%0 Journal Article %T Quasi-Exactly Solvable Jacobi Elliptic Potential %A Ancilla Nininahazwe %J Open Journal of Microphysics %P 21-33 %@ 2162-2469 %D 2020 %I Scientific Research Publishing %R 10.4236/ojm.2020.103003 %X A new example of 2กม2 -matrix quasi-exactly solvable (QES) Hamiltonian which is associated to a Jacobi elliptic potential is constructed. We compute algebraically three necessary and sufficient conditions with the QES analytic method for the Jacobi Hamiltonian to have a finite dimensional invariant vector space. The matrix Jacobi Hamiltonian is called quasi-exactly solvable. %K Jacobi Elliptic Potential %K QES Analytic Method %K Three QES Conditions %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=101583