New Delhi, Jan 11 (SocialNews.XYZ) An Indian researcher is aiming to explore the new and uncharted frontier of quantum materials and is working on a theoretical understanding of 'strange metals' related to high-temperature superconductors, an official statement said.
According to the Science and Technology Ministry statement, Subhro Bhattacharjee, Associate Professor at the International Centre for Theoretical Sciences, Bengaluru and recipient of the Swarnajayanti fellowship 2020-2021, is working to provide a generalised paradigm to understand the plethora of novel properties in quantum systems like collective behaviour of the many interacting electrons inside these materials dubbed electronic phases of matter.
They give rise to magnets, semiconductors and superconductors, due to subtle interplay of quantum mechanics and interaction between the electrons inside the material.
Very little is known about such phases, even though they form parent phases for some of the most novel and technologically useful forms of quantum matter.
Understanding such collective electronic behaviour forms one of the greatest challenges of our times and holds key to future technologies. In spite of its remarkable success, the current theoretical framework to describe collective electronic behaviour of such quantum materials has severe limitations and calls for fundamentally new ideas to capture the above interplay. This understanding is crucial today to harness advanced material properties based on their quantum nature.
Prof. Bhattacharjee's research helps to provide a generalised paradigm to understanding the plethora of novel electronic properties in such quantum systems. The central question pertains to developing theoretical understanding of hitherto unknown collective electronic behaviour in materials beyond simple magnets, metals/semiconductors and superconductors.
"This research will help to bridge the gap between theory and experiments of these phases and provide key insights into the non-trivial role of quantum mechanics that shapes the correlated behaviour of electrons in these strange metals," he said.
A rather bizarre phenomenon called quantum entanglement has been found to play the central role in stabilising these electronic phases of matter in many candidate materials around us. A remarkably counter-intuitive property of quantum entanglement compared to our everyday experience is its non-local nature. It is this precise aspect that allows for newer collective behaviours to emerge in electrons.
The fallouts are astonishing. It can lead to, among other things, technologically important surface metals in otherwise bulk electric insulators or help create quantum analogues of computing bits.
Bhattacharjee's earlier studies, published in Physical Review, studied various aspects of quantum materials like topological phases of matter and their excitations as well as emergent electromagnetism in granular solids. Collectively, these efforts provide new insights and a step forward towards our understanding of novel basic properties of the nature around us and provide the basis of future technologies.
Source: IANS
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