umklapp process
type: Concept
preferred label: فرایند واگرد @fa
related: phonon-phonon interaction

thermal conductivity
type: Concept
preferred label: رسانندگی گرمایی @fa
related: phonon-phonon interaction

transport process
type: Concept
preferred label: فرایند ترابرد @fa
related: phonon-phonon interaction

phonon-phonon interaction
type: Concept
alternative label: two-phonon process
broader: phonon
preferred label: برهم‌کنش فونون-فونون @fa
related: thermal conductivity
related: umklapp process
related: transport process
scope note: two-phonon process

phonon
type: Concept
narrower: phonon-phonon interaction
preferred label: فونون @fa