Phase space trajectories

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Why can't trajectories in phase space intersect?
 
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  • #2
Initial conditions uniquely define the trajectory in phase space (by virtue of Hamilton's equation). If two trajectories intersected, the point of intersection could be chosen as an initial condition which wouldn't have unique evolution in phase space, contratry to Hamilton's equation.
 

1. What is a phase space trajectory?

A phase space trajectory is a graphical representation of the path that a system takes through its phase space, which is a mathematical space that describes all possible states of a physical system.

2. How is a phase space trajectory different from a regular trajectory?

A regular trajectory describes the physical path of an object in space, while a phase space trajectory describes the evolution of a system's state over time.

3. What information can be obtained from a phase space trajectory?

A phase space trajectory can provide insights into the behavior and stability of a system, as well as its energy and other physical properties.

4. What are the applications of phase space trajectories?

Phase space trajectories are commonly used in fields such as physics, engineering, and biology to model and analyze complex systems, including celestial bodies, chemical reactions, and biological processes.

5. How are phase space trajectories visualized?

Phase space trajectories are typically plotted on a graph with the system's state variables as axes, and the trajectory is traced as the system evolves over time. This can also be done in higher dimensions using computer software.

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