Kilbane, D. and Cummings, A. and Heffernan, Daniel and O'Sullivan, G. (2006) Characterization of the structure and eigenvalue spectra of the compound states of Sm IX. Physica Scripta, 73 (2). pp. 198-216.

Kilbane, D. and Cummings, A. and O'Sullivan, G. and Heffernan, Daniel (2006) Quantum statistics of a kicked particle in an infinite potential well. Chaos, Solitons and Fractals, 30 (2). pp. 412-423.

Kilbane, D. and Cummings, A. and O'Sullivan, G. and Heffernan, Daniel (2006) The classical-quantum correspondence of a kicked particle in an infinite potential well. Chaos, Solitons and Fractals, 30 (2). pp. 424-440.

Cummings, A. and O'Sullivan, G. and Hanan, W.G. and Heffernan, Daniel (2001) Multifractal analysis of selected rare-earth elements. Journal of Physics B: Atomic, Molecular and Optical Physics, 34 (13). pp. 2547-2573.

Cummings, A. and O'Sullivan, G. and Heffernan, Daniel (2001) Signatures of quantum chaos in rare-earth elements: I. Characterization of the Hamiltonian matrices and coupling matrices of Ce I and Pr I using the statistical predictions of Random Matrix Theory. Journal of Physics B: Atomic, Molecular and Optical Physics, 34 (17). pp. 3407-3446.

Cummings, A. and O'Sullivan, G. and Heffernan, Daniel (2001) Signatures of quantum chaos in rare-earth elements: II. Characterization of the energy eigenvalues and dipole moments of Ce I and Pr I. Journal of Physics B: Atomic, Molecular and Optical Physics, 34 (17). pp. 3447-3477.