Analytical Model (image) Hiroshima University Share Print E-Mail Caption (a) This is a one-dimensional chain where atoms are connected by springs with the same force constant. (b) This is a one-dimensional chain where n atomic pairs connected by a strong spring are connected by weak springs. Credit M. Inui, Graduate School of Integrated Arts and Sciences, Hiroshima University, et al. Usage Restrictions This image may only be used with appropriate caption and credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.