Browsing by Author "Rani, Luxmi"
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Characteristic temperatures of a triplon system of dimerized quantum magnets
Rakhimov, Abdulla; Nishonov, M.; Rani, Luxmi; Tanatar, Bilal (World Scientific Publishing Co. Pte. Ltd., 2021)Exploiting the analogy between ultracold atomic gases and the system of triplons, we study magneto-thermodynamic properties of dimerized quantum magnets in the framework of Bose–Einstein condensation (BEC). Particularly, ... -
Nonequilibrium electron relaxation in graphene
Rani, Luxmi; Bhalla, P.; Singh, N. (World Scientific Publishing, 2019)We apply memory function formalism to investigate nonequilibrium electron relaxation in graphene. Within the premises of two-temperature model (TTM), explicit expressions of the imaginary part of the memory function or ... -
A novel effect of Electron Spin Resonance on electrical resistivity
Singh, N.; Rani, Luxmi (Elsevier, 2018)We extend the well known phenomenon of magnetoresistance (extra resistivity of materials in transverse magnetic field) to a regime where in addition to a transverse magnetic field, a transverse microwave field of resonant ... -
Spin-gapped magnets with weak anisotropies I: Constraints on the phase of the condensate wave function
Rakhimov, Abdulla; Khudoyberdiev, A.; Rani, Luxmi; Tanatar, Bilal (Elsevier, 2020-11-27)We study the thermodynamic properties of dimerized spin-gapped quantum magnets with and without exchange anisotropy (EA) and Dzyaloshinsky and Moriya (DM) anisotropies within the mean-field approximation (MFA). For this ...