Physics Department News

Physics Research Highlights

	Eric Edlund published a paper titled "Lagrange Points and Regionally Conserved Quantities" in the American Journal of Physics (AJP) in June 2024. Figure 6 from this article, shown at the left, was chosen for the cover of the June edition of AJP. This article is freely available to the public here. He and current student, Ryan Hayes, are working on a follow-up article to this work that they plan to submit for review later this year.

	Moataz Emam is author of Covariant Physics, an undergraduate textbook on the subject of general relativity, published by Oxford University Press. Professor Emam uses this text in his General Relativity course (PHY 445) at SUNY Cortland.

	Douglas Armstead co-authored a paper titled "Local and regional PV power variability in the northeastern US: Implications for simplified utility flicker screening analyses" in the Journal of Energy. This work examined the robsutness of the electric grid with wide-scale adoption of photo-voltaic (solar panel) power systems. These systems are prone to variability due to changes in local weather, which must be compensated at the grid-level. Armstead argues that a threshold condition for PV power integration can largely solve the so-called "flicker" problem.

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