{"component":{"type":17,"accent_color":10660273,"components":[{"type":10,"content":"-# WikiRNG · Roll of 10/21/2026 · by [hola](https://wikirng.com/u/hola)"},{"type":10,"content":"## [Empty lattice approximation](https://wikirng.com/roll/wts9iWzXK9)\n*Theoretical electronic band structure model in which the potential is periodic and weak*"},{"type":10,"content":">>> The empty lattice approximation is a theoretical electronic band structure model in which the potential is periodic and weak (close to constant). One may also consider an empty irregular lattice, in which the potential is not even periodic."},{"type":14,"divider":true,"spacing":1},{"type":10,"content":"### ⬜ Basic · 39,561 SP\n-# Bottom 47%"},{"type":14,"divider":true,"spacing":1},{"type":10,"content":"🟦 🧮 **Equation** · Obscure · +17,503 SP\n-# Has a math formula.\n🟩 🦡 **Says Who?** · Notable · +9,111 SP\n-# Has a \"who?\", \"when?\", \"which?\" or \"clarify\" tag.\n🟩 🪜 **Part of a Series** · Notable · +3,597 SP\n-# Has a series sidebar.\n🟩 🖼️ **Gallery** · Notable · +3,443 SP\n-# Has an image gallery.\n🟩 🧹 **Dusty** · Notable · +1,209 SP\n-# Not edited in 2+ years.\n⬜ 🏃 **Short Path** · Basic · +973 SP\n-# Reaches Philosophy in 10 or fewer first-link clicks.\n-# +10 more badges"},{"type":14,"divider":true,"spacing":1},{"type":1,"components":[{"type":2,"style":5,"label":"View roll","url":"https://wikirng.com/roll/wts9iWzXK9"},{"type":2,"style":5,"label":"Read on Wikipedia","url":"https://en.wikipedia.org/wiki/Empty_lattice_approximation"}]},{"type":10,"content":"-# Article text from Wikipedia, CC BY-SA 4.0"}]}}