  Motivated by a recent experiment on Cs2CuCl4, we study the spin dynamics of
the spin-liquid phase of the spin-1/2 frustrated Heisenberg antiferromagnet on
the anisotropic triangular lattice. There have been two different proposals for
the spin-liquid phase of Cs2CuCl4. These spin-liquid states support different
statistics of spinons; the bosonic Sp(N) large-N mean field theory predicts
bosonic spinons while the SU(2) slave-boson mean field theory leads to
fermionic spinons. We compute the dynamical spin structure factor for both
types of spin-liquid state at zero and finite temperatures. While at zero
temperature both theories agree with experiment on a qualitative level, they
show substantial differences in the temperature dependence of the dynamical
spin structure factor.
