Home › Forums › setting the stage › solids as quantum systems › Definition of Solid This topic has 0 replies, 1 voice, and was last updated 1 year, 3 months ago by Arvind M. Viewing 1 post (of 1 total) Author Posts October 3, 2023 at 6:41 pm #9282 Arvind MParticipant Solid is a state of matter with a periodic arrangement of atoms within its unit cell. 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