{"id":5334,"date":"2025-06-04T02:42:43","date_gmt":"2025-06-04T02:42:43","guid":{"rendered":"https:\/\/ynewsdaily.com\/?p=5334"},"modified":"2025-06-04T02:42:43","modified_gmt":"2025-06-04T02:42:43","slug":"graphene-exhibits-exotic-dirac-fluid-behavior-challenging-fundamental-physics-laws","status":"publish","type":"post","link":"https:\/\/ynewsdaily.com\/?p=5334","title":{"rendered":"Graphene Exhibits Exotic "Dirac Fluid" Behavior, Challenging Fundamental Physics Laws"},"content":{"rendered":"

For decades, physicists have grappled with a profound question: can electrons, the fundamental carriers of electricity, behave as a perfectly smooth, frictionless fluid, governed by a universal quantum value? Observing such an ethereal state has remained a formidable challenge. In conventional materials, the presence of even minor imperfections, such as atomic defects and impurities, invariably disrupts these delicate quantum effects, rendering them virtually imperceptible. However, a groundbreaking discovery by researchers at the Department of Physics, Indian Institute of Science (IISc), in collaboration with the National Institute for Materials Science in Japan, has finally brought this elusive quantum fluid into the realm of observable reality within graphene. Their findings, published in the prestigious journal Nature Physics<\/em>, not only illuminate a new pathway for studying quantum phenomena but also position graphene as a remarkably powerful platform for exploring effects that were previously confined to theoretical discussions.<\/p>\n

A Long-Awaited Quantum Revelation in Graphene<\/strong><\/p>\n

The quest to understand the quantum behavior of electrons has been a central theme in condensed matter physics for generations. The ideal scenario, a frictionless electron flow, represents a theoretical limit that, until now, has been largely unattainable in experimental settings. The inherent noisiness of real-world materials, with their myriad of atomic imperfections, acts as a constant impediment, scattering electrons and disrupting their collective, fluid-like motion. This persistent challenge has led scientists to search for materials with exceptional purity and unique electronic properties.<\/p>\n

Graphene, a single layer of carbon atoms arranged in a hexagonal lattice, has long been a material of intense interest due to its extraordinary electronic characteristics. Its discovery in 2004 by Andre Geim and Konstantin Novoselov, who were later awarded the Nobel Prize in Physics for their work, revolutionized materials science. Graphene’s atomically thin structure and the unique way electrons behave within it \u2013 often described as "Dirac fermions" due to their relativistic-like properties \u2013 have made it a prime candidate for investigating exotic quantum phenomena.<\/p>\n

Professor Arindam Ghosh of the Department of Physics at IISc, one of the corresponding authors of the study, expressed his ongoing fascination with the material. "It is amazing that there is so much to do on just a single layer of graphene even after 20 years of discovery," he remarked, highlighting the continued potential for groundbreaking research stemming from this seemingly simple material. This sentiment underscores the depth of scientific inquiry that graphene continues to inspire.<\/p>\n

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