Home › Forums › setting the stage › solids as quantum systems › Answers This topic has 1 reply, 2 voices, and was last updated 2 years, 2 months ago by Ian Lateur. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts September 26, 2022 at 8:13 am #6521 WoutStoffelsParticipant A solid is a collection of atoms which are held rigidly in fixed positions due to the electromagnetic interaction. September 27, 2022 at 9:48 am #6569 Ian LateurParticipant Apparently it’s not correct to use the word ‘atom’, because there is no single atom. Also the electromagnetic interaction is quantum mechanical. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In