Figure 1. Dynamic structure factor.
(a) S(Q, E) of 4He at T=1.83 K, (b) at T=2.85 K and (c) the difference, ΔS(Q, E)=S(Q, E, T=1.83 K)−S(Q, E, T=2.85 K), determined by inelastic pulsed neutron scattering. The unit is 1 meV–1.
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