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cond-mat.str-el2002
Polarization dependence of spin excitations in BaCu2Si2O7
A. Zheludev, S. Raymond, L. -P. Regnault +4
The polarization dependence of magnetic excitations in the quasi one-dimensional antiferromagnet BaCu2Si2O7 is studied as a function of momentum and energy transfer. The results of…
cond-mat.str-el2002
Dominance of excitation continuum in the longitudinal spectrum of weakly coupled Heisenberg S=1/2 chains
A. Zheludev, K. Kakurai, T. Masuda +2
A low-field spin flop transition in the quasi one-dimensional antiferromagnet \ba is exploited to study the polarization dependence of low-energy magnetic excitations. The measured…