Home › Forums › setting the stage › solids as quantum systems › Definition Solid This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by Ruben Quiroz. Viewing 1 post (of 1 total) Author Posts October 9, 2022 at 6:52 pm #7037 Ruben QuirozParticipant A solid is a stable configuration of atoms which can reasonably be described by some macroscopic properties. For example Young’s Modulus, Index of Refraction; Density etc Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In