Research | Physics & Astronomy

Physics & Astronomy

Research

Our faculty have research expertise in a wide range of physics disciplines, including Astrophysics, Biophysics, Nuclear Physics, and Complex Dynamics. Here are some recent publications:

  • Hellen, E. H. (2024). RLC resonator with diode nonlinearity: Bifurcation comparison of numerical predictions and circuit measurements. Chaos: An Interdisciplinary Journal of Nonlinear Science, 34(7), 073104.
  • Rich, E., Monnier, J. D.,  Aarnio, A. N., et. al. (2022). Gemini-LIGHTS: Herbig Ae/Be and Massive T Tauri Protoplanetary Disks Imaged with Gemini Planet Imager. The Astronomical Journal, 164, 109.
  • J. L. Nagle, R. Belmont, S. H. Lim, and B. Seidlitz (2022). Checking Non-Flow Assumptions and Results via PHENIX Published Correlations in p+p, p+Au, d+Au, 3He+Au at 200 GeV. Physical Review C(105), 024906.
  • Nodyarov, A. S., Miroshnichenko, A., Khokhlov, S. A., et. al. (2022). Toward Understanding the B[e] Phenomenon. IX. Nature and Binarity of MWC 645. The Astrophysical Journal, 936(2), id. 129.
  • Volkov, E., Hellen, E. H. (2021). The effect of characteristic times on collective modes of two quorum sensing coupled identical ring oscillators. Chaos, Solitons & Fractals, 151, 111176.
  • Beatty, I. D., Sedberry, S. J., Gerace, W., Strickhouser, J. E., Elobeid, M. A., Kane, M. J. (2020). Improving STEM self-efficacy with a scalable classroom intervention targeting growth mindset and success attribution. Proceedings of the 2019 Physics Education Research Conference. College Park, MD: American Association of Physics Teachers.
  • Hellen, E. H., Volkov, E. (2020). Emergence of multistability and strongly asymmetric collective modes in two quorum sensing coupled identical ring oscillators. Chaos: An Interdisciplinary Journal of Nonlinear Science, 30(12), 121101.

Some of our physics students and majors participate in research projects. (* indicates student)

  • Refining Orbits of Bright Binary Systems. Miroshnichenko A.S., Danford S., Andronov I.L., Aarnio A.N., Lauer D., *Buroughs H. (2023) Galaxies, 11 (1), Article #8.
  • Exploring Hysteresis and Spontaneous Symmetry Breaking in a Rotating Fluid. Ian Beatty, Pearson Hart* (2019)
  • Can Grandeur Overcome Insecurity? Investigating the Impact of Introductory Astronomy Course Elements on Students Self-Efficacy. Alicia Aarnio, Ian Beatty, Lindsay House* (2019)
  • Experimental Investigation of Spontaneous Polygon Formation in a Rotating Fluid. Ian Beatty, Kirby Schmidt* (2018)
  • Noise-aided Logic in an Electronic Analog of Synthetic Genetic Networks. E.H. Hellen, S.K. Dana, J. Kurths, E. Kehler*, and S. Sinha. PLOS ONE (2013). 10.1371/journal.pone.0076032
  • Prediction and Measurement of Transient Responses of First Difference based Chaos Control for 1-dimensional Maps. E.H. Hellen and J.K. Thomas*. http://arxiv.org/abs/0807.2637
  • Modeling Excitable Systems: Reentrant Tachycardia. J.L. Lancaster*, E.M. Leise, and E.H. Hellen. Am. J. Phys. 78, 56(2010).
  • Nonlinear damping of the LC circuit using antiparallel diodes. E.H. Hellen and M.J. Lanctot*. Am. J. Phys. 75, 326(2007).
The Chaotic Lorenz Attractor Chaotic Cubic Return Map
lorenz_eqns

  

cubic_return_eqn

 
Coupled Oscillators Map Hénon Circuit Bifurcation Diagram