im trying to simulate quantum zeno effect using mathematica and I need to apply von neumann and projection operator on to same density matrix and in a loop one by one , so i need help on how to do it .
Firstly, welcome to the forums.
While we are primarily here to help people with their Free Code Camp progress, we are open to people on other paths, too.
With your current questions, we don’t have enough context to know what you already know or don’t know, so it is impossible to guide you without just telling you the answer (which we won’t do).
It is pretty typical on here for people to share a codepen / repl.it / jsfiddle example of what they have tried so that anyone helping has more of an idea of what help is actually helpful.
Please provide some example of what you’ve tried and I’m sure you’ll get more help.
Happy coding 
1 Like
There appears to be a very straightforward calculation in the paper W. M. Itano et al, “Quantum Zeno Effect”, Phys Rev A 41, #5, p. 2295. Can you carry out this calculation? Would this be a good place to start, or are you way beyond this?
This topic was automatically closed 182 days after the last reply. New replies are no longer allowed.