3 papers
cond-mat.other2025
Exciton dynamics, Fano quantum interference and d-d excitation in the single crystal of two-dimensional antiferromagnetic Fe2P2S6
Nasaru Khan, Yuliia Shemerliuk, Sebastian Selter +3
Excitonic quasiparticle and their interactions with phonons, magnons and charge carriers may play a pivotal role in governing the optical properties and their correlation with magn…
cond-mat.other2025
Exciton dynamics and exciton-phonon coupling in bulk and thin flakes of layered van der Waals antiferromagnet NiPS
Nasaru Khan, Yuliia Shemerliuk, Sebastian Selter +3
The Zhang-Rice (ZR) singlet is an intriguing quantum state offering potential to realize a spin-orbit-entangled bosonic quasiparticle, which gives rise to the Zhang-Rice exciton. I…
cond-mat.mtrl-sci2023
Interplay of topology and antiferromagnetic order in two-dimensional van der Waals crystals of (NixFe1-x)2P2S6
N. Khan, D. Kumar, V. Kumar +6
Mermin-Wagner theorem forbid spontaneous symmetry breaking of spins in one/two-dimensional systems at finite temperature and rules out the stabilization of this ordered state. Howe…