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We investigate the zero-frequency shot noise of electronic tunneling througha single quantum dot (SQD) and coherently coupled quantum dots (CQD) takinginto account the Coulomb interaction. Within Hartree-Fock approximation, theanalytical expressions of current and zero-frequency shot noise areself-consistently derived in the framework of full counting statistics for theboth systems. We demonstrate that the correction term of zero-frequency shotnoise induced by the intradot Coulomb interaction is almost negligible comparedto the noninteracting shot noise in a SQD, while in a CQD the interplay of theinterdot coherence fluctuations and strong interdot Coulomb interaction caninduce a super-Poissonian noise even in the symmetric case.

Full Counting Statistics of Electron Tunneling through Coherently Coupled Quantum Dots: Exchange Interaction Effect on Shot Noise