{"id":77,"date":"2015-03-03T20:45:16","date_gmt":"2015-03-04T01:45:16","guid":{"rendered":"http:\/\/physics.uncg.edu\/new\/?page_id=77"},"modified":"2024-07-11T14:56:51","modified_gmt":"2024-07-11T18:56:51","slug":"research","status":"publish","type":"page","link":"https:\/\/physics.uncg.edu\/research\/","title":{"rendered":"Research"},"content":{"rendered":"<p>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:<\/p>\n<ul>\n<li>Hellen, E. H. (2024). RLC resonator with diode nonlinearity: Bifurcation comparison of numerical predictions and circuit measurements. <em>Chaos: An Interdisciplinary Journal of Nonlinear Science, <\/em>34(7), 073104<em>.<\/em><\/li>\n<li>Rich, E., Monnier, J. D.,&nbsp; Aarnio, A. N., et. al. (2022). Gemini-LIGHTS: Herbig Ae\/Be and Massive T Tauri Protoplanetary Disks Imaged with Gemini Planet Imager. <em>The Astronomical Journal, 164<\/em>, 109.<\/li>\n<li>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. <em>Physical Review C<\/em>(105), 024906.<\/li>\n<li>Nodyarov, A. S., Miroshnichenko, A., Khokhlov, S. A., et. al. (2022). Toward Understanding the B[e] Phenomenon. IX. Nature and Binarity of MWC 645. <em>The Astrophysical Journal, 936<\/em>(2), id. 129.<\/li>\n<li>Volkov, E., Hellen, E. H. (2021). The effect of characteristic times on collective modes of two quorum sensing coupled identical ring oscillators. <em>Chaos, Solitons &amp; Fractals, 151<\/em>, 111176.<\/li>\n<li>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. <em>Proceedings of the 2019 Physics Education Research Conference<\/em>. College Park, MD: American Association of Physics Teachers.<\/li>\n<li>Hellen, E. H., Volkov, E. (2020). Emergence of multistability and strongly asymmetric collective modes in two quorum sensing coupled identical ring oscillators. <em>Chaos: An Interdisciplinary Journal of Nonlinear Science, <\/em>30(12), 121101.<\/li>\n<\/ul>\n<p>Some of our physics students and majors participate in research projects. (* indicates student)<\/p>\n<ul>\n<li><em>Refining Orbits of Bright Binary Systems. <\/em>Miroshnichenko A.S., Danford S., Andronov I.L., Aarnio A.N., Lauer D., *Buroughs H. (2023) Galaxies, <strong>11<\/strong> (1), Article #8.<\/li>\n<li><em>Exploring Hysteresis and Spontaneous Symmetry Breaking in a Rotating Fluid<\/em>. Ian Beatty, Pearson Hart* (2019)<\/li>\n<li><em>Can Grandeur Overcome Insecurity? Investigating the Impact of Introductory Astronomy Course Elements on Students Self-Efficacy<\/em>. Alicia Aarnio, Ian Beatty, Lindsay House* (2019)<\/li>\n<li><em>Experimental Investigation of Spontaneous Polygon Formation in a Rotating Fluid.<\/em> Ian Beatty, Kirby Schmidt* (2018)<\/li>\n<li><em>Noise-aided Logic in an Electronic Analog of Synthetic Genetic Networks<\/em>. E.H. Hellen, S.K. Dana, J. Kurths, E. Kehler*, and S. Sinha. PLOS ONE (2013). <a href=\"http:\/\/www.plosone.org\/article\/info%3Adoi%2F10.1371%2Fjournal.pone.0076032\" target=\"_blank\" rel=\"noopener noreferrer\">10.1371\/journal.pone.0076032<\/a><\/li>\n<li><em>Prediction and Measurement of Transient Responses of First Difference based Chaos Control for 1-dimensional Maps. <\/em>E.H. Hellen and J.K. Thomas*.&nbsp;<a href=\"http:\/\/arxiv.org\/abs\/0807.2637\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/arxiv.org\/abs\/0807.2637<\/a><\/li>\n<li><em>Modeling Excitable Systems: Reentrant Tachycardia<\/em>. J.L. Lancaster*, E.M. Leise, and E.H. Hellen.&nbsp;Am. J. Phys.&nbsp;<strong>78<\/strong>, 56(2010).<\/li>\n<li><em>Nonlinear damping of the LC circuit using antiparallel diodes<\/em>. E.H. Hellen and M.J. Lanctot*.&nbsp;Am. J. Phys.&nbsp;<strong>75<\/strong>, 326(2007).<\/li>\n<\/ul>\n<table class=\"lined\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\" bgcolor=\"#E2E1DD\" width=\"50%\">The Chaotic Lorenz Attractor<\/td>\n<td align=\"center\" valign=\"top\" bgcolor=\"#E2E1DD\">Chaotic Cubic Return Map<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-283\" src=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/lorenz_eqns.png\" alt=\"lorenz_eqns\" width=\"143\" height=\"127\"><\/p>\n<p><a href=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1299\" src=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm-300x245.jpg\" alt=\"\" width=\"300\" height=\"245\" srcset=\"https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm-300x245.jpg 300w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm-1024x835.jpg 1024w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm-768x627.jpg 768w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm-1536x1253.jpg 1536w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/02\/Lorenz_oscope_sm.jpg 2037w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td align=\"center\" valign=\"top\">&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-276\" src=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return_eqn.png\" alt=\"cubic_return_eqn\" width=\"153\" height=\"24\" srcset=\"https:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return_eqn.png 153w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return_eqn-150x24.png 150w\" sizes=\"auto, (max-width: 153px) 100vw, 153px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-275\" src=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return-300x226.png\" alt=\"\" width=\"300\" height=\"226\" srcset=\"https:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return-300x226.png 300w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2015\/06\/cubic_return.png 815w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\" bgcolor=\"#E2E1DD\" width=\"50%\">Coupled Oscillators Map<\/td>\n<td align=\"center\" valign=\"top\" bgcolor=\"#E2E1DD\">H\u00e9non Circuit Bifurcation Diagram<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\"><a href=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1318\" src=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color-300x212.png\" alt=\"\" width=\"300\" height=\"212\" srcset=\"https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color-300x212.png 300w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color-1024x724.png 1024w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color-768x543.png 768w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color-1536x1086.png 1536w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/n3k15b050101map-full_MS-color.png 1650w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td align=\"center\" valign=\"top\"><a href=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/Bifurcation.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1331\" src=\"http:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/Bifurcation-300x240.jpg\" alt=\"\" width=\"300\" height=\"240\" srcset=\"https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/Bifurcation-300x240.jpg 300w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/Bifurcation-1024x820.jpg 1024w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/Bifurcation-768x615.jpg 768w, https:\/\/physics.uncg.edu\/wp-content\/uploads\/2023\/03\/Bifurcation.jpg 1431w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Our faculty have research expertise in a wide range of physics disciplines, including Astrophysics, Biophysics, Nuclear Physics, and Complex Dynamics. [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"parent":0,"menu_order":15,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_mi_skip_tracking":false,"footnotes":""},"class_list":["post-77","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/pages\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/comments?post=77"}],"version-history":[{"count":27,"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/pages\/77\/revisions"}],"predecessor-version":[{"id":1411,"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/pages\/77\/revisions\/1411"}],"wp:attachment":[{"href":"https:\/\/physics.uncg.edu\/wp-json\/wp\/v2\/media?parent=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}