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written by Jacob Moldenhauer, Keenan Stone, and Larry Engelhardt
The 1998 discovery of the cosmic acceleration with supernovae was recently awarded the 2011 Nobel Prize in Physics. Measurements of the baryon acoustic oscillations (BAO), as standard rulers, support this accelerated expansion of the universe (cosmic acceleration). The simulation allows users to compare and fit theoretical models of cosmology with recent BAO data sets to confirm the accelerated expansion of the universe. This modeling allows the user to vary cosmological parameters within a particular class of dark energy cosmological models to fit a particular cosmological data set. The user can plot several theoretical curves with the data to compare different models. The values of these parameters, for a particular model, determine the physical description and evolution of the universe.
The Fitting Cosmological Data Baryon Model was created using Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the ejs_FittingCosmologicalDataBaryon.jar file will run the program if Java is installed. You can modify this simulation if you have EJS by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.
Please note that this resource requires at least version 1.6 of Java.
View the source code document attached to this resource
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Fitting Cosmological Data Baryon Model:
Is Based On Easy Java Simulations Modeling and Authoring Tool
The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Fitting Cosmological Data Baryon Model.relation by Wolfgang Christian
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