Event Title
Exploring the Equations of State for Multiple Component Universes
Presentation Type
Poster/Portfolio
Presenter Major(s)
Physics
Mentor Information
Brett Bolen, bolenbr@gvsu.edu; Rupam Das, dasr@gvsu.edu
Department
Physics
Location
Henry Hall Atrium 99
Start Date
13-4-2011 2:00 PM
End Date
13-4-2011 3:00 PM
Keywords
Mathematical Science
Abstract
The Friedman equations are a set of second order differential equations which govern the evolution of spacetime for an isotropic and homogeneous universe. The traditional solutions to these equations all lead to a universe which is decelerating. However in 1998, observations of type IA supernovae lead astronomers to believe in an accelerating universe. In this project, we investigated the conditions (equations of state) for multiple component universes that satisfy an accelerating expansion. A focus of this project was the investigation of the equation of state for a hypothetical substance known as the Chaplygin gas. We also explored the equation of state for a possible universal fate known as the Big Rip.
Exploring the Equations of State for Multiple Component Universes
Henry Hall Atrium 99
The Friedman equations are a set of second order differential equations which govern the evolution of spacetime for an isotropic and homogeneous universe. The traditional solutions to these equations all lead to a universe which is decelerating. However in 1998, observations of type IA supernovae lead astronomers to believe in an accelerating universe. In this project, we investigated the conditions (equations of state) for multiple component universes that satisfy an accelerating expansion. A focus of this project was the investigation of the equation of state for a hypothetical substance known as the Chaplygin gas. We also explored the equation of state for a possible universal fate known as the Big Rip.