DW = exp(−q²⟨u²⟩/6); Bloch ⟨u²⟩ = 3ℏ/(2Mω)·coth(ℏω/2kT); ZP ⟨u²⟩_zp = 3ℏ/(2Mω)

Layer 1 — Physicsin the x-ray-physics subtree

Sympy-exact symbolic witness of the Debye-Waller thermal factor and the Bloch formula for the Einstein-model mean-square displacement. Setup: q, u², kB, T, M, ω, ℏ sp-symbols positive. Debye-Waller factor (characteristic function of…

Related concepts

Debye–Waller factor e^{−q²⟨u²⟩/6}; characteristic-function of Gaussian displacement

Explore DW = exp(−q²⟨u²⟩/6); Bloch ⟨u²⟩ = 3ℏ/(2Mω)·coth(ℏω/2kT); ZP ⟨u²⟩_zp = 3ℏ/(2Mω) on the interactive knowledge graph →