Scientists discover hidden geometry that bends electrons like gravity
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Science News from research organizations Scientists discover hidden geometry that bends electrons like gravity A hidden quantum geometry that bends electrons like gravity bends light has finally been observed—and it could transform the future of electronics. Date: February 1, 2026 Source: Université de Genève Summary: Researchers have discovered a hidden quantum geometry inside materials that subtly steers electrons, echoing how gravity warps light in space. Once thought to exist only on paper, this effect has now been observed experimentally in a popular quantum material. The finding reveals a new way to understand and control how materials conduct electricity and interact with light. It could help power future ultra-fast electronics and quantum technologies. Share: Facebook Twitter Pinterest LinkedIN Email FULL STORY Scientists have uncovered a hidden geometric feature inside quantum materials that bends the paths of electrons much like gravity bends light. Credit: Shutterstock How can information move at incredible speeds, or electricity flow without wasting energy? Answering these questions has pushed scientists and technology companies toward quantum materials, whose behavior is governed by physics at the smallest scales. Building these advanced materials depends on understanding how atoms and electrons behave, an area where many mysteries remain. Now, researchers from the University of Geneva (UNIGE), working with colleagues at the University of Salerno and the CNR-SPIN Institute (Italy), have made a significant breakthrough. They identified a previously unseen geometric feature inside a quantum material that alters how electrons move, in a way similar to how gravity bends light. The findings, published in Science, point to new possibilities for next-generation quantum electronics.
Why Quantum Materials Matter Modern technologies rely on materials with extraordinary performance, many of which arise from quantum physics. This field focuses on matter at microscopic scales, where particles behave in surprising ways. Over the past century, research into atoms, electrons, and photons led to the invention of transistors and the foundation of today's computers. Even now, scientists continue to uncover quantum effects that challenge established theories. Recent research suggests that when huge numbers of particles interact inside certain materials, a kind of internal geometry can emerge. This structure can redirect electron motion, closely resembling how Einstein's theory of gravity describes the bending of light.
From Mathematical Idea to Measured Reality This internal structure is known as the quantum metric. It describes the curvature of the quantum space through which electrons travel and influences many microscopic properties of materials. Despite its importance, proving its existence experimentally has been extremely difficult. ''The concept of quantum metric dates back about 20 years, but for a long time it was regarded purely as a theoretical construct. Only in recent years have scientists begun to explore its tangible effects on the properties of matter,'' explains Andrea Caviglia, full professor and director of the Department of Quantum Matter Physics at the UNIGE Faculty of Science. Detecting a Hidden Geometry in Quantum Materials In the new study, the research team led by UNIGE, together with Carmine Ortix, associate professor in the Department of Physics at the University of Salerno, detected the quantum metric at the boundary between two oxide materials, strontium titanate and lanthanum aluminate. This interface is already known as a powerful platform for studying quantum behavior. ''Its presence can be revealed by observing how electron trajectories are distorted under the combined influence of quantum metric and intense magnetic fields applied to solids,'' explains Giacomo Sala, research associate in the Department of Quantum Matter Physics at the UNIGE Faculty of Science and lead author of the study. Implications for Future Technologies Being able to observe this effect allows scientists to measure a material's optical, electronic, and transport properties more accurately.
The team also found that the quantum metric is a fundamental characteristic of many materials, rather than a rare exception as previously believed. ''These discoveries open up new avenues for exploring and harnessing quantum geometry in a wide range of materials, with major implications for future electronics operating at terahertz frequencies (a trillion hertz), as well as for superconductivity and light-matter interactions,'' concludes Andrea Caviglia. RELATED TOPICS Matter & Energy Spintronics Physics Albert Einstein Chemistry Computers & Math Spintronics Research Mathematics Math Puzzles Virtual Reality RELATED TERMS Solar power Introduction to quantum mechanics Quantum computer Quantum entanglement Electrical engineering Hyperbolic geometry Nanoparticle Electricity generation Story Source: Materials provided by Université de Genève. Note: Content may be edited for style and length. Journal Reference: Giacomo Sala, Maria Teresa Mercaldo, Klevis Domi, Stefano Gariglio, Mario Cuoco, Carmine Ortix, Andrea D. Caviglia. The quantum metric of electrons with spin-momentum locking. Science, 2025; 389 (6762): 822 DOI: 10.1126/science.adq3255 Cite This Page: MLA APA Chicago Université de Genève. "Scientists discover hidden geometry that bends electrons like gravity." ScienceDaily. ScienceDaily, 1 February 2026. . Université de Genève. (2026, February 1). Scientists discover hidden geometry that bends electrons like gravity. ScienceDaily. Retrieved February 1, 2026 from www.sciencedaily.com/releases/2026/01/260131084616.htm Université de Genève. "Scientists discover hidden geometry that bends electrons like gravity." ScienceDaily. www.sciencedaily.com/releases/2026/01/260131084616.htm (accessed February 1, 2026). Explore More from ScienceDaily RELATED STORIES Physicists Found a Way to See Heat in Empty Space Dec. 16, 2025 Physicists have found a clever way to detect the elusive Unruh effect without extreme accelerations. By using atoms that emit light cooperatively between mirrors, acceleration subtly shifts when a ...
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