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The effects of the spin-orbit and the tensor parts of the instanton-inducedinteraction on the excited nonstrange baryons up to $N$=2 and on thetwo-nucleon systems are investigated. The spin-orbit force from theinstanton-induced interaction cancels most of that from the one-gluon exchangein the excited baryons while the spin-orbit force in the nucleon systemsremains strong after the inclusion of the instanton-induced interaction. Themodel including the spin-orbit and the tensor terms of the instanton-inducedinteraction as well as the one-gluon exchange is found to reproducesuccessfully the excited baryon mass spectrum and the scattering phase shiftsof two nucleons in the spin-triplet relative $P$-wave state.Comment: 26 pages, LaTeX, 3 uuencoded figure

Effects of instantons on the excited baryons and two-nucleon systems