In a significant breakthrough, scientists have unveiled a quantum-based model system designed to unravel the mysteries of emerging materials. Led by Prof. N. S. Vidhyadhiraja from Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), researchers have embarked on a journey into the realm of quantum physics to shed light on the concept of “local quantum criticality” in specific materials. This groundbreaking study, published in Physical Review B and supported by the Science and Engineering Research Board (SERB), marks a pivotal moment in understanding the behavior of materials near quantum critical points.
Drawing inspiration from the intricate organization observed in natural phenomena such as bee colonies and bird flocks, the research team explored how environmental factors influence the collective behavior of electrons within materials. Their findings offer profound insights into the intricate dance of electrons and highlight the pivotal role of temperature and pressure in shaping material properties.
One such material under scrutiny is vanadium oxide, known for its remarkable conductivity shifts and optical property alterations in response to external stimuli. Through meticulous analysis, researchers uncovered a model system termed the “modified periodic Anderson model (MPAM),” showcasing a distinctive energy distribution pattern dubbed the “soft-gap spectrum.” This novel discovery holds immense promise in characterizing quantum criticality and deciphering the enigmatic behaviors exhibited by materials near quantum critical points.
Prof. Vidhyadhiraja underscores the significance of these findings, emphasizing their potential implications for understanding entanglement and advancing quantum computing technologies. By delving into the intricate world of quantum physics, scientists aim to unlock new frontiers in material science, paving the way for transformative advancements across various technological domains.
Sources: PIB
Publication link: https://journals.aps.org/prb/abstract/10.1103/PhysRevB.107.205104