**Author details**

Seiji Kojima Division of Materials Science, University of Tsukuba, Tsukuba, Japan

\*Address all correspondence to: kojima@ims.tsukuba.ac.jp

© 2022 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Low Energy Excitations in Borate Glass DOI: http://dx.doi.org/10.5772/intechopen.106650*
