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New Blogs Launched |
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July 5, 2011
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Times and Life |
| Experiences of the life we lead.
Times and Life is a new blog about life with Jeri and three miniature dachshunds, Brutus, Topher and Lucy.
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The Charged Few |
| A fresh look at the physical world from the perspective of The Charged Few.
The Charged Few is a work in progress about the research I began, its history thus far, and a record of its foreword progress.
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Pages Of Mind |
| Where everyday life is transcribed.
Pages Of Mind is yet another blog about just about anything I care to post. Mostly mobile pictures and remarks throughout each week.
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Accepted Paper |
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July 2, 2011
Discrete Charge Dielectric Model of Electrostatic Energy
Tim LaFave Jr.
Journal of Electrostatics
DOI: 10.1016/j.elstat.2011.06.006 (forthcoming)
Abstract Studies on nanoscale materials merit careful development of an electrostatics model concerning discrete point charges within dielectrics. The discrete charge dielectric model treats three unique interaction types derived from an external source: Coulomb repulsion among point charges, direct polarization between point charges and their associated surface charge elements, and indirect polarization between point charges and surface charge elements formed by other point charges. The model yields the potential energy, U(N), stored in a general N point charge system differing from conventional integral formulations,  and  , in a manner significant to the treatment of few electron systems.
Keywords: electrostatics, nanoscale materials, dielectrics, discrete charges.
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Neurophotonics
Click Here to read about our current research at UT-Dallas in conjunction with SMU, UNT, Vanderbilt and Case Western.
DCD Model Pic of the Day
Latest Results indicate that a dielectric sphere containing five point charges may be viewed as three forming an equilateral triangle on the "equator" while two appear at the "poles". To obtain the minimum (electrostatic) energy, the equatorial radius expands and contracts while the polar radius contracts and expands.
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