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Study of effective coupling between charge degrees of freedom in low dimensional hole-doped quantum antiferromagnets
Suraka Bhattacharjee, Ranjan Chaudhury
Expressions for generalized charge stiffness constant at zero temperature are derived corresponding to low dimensional hole doped quantum antiferromagnets, describable by the t-J-l…
Effective interaction in a non-Fermi liquid conductor and spin correlations in under-doped cuprates
Suraka Bhattacharjee, Ranjan Chaudhury
The effective interaction between the itinerant spin degrees of freedom in the paramagnetic phases of hole doped quantum Heisenberg antiferromagnets is investigated theoretically,…
Dynamical Response of Single Bi-layer Spin Model : A Theoretical Analysis
R. Chaudhury, F. Demmel, T. Chatterji
The spin dynamics of a single bi-layer ferromagnetic model, as proposed for a manganite system as an approximate minimal model, is studied both below…
Spin Dynamics of Layered Triangular Antiferromagnets with Uniaxial Anisotropy
Ranjan Chaudhury
The spin dynamics of the semiclassical Heisenberg model with uniaxial anisotropy, on the layered triangular lattice with antiferromagnetic coupling for both intralayer nearest neig…