out of existence that can interact with matter, giving rise to new, potentially useful properties.

Atom tweezer arrays reveal how phase transitions unfold in mesoscopic systems

https://phys.org/news/2025-06-atom-tweezer-arrays-reveal-phase.html

Published: June 18, 2025 07:00

As the number of particles in a physical system increases, its properties can change and different phase transitions (i.e., shifts into different phases of matter) can take place. Microscopic systems (i.e., containing only a few particles) and macroscopic…

Scientists uncover magnetic-field control of ultrafast spin dynamics in 2D ferromagnets

https://phys.org/news/2025-06-scientists-uncover-magnetic-field-ultrafast.html

Published: June 17, 2025 15:05

A research team led by Prof. Sheng Zhigao from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, in collaboration with Prof. A.V. Kimel from Radboud University, has demonstrated that strong magnetic fields can effectively…

Next leap in mode-locked lasers: Tunable pulse duration in ultranarrow bandwidth

https://phys.org/news/2025-06-mode-lasers-tunable-pulse-duration.html

Published: June 17, 2025 14:57

Lasers have widespread applications as a light source in a variety of fields, including manufacturing, medicine, high-speed communications, electronics, and scientific research.

Physicists use 3D-printed spines to sculpt water surface through surface tension

https://phys.org/news/2025-06-physicists-3d-spines-sculpt-surface.html

Published: June 17, 2025 14:20

Physicists at the University of Liège have succeeded in sculpting the surface of water by exploiting surface tension. Using 3D printing of closely spaced spines, they have combined menisci to create programmed liquid reliefs, capable of guiding particles…

Dramatic stretch in quantum materials confirms 100-year-old prediction

https://phys.org/news/2025-06-quantum-materials-year.html

Published: June 17, 2025 13:52

Research from the University of St Andrews has set a new benchmark for the precision with which researchers can explore fundamental physics in quantum materials. The work has implications extending from materials science to advanced computing, as well as…

Physicists validate ratio method for studying halo nuclei

https://phys.org/news/2025-06-physicists-validate-ratio-method-halo.html

Published: June 17, 2025 11:24

Theories must stand up to practical testing, and this is especially true in physics. Researchers from Johannes Gutenberg University Mainz (JGU), Texas A&M University, Brookhaven National Laboratory, the University of Surrey in the U.K. and Michigan State…

Thermodynamics revisited: Study solves 120-year-old problem and corrects one of Einstein's ideas

https://phys.org/news/2025-06-thermodynamics-revisited-year-problem-einstein.html

Published: June 17, 2025 11:24

Nernst's theorem—a general experimental observation presented in 1905 that entropy exchanges tend to zero when the temperature tends to zero—has been directly linked to the second principle of thermodynamics in a paper published in The European Physical…

New method enables scientists to surpass the resolution limit of fluorescence microscopy

https://phys.org/news/2025-06-method-enables-scientists-surpass-resolution.html

Published: June 17, 2025 04:16

Imagine you're sitting at a pond, listening to the din of croaking frogs. You want to know how many frogs are in the pond, but you can't pick out the individual croaks—only the combined sound rising and falling in volume as frogs start and stop…

Magnetoelectric deflection: Steering magnetic textures with electric fields shows promise for energy-efficient control

https://phys.org/news/2025-06-magnetoelectric-deflection-magnetic-textures-electric.html

Published: June 16, 2025 13:09

Researchers at Paul Scherrer Institute PSI have demonstrated an innovative method to control magnetism in materials using an energy-efficient electric field. The discovery focuses on materials known as magnetoelectrics, which offer promise for…

Movement in an entangled cluster of worms: How active polymer chains can self-organize into solid-like clusters

https://phys.org/news/2025-06-movement-entangled-cluster-worms-polymer.html

Published: June 16, 2025 12:51

Earthworms often form a cluster, from which they can barely free themselves. A similarly active, writhing structure forms when the tentacles of lion's mane jellyfish become entangled. Robotic grippers utilize this principle by using multiple synthetic…

Better basketball through theoretical physics

https://phys.org/news/2025-06-basketball-theoretical-physics.html

Published: June 16, 2025 12:40

A Cornell research team has employed a variation of a theory first used to predict the collective actions of electrons in quantum mechanical systems to a much taller, human system—the National Basketball Association.

Ultra-thin metallic oxide reveals unexpected magnetic behavior for spintronic applications

https://phys.org/news/2025-06-ultra-thin-metallic-oxide-reveals.html

Published: June 16, 2025 12:37

In a new study, researchers at the University of Minnesota Twin Cities discovered surprising magnetic behavior in one of the thinnest metallic oxide materials ever made. This could pave the way for the next generation of faster and smarter spintronic and…

New nano-based filter for infrared light promises cheap, robust spectrometers

https://phys.org/news/2025-06-nano-based-filter-infrared-cheap.html

Published: June 16, 2025 12:27

A new filter for infrared light could see scanning and screening technology tumble in price and size. Built on nanotechnology, the new heat-tunable filter promises hand-held, robust technology to replace current desktop infrared spectroscopy setups that…

What is uranium enrichment and how is it used for nuclear bombs? A scientist explains

https://phys.org/news/2025-06-uranium-enrichment-nuclear-scientist.html

Published: June 16, 2025 10:20

Late last week, Israel targeted three of Iran's key nuclear facilities—Natanz, Isfahan and Fordow, killing several Iranian nuclear scientists. The facilities are heavily fortified and largely underground, and there are conflicting reports of how much…

Universal framework enables custom 3D point spread functions for advanced imaging

https://phys.org/news/2025-06-universal-framework-enables-custom-3d.html

Published: June 15, 2025 11:40

Engineers at the UCLA Samueli School of Engineering have introduced a universal framework for point spread function (PSF) engineering, enabling the synthesis of arbitrary, spatially varying 3D PSFs using diffractive optical processors. The research is…