Home › Forums › setting the stage › solids as quantum systems › Solid This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by noorultaqi. Viewing 1 post (of 1 total) Author Posts October 15, 2022 at 9:04 am #7209 noorultaqiParticipant A solid is a quantum system, which repeat itself without any change. 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