College of Science and math/Dean's Office

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Faculty Publications - Physics & Astronomy

Articles/Papers

Griffiths, P.C., Paul, A., Heenan, R. K., Penfold, J., Ranganathan, R., and Bales, B. L.(2004). The role of counter ion concentration in determining micelle aggregation: Evaluation of the combination of constraints from small-angle neutron scattering, electron paramagnetic resonance, and time-resolved fluorescence quenching. Langmuir.

Bales, B. L., and Zana, R. (2004). Cloud point of aqueous solutions of tetrabutylammonium dodecyl sulfate is a function of the concentration of counterions in the aqueous phase.”  Langmuir, 20, 1579-1581.

Benrraou, M., Bales, B. L., and Zana, R. (2003). Effect of the nature of the counterions on the properties of anionic surfactants.1. Cmc, Ionization degree at the cmc and aggregation number of micelles of sodium, cesium, tetramethylammonium, tetraethylammonium, tetrapropylammonium, and tetrabutylammonium dodecylsulfates.The Journal of Physical Chemistry B.107, 3432-13440.

Benrraou, M., Bales B. L., and Zana, R. (2003). Effect of the nature of the counterion on the interaction between cesium and tetraalkylammonium dodecylsulfates and poly (ethylene oxide) or poly (vinylpyrolidone).” Journal of Colloid Interface Science, 267(2), 519-523.

Bales, B. L., Peric, M., and Dragutan, I. (2003). EPR line shifts and line shape changes due to spin exchange of nitroxide free radicals in liquids 3.  Extension to five hyperfine lines.  Additional line shifts due to drencounters. The Journal of Physical Chemistry A,107, 9086-9098.

Ranganathan, R., Vautier-Giongo, C., and Bales, B. L. (2003). Toward a hydrodynamic description of bimolecular collisions in micelles.” The Journal of Physical Chemistry B,107, 10312-10318.

Vautier-Giongo, C., and Bales, B. L. (2003). Estimate of the ionization degree of ionic micelles based on kraft temperature measurements. The Journal of Physical Chemistry B,107, 5398-5403.

Riske, K. A., Nascimento, O. R., Bales B. L., and Lamy-Freund, M. T. (2003). DMPG gel-fluid thermal transition monitored by a phospholipid spin labeled at the acyl chain end.Chemistry and Physics of Lipids,124(1), 69-80.

Blanco, J. R. (2004). Optical properties of materials in an undergraduate physics curriculum. Proceedings of the International School of Solid State Physics. Epioptics.

Cadavid, A. C., Lawrence, J. K., McDonald, D., Ruzmaikin, A. (2004). Independent global modes of solar magnetic field fluctuations. Solar Physics.

Lawrence, J. K., Cadavid, A. C., Ruzmaikin. (2004). Principal component analysis of the solar magnetic field I:  The axisymmetric field at the photosphere. Solar Physics.

Ruzmaikin, A., Cadavid, A. C., and Lawrence, J. K. (2004). Simple attractors of atmospheric dynamics. Journal of Geophysical Research.

Lawrence, J. K., Cadavid, A. C., Micollis, D., Berger, T. E., and Ruzmaikin, A. A. (2003). Influence of photospheric magnetic fields and dynamics on chromospheric k-line emission. The Astrophysical Journal, 1178, 2003.

Cadavid, A. C., Lawrence, J. K., Berger, T. E., and Ruzmaikin, A. A. (2003).  Photospheric sources and brightening of the internetwork chromosphere, The Astrophysical Journal, 1409.

Ruzmaikin, A. A., Lawrence, J. K., and Cadavid, A. C. (2003). A simple model of stratospheric dynamics including solar variability. Journal of Climate, 1593.

Cadavid, A. C., Lawrence, J. K., McDonald, D., Ruzmaikin, A. (2004). Independent global modes of solar magnetic field fluctuations. Solar Physics.

Lawrence, J. K. Cadavid, A. C., Ruzmaikin, A. (2004). Principal component analysis of the solar magnetic field I: The axisymmetric field at the photosphere. Solar Physics.

De Toma, G., White, O. R., Chapman, G. A.,Walton, S. R., Preminger, D. G., and Cookson, A. M. (2004). Solar cycle 2-3: An anomalous cycle? The Astrophysical Journal.609, 1140.

Chapman, G. A., Hoffer, A. S., and Walton, S. R. (2004). On the facular area surrounding decaying sunspots. Solar Physics.

Chapman, G. A., Cookson, A. M., Dobias, J. J., Preminger, D. G. and Walton, S. R. (2004). Photometry of the full solar disk at the San Fernando Observatory. Advances in Space Research, 34, 262.

Chapman, G. A., Dobias, J. J., Preminger, D. G. and Walton, S. R. (2004). On the decay rate of sunspots. Geophysical Research Letters. 30.

Walton S. R., Preminger, D. G., and Chapman, G. A. (2003). A statistical analysis of the characteristics of sunspots and faculae. Solar Physics, 213,301.

Walton, S. R., Preminger, D. G., and Chapman, G. A. (2003). The contribution of faculae and network to long-term changes in the total solar irradiance.  The Astrophysical Journal, 590, 1088.

Penn, M. J., Cao, W. D., Walton, S. R., Chapman G. A., and Livingston, W. (2003). Weak infrared molecular lines reveal rapid outflow in cool magnetic sunspot penumbral fibrils. The Astrophysical Journal, 590,L119.

Penn, M. J., Walton, S. R., Chapman, G. A., Ceja, J., and Plick, W. (2003). Temperature dependence of molecular line strengths and fe I 1565 nm zeeman splitting in a sunspot. Solar Physics, 213,55.

Penn, M. J., Cao, W.D., Walton, S. R., Chapman, G. A., and Livingston, W. (2003). Imaging spectropolarimetry of ti 2231 nm in a sunspot. Solar Physics, 215, 87.

Walton, S. R., Preminger, D. G., and Chapman, G. A., (2003). Modeling the total solar irradiance: Recent progress and new questions, in Proc. ISCS 2003 Symposium, “solar variability as an input to the Earth’s environment. (A., Wilson, ed.) Tatranska Lomnica, Slovakia, (ESA SP-535), 23-28.

Choudhary, D. P., Balasubramanaim, K. S., and Suematsu, Y. (2004). Asymmetric stokes-V profiles at the penumbral boundary of a sunspot: The Solar-B mission and the forefront of SolarPhysics. Proceedings of the Fifth Solar-B Science Meeting, Sakurai, T., and Sekii, T. (Ed.). ASP Conference Series.

Choudhary, D. P., and Moore, R. L., (2003). Filament eruption without coronal mass ejection. Geophys.Res. Lett, 30, 2107.

Choudhary, D. P., and Gosain, S., (2003). Study of bright points in the off-band ha filtergrams of active regions. Astronomische Nachrichten, 324, 367-368.

Choudhary, D. P., and Gosain, S. (2003). Magnetic and velocity fields of active regions.Astronomische Nachrichten, 324, 362-363.

Jacobs, D. J., and Dallakyan, S. (2004). Elucidating protein thermodynamics from the three dimensional structure of the native state using network rigidity. Biophysical Journal.

Livesay, D. R., Dallakyan, S., Wood G. G., and Jacobs, D. J. (2004). A flexible approach for understanding protein stability. FEBS Letters, 576, 468-476. 

Lee, M. S., Wood G. G., and Jacobs, D. J. (2004). Investigations on the alpha-helix to coil transition in HP-heterogeneous polypeptides using network rigidity. J. Phys. Cond. Mat., 6, S5035-S5046.

Hespenheide, B. M., Jacobs, D. J., and Thorpe, M. F. (2004). Structural rigidity in the capsid assembly of Cowpea Chlorotic Mottle virus. J. Phys. Cond. Mat., 16, S5055-S5064.

Jacobs, D. J., and Wood, G. G., (2004). Understanding the a-Helix to Coil transition in polypeptides using network rigidity: Predicting heat and cold denaturation in mixed solvent conditions. Biopolymers, 75, 1-31.

Chubynsky, M., Hespenheide, B., Jacobs, D. J., Kuhn, L. A., Lei, M., Menor, S., Rader, A. J., Thorpe, M. F., Whiteley, W., and Zavodszky, M. I. (2004). Constraint theory applied to proteins. To be published in the proceedings of the Indo-US Biopolymer workshop by Nova Publishers.

Thorpe, M. F., Chubynsky, M., Hespenheide, B., Menor, S. Jacobs, D. J., Kuhn, L. A., Zavodsky, M. I., Lei, M., Rader A. J., and Whiteley, W. (2005). Flexibility in biomolecules. To be published as an article in the Sir Roger Elliott Festschift.

Jacobs, D. J., (2004). Understanding protein stability and flexibility using network rigidity, conference proceedings of the second international conference on multiscale materials modeling. Ghoniem, N. M. (Ed.). ISBN 0-9762064-1-2, Printed by Mechanical and Aerospace Engineering Department, UCLA 386-388.

Jacobs, D. J., Dallakyan, S., Wood G. G., and Heckathorne, A. (2003). Network rigidity at finite temperature: Relationships between thermodynamic stability, the nonadditivity of entropy, and cooperativity in molecular systems. Physical Review E. 68, 061109.

Kioussis, N., Luo, Y., and Verdozzi, C. (2004). Tuning the magnetism in strongly-correlated electron nanoclusters. Physics of Spin in Solids: Materials, Methods, and Applications.

Kalitsov, Coho, A., Kioussis, N., Vedyayev, A., and Chshiev M. (2004). Disorder-induced tuning of quantum well states in spin dependent resonant tunneling. Phys. Rev. Lett.

Liu, C. S., Kioussis, N., Demos, S., and Radousky, H. (2003). Electron- or hole-assisted reactions of H defects in Hydrogen-Bonded KDP. Phys. Rev. Lett. 91, 015505.

Granovsky, A. B., Kalitsov, A. V., Khanikaev, A. B., and Kioussis, N. (2003). Influence of grain size of the Extraordinary Hall Effect in Magnetic Granular Alloys. J. Magn. & Mag. Mater.  87, 258-259.

Ghoniem, N. M., Huang, H., Busso, E., and Kioussis, N. (2003). Multiscale Modeling of Nano- and Micro-Mechanics: An Overview. Phil. Mag. A (in press).

Scudder, H., Lu, G., and Kioussis, N. (2003). Hydrogen-induced unzipping of carbon nanotubes.  Phys. Rev. B68, 205416.

Liu, C., Zhang, Q., Kioussis, N., Demos, S., and Radousky, H. (2003). Ab initio studiesof intrinsic and extrinsic hydrogen defects in KH2PO4. Phys. Rev. B 68, 224107.

Lu, G., Bulatov, V., and Kioussis, N., (2003). A nonplanar peierls-nabarro model and its applications to dislocation cross-slip.  Phil. Mag. A, 83, 3539.

Lu, G., Bulatov, V., and Kioussis, N. (2004). On stress assisted dislocation constriction and cross-slip. (2004). Intern. Journ. of Plasticity, 20(3), 447-458.

Luo, Y., Verdozzi, C., and Kioussis, N. (2004). Zero-temperature phase diagram of the periodic Anderson model. J. Appl. Phys.

Verdozzi, C., Luo, Y., and Kioussis, N., (2003). Disordered kondo nanoclusters: Effect of spacing. Phys. Rev. B.

Lu, G., and Kaxiras, E., (2004). A new route to the theory of Hydrogen embrittlement.Nature Materials.

Choly, N., Lu, G., Kaxiras, E., and W. E. (2004). Coupling quantum and classical simulations in metals. Phys. Rev. B.

Lu, G., and Kaxiras, E. (2004). An overview of multiscale simulations of materials in Rieth M., and Schommers, W. (Eds.), Handbook of theoretical and computational nanotechnology, Ch22: American Scientific.

Lu, G. and Kaxiras, E. (2005). Recent progress in multiscale modeling of materials.Journal of Computational and Theoretical Nanoscience.

Lu, G., (2004). Peierls-Nabarro Theory of dislocations in Catlow, R., Shercliff, H., and Yip, S. (Eds.) (2004). Handbook of materials modeling. Kluwer Academic PublishersVol. 1: Dordrecht, the Netherlands. 

Lu, G., Bulatov, V., and Kioussis, N. (2003). A non-planar Peierls-Nabarro model and its application to dislocation cross-slip. Philo. Mag. 83, 3539.

Lu, G., Scudder H., and Kioussis, N. (2003). Hydrogen-induced unzipping of Single-walled carbon nanotubes. Phys. Rev. B, 68, 205416 and Virtual Journal of Nanoscale Science & Technology, 8(22).

Lu, G., Bulatov, V., and Kioussis, N. (2003). On stress assisted dislocation constriction and cross-slip. International J. Plasticity, 20, 447.

Milton Gaspar, L. J., Greetha Baskar, Reddy, B. S., Ranganathan, R., and Peric, M.(2004). Effect of N-Glycinyl Maleamic Acid on microstructural characteristics and solubilization properties of SDS micellar assemblies, Langmuir. 20,9029-9035.

Peric M., and Bales, B. L. (2004). Lineshapes of spin exchange broardened EPR spectra,J. Magn. Reson. 169,27-29.

Peric, M., Alves, M., and Bales, B. L., Precision parameters from spin-probe studies of membranes using a partitioning technique.  Application to two model membrane vesicles. Biochim. Biophys. Acta.

Bales, B. L., Peric, M., and Dragutan, I. (2003). Electron paramagnetic resonance line shifts and line shape changes due to spin exchange between nitroxide free radicals in liquids. 3.  Extension to five hyperfine lines, additional line shifts due to re-encounters. J. Phys. Chem. A, 107,9086.

Griffiths, P. C., Paul, A., Heenan, R. K., Penfold, J., Ranganathan, R., and Bales, B. L. (2004). The role of counterion concentration in determining micelle aggregation: Evaluation of the combination of constraints from small-angle neutron scattering, electron paramagnetic resonance and time-resolved fluorescence quenching. J. Phys. Chem. B.

Griffiths, P. C., Cheung, A. Y. F., Farley, C., Paul, A., Heenan, R. K., King, S. M., Petersson, E., Stilbs, P., Ranganathan, R. (2004). Small-angle neutron scattering, electron paramagnetic resonance, electrophoretic NMR, and time resolved fluorescence quenching studies of sodium dodecyl sulfate and tetra (ethylene oxide) dodecyl ether mixed surfactant micelles. J. Phys. Chem. B, 108,1351-1356.

Ranganathan, R. Vautier-Giong, C., and Bales, B. L. (2003). Toward a hydrodynamic description of bimolecular collisions in micelles. An experimental test of the effect of the nature of the quencher on the fluorescence quenching of pyrene in SDS micelles and in bulk liquids. J. Phys. Chem. B, 107,10312-10318.

Seki, R., Kohama, A., Arima, A., and Yamaji, S. (2003). Determination of matter surface distribution of neutron-rich nuclei. J. Phys. Soc. Jap. 72,2766.

Seki, R., Nakamura, H. (2004). Neutrino-nucleus cross section: Fermi gas model v. spectral function in Proc. 2nd Int. Workshop on the Neutrino-Nucleus Interactions in the GeV Region, ed. D. Casper, et al.

Seki, R., Abe, T., and Kocharian, A. N. (2004). A mean field calculation of thermal properties of simple nucleon matter on a lattice. Phys. Rev. C.

Sheng, L., Sheng D. N., and Ting, C. S. (2004). Spin-hall effect in two-dimensional electron systems with rashba spin-orbit coupling and disorder. Phys. Rev. Lett., cond-mat/0409038.

Sheng, D.N., and Balents, L. (2004). Numerical study of fractionalization in an easy-axis kagome antiferromagnet. Phys. Rev. Lett., cond-mat/0408639.

Sheng, L., Xing, D. Y., and Sheng, D. N. (2004). Large magnetoresistance induced by quantum charge fluctuations in magnetic double dots. Phys. Rev. B., cond-mat/0408554.

Sheng, L., Xing D. Y., and Sheng, D. N. (2004). Theory of the zero-bias anomaly in magnetic tunnel junctions: Inelastic tunneling via impurities. Phys. Rev. B., 70,094416.

Sheng, L., Xing D. Y., and Sheng, D. N. (2004). Theory of impurity resonant tunnel magnetoresdistance. Phys. Rev. B., 69,132413.

Sheng, L., Xing, D. Y., Teng, H. Y., and Sheng D. N. (2003). Random walk simulation of magnetotransport in magnetic granular systems. Phys. Rev. B.,68,132401.

Sheng, D. N., Balents, L. and Wang, Z. (2003). Phase diagram for quantum hall bilayers at n = 1. Phys. Rev. Lett. 91,116802.

Sheng, D. N., et. al. (2003). Disorder-driven collapse of the mobility gap and transition to an insulator in the fractional quantum hall effect. Phys. Rev. Lett.90,256802.

Céja, J., and Walton, S. R. (2004). Non-linear least squares analysis of stokes profiles.Solar Phys.

Walton, S. R., Preminger, D. G., and Chapman, G. A. (2003). A statistical analysis of the characteristics of sunspots and faculae. Solar Phys., 213,301–317.

Walton, S. R., Preminger, D. G., and Chapman, G. A. (2003). The contribution of faculae and network to long-term changes in the total solar irradiance. Astrophys. J.,90,1088–1094.

Walton, S. R., Preminger, D. G., and Chapman, G. A. (2003). Modeling the total solar irradiance: Recent progress and new questions, in Wilson, A. (ed.). (2003). Solar variability as an input to the Earth’s environment. Proc. ISCS Symposium. Tatranska Lomnica, Slovakia, (ESA SP-535): 23-28.

Walton, S. R., Preminger, D. G., and Chapman, G. A. (2003). A satiscal analysis of the characteristics of sunspots and faculae. Solar Phys.,213-301.

Walton, S. R., Preminger, D. G., and Chapman, G.A. (2003). The contribution of faculae and network to long-term changes in the total solar irradiance. Astrophys. J.590,1088.

Penn, M. J., Cao, W. D., Walton, S. R., Chapman, G. A., and Livingston, W. (2003). Weak infrared molecular lines reveal rapid outflow in cool magnetic sunspot penumbral fibrils. Astrophys. J. 590,L119.

Penn, M. J., Walton, S. R., Chapman, G., Ceja, J., and Plick, W. (2003). Temperature dependence of molecular line strengths and fe I 1565 nm zeeman splitting in a sunspot,”Solar Phys., 213,55.

Penn, M. J., Cao, W. D., Walton, S. R., Chapman, G. A., and Livingston, W. (2003). Imaging spectropolarimetry of ti 2231 nm in a sunspot. Solar Phys., 215,87.