, which “improvements the relative energy in the states through the coupling of the sector to the polarization �?E �?· P → could be consulted in Appendix B in [19]. We now wish to underline the leading components of the tactic devised to get these equations. The principle purpose of https://lithium-niobate-crystal85295.alltdesign.com/lithium-niobate-crystal-an-overview-51930049