Gordon A. Gallup
Professor, Emeritus
e-mail: ggallup1@unl.edu
Office: Behlen SB57
Phone: (402) 472-1230

Research Interests: Applications of symmetric groups to elucidation of spin states of multifermion systems; elastic and inelastic electron scattering from and dissociative attachment in polyatomic molecules; scattering of polarized electrons from chiral molecules.

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2012

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Electron attachment to molecules in a cluster environment, Ilya I. Fabrikant, S. Caprasecca, Gordon A. Gallup, and J. D. Gorfinkiel

2010

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Semiclassical complex-time method for tunneling ionization: Molecular suppression and orientational dependence, Gordon A. Gallup and Ilya I. Fabrikant

2009

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Semiclassical Propagation Method for Tunneling Ionization, Ilya I. Fabrikant and Gordon A. Gallup

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Scattering and bound-state solutions to the wave equation for one electron in the presence of a physical dipole, Gordon A. Gallup

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Electron-Induced Bond Breaking at Low Energies in HCOOH and Glycine: The Role of Very Short-Lived σ* Anion States, Gordon A. Gallup, Paul Burrow, and Ilya I. Fabrikant

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Reply to “Comment on ‘Electron-induced bond breaking at low energies in HCOOH and glycine: The role of very short-lived σ anion states’ ”, Gordon A. Gallup, Paul Burrow, and Ilya I. Fabrikant

2007

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Errors in the application of the JWKB method to calculating the survival factor in dissociative electron attachment using the local complex potential, Gordon A. Gallup

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Resonances and threshold effects in low-energy electron collisions with methyl halides, Gordon A. Gallup and Ilya I. Fabrikant

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Total dissociative electron attachment cross sections of selected amino acids, A.M. Scheer, P. Mozejko, Gordon A. Gallup, and Paul Burrow

2006

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Remote bond breaking by interacting temporary anion states, Paul Burrow and Gordon A. Gallup

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Vibrational Feshbach resonances in uracil and thymine, Paul Burrow, Gordon A. Gallup, Adam M. Scheer, G. Denifl, S. Ptasinska, T. Märk, and P. Scheier

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Angular Momentum Partitioning in the Dissociation of Diatomic Molecules, Timothy J. Gay, J. D. Bozek, J. E. Furst, Gordon A. Gallup, A. S. Green, A. L. D. Kilcoyne, J. R. Machacek, J. W. Maseberg, K. W. McLaughlin, and Mark A. Rosenberry

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An investigation of electron helicity density in bromocamphor and dibromocamphor as a source of electron circular dichroism, A.M. Scheer, Gordon A. Gallup, and Timothy J. Gay

2005

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Complex energy shift and background phase shift for simulated electron-molecular shape resonances, Gordon A. Gallup

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Dissociative electron attachment to uracil deuterated at the N1 and N3 positions, A. M. Scheer, C. Silvernail, John A. Belot Jr., Gordon A. Gallup, and Paul Burrow

2004

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Orientation and bonding of biphenyldimethyldithiol, A. N. Caruso, R. Rajesh, Gordon A. Gallup, Jody G. Redepenning, and Peter A. Dowben

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The structures of c-C4F8 and c-C4F8¯ and the adiabatic electron affinity of c-C4F8, Gordon A. Gallup

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Spin-Exchange-Induced Circularly Polarized Molecular Fluorescence, A.S. Green, Gordon A. Gallup, Mark A. Rosenberry, and Timothy J. Gay

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Bond Breaking and Temporary Anion States in Uracil and Halouracils: Implications for the DNA Bases, Adam M. Scheer, Kayvan Aflatooni, Gordon A. Gallup, and Paul Burrow

2003

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Dissociative electron attachment near threshold, thermal attachment rates, and vertical attachment energies of chloroalkanes, Gordon A. Gallup, Kayvan Aflatooni, and Paul Burrow

2002

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A Short History of Valence Bond Theory, Gordon A. Gallup

2001

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Temporary anion states of selected amino acids, Kayvan Aflatooni, B. Hitt, Gordon A. Gallup, and Paul Burrow

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Quantum-Mechanical Analysis of a Longitudinal Stern-Gerlach Effect, Gordon A. Gallup, Herman Batelaan, and Timothy J. Gay

2000

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Comparative studies of dissociative electron attachment to methyl halides, R. S. Wilde, Gordon A. Gallup, and Ilya I. Fabrikant

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Dissociative electron attachment to vibrationally and rotationally excited H2 and HF molecules, Yinfan Xu, Gordon A. Gallup, and Ilya I. Fabrikant

1999

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Semiempirical R-matrix theory of low energy electron–CF3Cl inelastic scattering, R. S. Wilde, Gordon A. Gallup, and Ilya I. Fabrikant

1998

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Nonlocal theory of dissociative electron attachment to H2 and HF molecules, Gordon A. Gallup, Y. [Yuanguang] Xu, and Ilya I. Fabrikant

1996

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Low energy electron scattering from CH3Cl, X. Shi, V.K. Chan, Gordon A. Gallup, and Paul Burrow

1995

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Dissociative attachment in hot CH3Cl: Experiment and theory, D.M. Pearl, Paul Burrow, Ilya I. Fabrikant, and Gordon A. Gallup

1993

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Symmetry selection rules for vibrational excitation by resonant electron impact and a unified treatment of vibronic coupling between resonances and to the continuum: A complete symmetry analysis of vibrational excitation in benzene, Gordon A. Gallup

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H+-H- coincidences from the three-body dissociation of excited H3+, Orhan Yenen, D. Calabrese, L.M. Wiese, Duane H. Jaecks, and Gordon A. Gallup

1990

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The relationship of the virtual orbitals of self-consistent-field theory to temporary negative ions in electron scattering from molecules, Donghai Chen and Gordon A. Gallup

1989

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Low-lying negative-ion states of calcium, A.R. Johnston, Gordon A. Gallup, and Paul Burrow

1987

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Nonorthogonal configuration-interaction calculations of molecular states: The low-lying molecular states of ArHsup+ and two-electron charge exchange in Ar-H+ collisions, Gordon A. Gallup

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The breakdown of Hund's rule in systems of fourfold symmetry, Gordon A. Gallup

1986

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Comment on ‘‘Valence-bond theory and the evaluation of electronic energy matrix elements between nonorthogonal Slater determinants’’, Gordon A. Gallup

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Selection rules for vibrational energy loss by resonant electron impact in polyatomic molecules, Gordon A. Gallup

1985

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A variation-perturbation method for atomic and molecular interactions. II. The interaction potential and van der Waals molecule for Ne–HF, Gordon A. Gallup and J. Gerratt

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A variation-perturbation method for atomic and molecular interactions. I. Theory, Gordon A. Gallup and J. Gerratt

1980

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Very-long-lived metastable vibrational states of Ba2++ , Stanley J. Sramek, J.A. Macek, and Gordon A. Gallup

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Computed cross sections for electron transfer in Ba+ + Ba+ collisions , Stanley J. Sramek, J.H. Macek, and Gordon A. Gallup

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Theoretical potential curves for excited states of ArH and the rate of collisional quenching of metastable Ar by H, R.L. Vance and Gordon A. Gallup

1978

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Representation of ab initio energy surfaces by analytic functions, R.L. Vance and Gordon A. Gallup

1977

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Electron tunneling, charge transfer, and the intermolecular forces between two H2 molecules, Gordon A. Gallup

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Theory and applications of an atoms in molecules approach to the Xα -SCF method, J. Tylicki, R.J. Hood, Gordon A. Gallup, and C.J. Eckhardt

1976

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Efficient CI calculations utilizing the symmetric group, Gordon A. Gallup and J.M. Norbeck

1973

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Projected Hartree product wavefunctions. VIII. Relationship of DODS and SCF orbitals for Be, Gordon A. Gallup

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Projected Hartree product wavefunctions. VI. Natural orbital CI expansions in nonsinglet cases, R.D. Koller and Gordon A. Gallup

1970

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Projected Hartree Product Wavefunctions. V. Density Matrices and Operators Containing Spin, Gordon A. Gallup

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Projected Hartree Product Wavefunctions. IV. Radial Correlation in Some Three- and Four-Electron Atoms, L.G. Heikes and Gordon A. Gallup

1969

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Projected Hartree Product Wavefunctions. II. General Considerations of Young Operators, Gordon A. Gallup

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Projected Hartree Product Wavefunctions. III. Comparison with the CI Method for H2, R.C. Morrison and Gordon A. Gallup

1968

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Projected Hartree Product Wavefunctions, Gordon A. Gallup

1966

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On the Symmetry of Slater Determinantal Wavefunctions, Gordon A. Gallup

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Self-Consistent-Field Calculation of the Energy of HeH +, Gordon A. Gallup and M.S. McKnight

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Study of Some Solutions of the One-Electron—Two-Center Problem for Heteronuclear Cases, L.Y. Wilson and Gordon A. Gallup

1959

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Effect of Change in Moment of Inertia on Line Intensities of Parallel Vibration-Rotation Bands of Symmetric Top Molecules, Gordon A. Gallup and J.L. Koenig

1958

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Structure of CH2, Gordon A. Gallup

1957

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Effect of Change in Moment of Inertia on the Intensity Distribution in P and R branches of C oov Molecules, Gordon A. Gallup

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Structure of CH2, Gordon A. Gallup

1954

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A Special Case of the Hammett Equation, W.R. Gilkerson, Gordon A. Gallup, and M.M. Jones

1953

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Free Energy and Entropy of Translation Tables, Paul W. Gilles and Gordon A. Gallup

1952

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A Theoretical Formulation of the Hammett Equation, Gordon A. Gallup, W.R. Gilkerson, and M.M. Jones

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Chemical Reactions near Equilibrium, W.R. Gilkerson, M.M. Jones, and Gordon A. Gallup

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Hydrogen Bond Energies in Carboxylic Acids, M.M. Jones, W.R. Gilkerson, and Gordon A. Gallup