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cond-mat.mes-hall2025
Field-Tunable Quantum Metric in Few-Layer Phosphorene
Md Afsar Reja, Arka Bandyopadhyay, Awadhesh Narayan
The quantum metric -- which quantifies the distance between quantum states -- is a fundamental component of the quantum geometric tensor, playing a crucial role in a wide range of…
cond-mat.mtrl-sci2025★ 4 cited
Unlocking Doping Effects on Altermagnetism in MnTe: Emergence of Quasi-altermagnetism
Nayana Devaraj, Anumita Bose, Arindom Das +4
Governed by specific symmetries, altermagnetism is an emerging field in condensed matter physics, characterized by unique spin-splitting of the bands in the momentum space co-exist…
cond-mat.mes-hall2025★ 5 cited
Néel vector controlled exceptional contours in -wave magnet-ferromagnet junctions
Md Afsar Reja, Awadhesh Narayan
Non-Hermitian systems can host exceptional degeneracies where not only the eigenvalues, but also the corresponding eigenvectors coalesce. Recently, -wave magnets have been intro…