Department of Physics

Published Articles

(student authors appear in purple letters)

C.J. Massina, M.W. Roth and Paul A. Gray, “Deterministic Computer Simulations of Grazing Impacts on Planetary Surfaces”, Am. J. Undergrad. Res., in press.

M.J. Connolly, E. Maldonado and M.W. Roth, “The Development of a three – dimensional Material Point Method computer simulation algorithm for bullet impact studies”, Am. J. Undergrad. Res., in press.

E. Maldonado, M.W. Roth and Paul A. Gray, “Fully atomistic Molecular Dynamics simulations of the behavior of crude oil confined between graphene planes”, ACS Appl. Mat  & Int.., in press and published on line.

J.L. Dean, M.W. Roth and Paul A. Gray, “Material Point Method Investigations of Trauma to Fluids and Elastic Solids due to Finite Barriers”, Am. J. Undergrad. Res. 7 (4) 7-15 (2009).

E. Maldonado and M.W. Roth, “Deterministic computer simulations of noble gas disks orbiting C60 fullerenes”, J. Comp. Theor. Nanosci., 5 (11), 1-8 (2008).

M.K. Balasubramanya, M.W. Roth, P. Tilton and B.Suchy, "Molecular dynamics simulations of noble gas release from endohedral fullerene aggregates due to cage disintegration," J. Comp. Theor. Nanosci. 5, 627-634 (2008).

M.J. Connolly, M.W. Roth, Carlos Wexler and Paul A. Gray, "Explicit hydrogen molecular dynamics simulations of hexane deposited onto graphite at various coverages", Langmuir 24, 3228 (2008).

M.J. Connolly, M.W. Roth, Carlos Wexler and Paul A. Gray, "Molecular - Dynamics simulations of hexane deposited onto graphite: an explicit - hydrogen model at p = 1," Am. J. Undergrad. Res. 6(1) 1 (2007).

P. Tilton, B. Suchy, M.K. Balasubramanya and M.W. Roth, "Simulated dynamics of Ne@C60 clusters beyond dissociation," Mol. Sim., 31(11), 951-958 (2007).

Nathan G. Beougher, Jason McIntosh, Jason A. Djuren, M.W. Roth , Carlos Wexler and Carl Thurman, “Using Molecular Dynamics Simulations to model the DC electrical Behavior of Confined Layers," Am. J. Undergrad. Res. 5(1) 1 (2006).

C.L. Pint, M.W. Roth, and C. Wexler, “Behavior of Hexane on Graphite at Near-Monolayer Coverages; Molecular Dynamics study,” selected for the Virtual Journal of Nanoscale Science and Technology, 13(10), (2006).

C.L. Pint, M.W. Roth, and C. Wexler, “Behavior of Hexane on Graphite at Near-Monolayer Coverages; Molecular Dynamics study,” Phys. Rev. B. 73, 85422 (2006).

C.L. Pint and M.W. Roth, “Simulated Effects of Odd-Alkane Impurities in a Hexane Monolayer on Graphite,” Phys. Rev. B. 73, 115404 (2006).

C.L. Pint and Michael W. Roth, “Simulation Study of Confinement Effects on the Melting Transition in Hexane and Decane Monolayers Between Two Graphite Slabs”, Proceedings of the Fall 2005 Materials Research Society Meeting, paper #0899-N07-21.

M.W. Roth, C.L. Pint and Carlos Wexler, “Phase transitions in hexane monolayers physisorbed onto graphite”, Phys. Rev. B 71, 155427 (2005).

C.L. Pint, M.W. Roth, and C. Wexler, "Transition Mechanisms and Phases of Hexane Physisorbed onto Graphite," Proceedings of the 2005 NSTI Nanotechnology and Trade Show 2, 265-368 (2005).

P. M. Shand, C. Stark, D. S. Williams, M. A. Morales, T. M. Pekarek, and D. L. Leslie-Pelecky, “Spin Glass or Random Anisotropy?: The Origin of Magnetically Glassy Behavior in Nanostructured GdAl2," J. Appl. Phys. 97, 10J505 (2005); doi:10.1063/1.1853003

M. A. Morales, D. S. Williams, P. M. Shand, C. Stark, T. M. Pekarek, L. P. Yue, V. Petkov, and D. L. Leslie-Pelecky, "Disorder-Induced Depression of the Curie Temperature in Mechanically Milled GdAl2," Phys. Rev. B 70, 184407-1–8 (2004).

W. Even, J. Smith and M.W. Roth, "Calculated behavior of spherically confined hydrogenic atoms: a simple jellium-shell model for H@C60 and Mg+@C60", Int. J. Mol. Sci., 5(12) 333-346 (2004).

W. Even, J. Smith and M.W. Roth, "Molecular dynamics simulations of noble gases encapsulated in C60 Fullerene", Mol. Sim., 31(4), 207(2005).

M.W. Roth and J. Mesentseva, "Atomistic simulations of rare gas transport through breathable single wall nanotubes with constrictions and knees", Mol. Sim., 30(10), 661(2004).

Ryan M. W. Collins, "Physics of potassium ion channel inactivation in neurons," Am. J. Undergrad. Res., 3(1), 27(2004).

E. Chamberlin and M.W. Roth, "Understanding layer promotion and its relationship to melting in krypton on graphite using artificial constraints," Am. J. Undergrad. Res., 2(4), 13(2004).

K. Twedt, "Theoretical neuroscience: Modeling the activation mechanism of potassium channels in neurons," Am. J. Undergrad. Res., 2(3), 1(2003).

D. Williams, P. M. Shand, C. Stark, T. Pekarek, R. Brown, Lanping Yue, and D. L. Leslie-Pelecky, "Curie-Weiss analysis of ferromagnetic and glassy transitions in nanostructured GdAl2," J. Appl. Phys. 93, 6525-6527 (2003).

K. Bader and M.W. Roth, "Simulated behavior of krypton/argon mixtures confined between two graphite slabs: new terrain for familiar systems", Surf. Sci., 538(1-2) 30(2003).

M.W. Roth, C.M. Wilson, and M.Z. Iqbal, "Transient-state groundwater flow in various geometries with wells at arbitrary positions: Analytical methods", Hydrol. Process., 17, 3519-3530 (2003).

C. Leerberg and M.W. Roth, "Computer modeling of pool games: Sensitivity of outcomes to initial conditions:, Am. J. Undergrad. Res., 1(4), 27 (2003).

Even, W. and Roth, M. W., "Computer dimulations of planet collisions using a new parallel algorithm", Am. J. Undergrad. Res., 1(3), 1-8 (2002).

Stark, C., Shand, P., et. al., "Coexistence of ferromagnetic and glassy sttates in mechanically milled GdAl2", Am. J. Undergrad. Res., 1(3), 27-37 (2002).

Wilson, C., M. W. Roth and M. Z. Iqbal, "Hydrologic contaiminant transport modeling: A novel analytical and computational approach", Am. J. Undergrad. Res., 1(2), 1-10 (2002).

Bader, K. and Roth, M. W., "Predicted effects of confinement on the melting transition in krypton-argon adlayers", Am. J. Undergrad. Res., 1(1) 9-18 (2002).

Presentations at Physics Conferences

15th Annual Argonne Symposium for Undergraduates in Science, Engineering and Mathematics, Argonne National Laboratory, November 5-6, 2004, (the following 4 papers were presented):

"Theoretical considerations for a geosynchronous, Earth-based gravity wave interferometer," William Griffin, C. C. Chancey

"Theoretical study of the vibrational modes in the S4 segment of a potassium channel molecule," Adam C. Perkins, C. C. Chancey

" Monte Carlo investigation into the magnetic properties of mechanically milled GdAl2," Kevin A. Twedt, P. M. Shand

"Investigation of phase transitions in submonolayer hexane physisorbed onto the basal plane of graphite," Cary L. Pint, Michael W. Roth, and Carlos Wexler

2004 Meeting of the Four Corners Section of the American Physical Society (APS), Albuquerque, NM, October 15-16, 2004

"Investigation of Phase Transitions in Submonolayer Hexane Physisorbed onto the Basal Plant of Graphite," C. L. Pint, M.W. Roth, and Carlos Wexler

UNI Sigma Xi 11th Annual Student Research Conference, Georgian Lounge, Commons, April 8, 2004, (the following 4 papers were presented):

"Experimental measurement of the dispersion relation of capillary waves by laser interferometry: Noncontact determination of the surface tension of water-ethanol binary mixtures," Adam Perkins, project advisor F. Behroozi.

"Theoretical neuroscience: Modeling the activation mechanism of potassium channels in neurons," Kevin Twedt, project advisor C.C. Chancey.

"Physics of potassium ion channel inactivation in neurons," Ryan M. W. Collins, project advisor C. C. Chancey.

"Factors affecting student achievement in college physics," Jason Djuren, project advisor Andrea Pascarella.

Iowa Academy of Science 116th Annual Meeting, University of Northern Iowa, April 23-24, 2004, Physics Session Papers (the following 2 papers were presented):

"Physics of potassium ion channel inactivation in neurons," R.M.W. Collins and C.C. Chancey.

"Modeling the activation of mechanism of potassium channels neurons," K.A. Twedt and C.C. Chancey.

UNI Sigma Xi 10th Annual Student Research Conference, Georgian Lounge, Commons, April 16, 2003, (the following 2 papers were presented):

"The Dispersion relation for capillary waves: Noncontact viscosity determination," Adam Perkins, Justin Smith, Wesley Even, project advisor F. Behroozi.

"A computational study of the energy spectra of endohedral hydrogen and magnesium," Wesley Even, Justin Smith, project advisor M. Roth

2002 Sigma Xi Student Research Conference, Galveston Island, TX, November 16, 2002, (the following 2 poster presentations received 3rd Place):

"A computational study of the spectrum of endohedral hydrogen and magnesium," Wesley Even, project advisor M. Roth.

"Determination of Viscosity from Dispersion Relation of Capillary Waves," Justin Smith, project advisor F. Behroozi.

13th Annual Argonne Symposium for Undergraduates in Science, Engineering and Mathematics, Argonne National Laboratory, October 25-26, 2002, (the following 4 papers were presented):

"A computational study of the spectrum of endohedral hydrogen and magnesium," Wesley Even, Justin Smith, Michael Roth, project advisor M. Roth.

"Frequency stabilizationi of a self-contained helium neon laser," Aaron Rueter and Dale Olson, project advisor D. Olson.

"Determination of viscosity from the dispersion relation of capillary waves, "Justin Smith, Wes Even, and Fred Behroozi, project advisor F. Behroozi.

"Coexistence of ferromagnetic and glassy states in mechanically milled GdAl2," Christopher Stark, Paul Shand, T. Pekarek, and D. Leslie-Pelecky, project advisor P. Shand.

UNI Sigma Xi 9th Annual Student Research Conference, Georgian Lounge, Commons, April 17, 2002, (the following 5 papers were presented):

"Predicted effects of confinement on the melting transition in krypton-argon adlayers," Karson Bader, in absentia, former advisor Mike Roth.

"Computer simulations of planet collisions using a new parallel algorithm," Wes Even, project advisor Mike Roth.

"Hydrologic contaminant transport modeling suited for undergraduate: A novelanalytical and computational approach, Cody Wilson, M. Wilson, M. Iqbal.

"Computational modeling of pool games: Sensitivity of outcomes to initial conditions," Christian Leerberg, project advisor M.W. Roth.

"Non-contact measurement of the viscosity of binary fluids," Justin Smith, project advisor Fred Behroozi.