Zwanzig projection operator
Mathematical device used in statistical mechanics / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Zwanzig projection operator?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
The Zwanzig projection operator is a mathematical device used in statistical mechanics.[1] This projection operator acts in the linear space of phase space functions and projects onto the linear subspace of "slow" phase space functions. It was introduced by Robert Zwanzig to derive a generic master equation. It is mostly used in this or similar context in a formal way to derive equations of motion for some "slow" collective variables.[2]