Imagine you're in a room with a door, and you want to leave. But there are obstacles in front of the door, like a table and chairs. In order to escape, you need to find a way around the obstacles.
Now, think of a particle in a system, like an atom or molecule, that also wants to "escape" from its surroundings. But instead of physical obstacles, the particle faces energy barriers that prevent it from getting away.
A time independent escape sequence is a way to measure the likelihood of a particle "escaping" from its surroundings without taking time into account. It's like a map that shows all the possible paths the particle can take to get past the energy barriers and leave the system.
Scientists use this sequence to understand how particles behave in certain environments, like in a chemical reaction. By knowing the probability of a particle getting away, they can predict how the reaction will proceed and what products will be formed.
In simpler terms, a time independent escape sequence is like a guide that helps scientists understand how things move and react in different situations.