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cond-mat.str-el2026
Raman Spectroscopic Investigation of Kitaev Quantum Spin Liquids
Vivek Kumar, Pradeep Kumar
Quantum spin liquids, a highly topologically entangled, dynamically correlated state where quantum fluctuations preclude any long-range ordering down to absolute zero. In the searc…
cond-mat.str-el2025
Hidden Quantum State and Signature of Mott Transition in Two-dimensional 1T-TaS2
Vivek Kumar, Birender Singh, Pradeep Kumar
Here we report a comprehensive inelastic light scattering studies on 1T-TaS2 with different thickness. This compound is well known for its rich charge density wave phases. Along wi…
cond-mat.str-el2024
Surface phonons and possible structural phase transition in a topological semimetal PbTaSe2
Vivek Kumar, Pradeep Kumar
Topological insulators are a novel class of quantum materials characterized by protected gapless surface or edge states but insulating bulk states which is due to presence of spin-…