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cond-mat.mtrl-sci2026
From spin splitting to projected mass in altermagnetic Chern matter
Gyanti Prakash Moharana
Altermagnetic spin splitting alone does not define Chern matter. The relevant object is the exchange mass projected onto Hall-active surface, valley, orbital or interface sectors.…
cond-mat.mtrl-sci2026
Griffiths-like phase, spin-phonon coupling, and exchange-bias in the disordered double perovskite GdSrCoMnO
Gyanti Prakash Moharana, Diptikanta Swain, Hanuma Kumar Dara +2
We report structural, magnetic, and Raman studies of the disordered double perovskite GdSrCoMnO~(GSCM). DC magnetization shows a ferromagnetic transition at $T_{C} \approx 15…