Tzimtzum II — Collapse of the Wave Function

In the first installment on Tzimtzum (see “Physics of Tzimtzum I — The Quantum Leap”), we gave a general overview of the mystical doctrine of Tzimtzum—the cornerstone of the Lurianic Kabbalah. It is time to get into the details. The first phrase that describes the process of Tzimtzum states: Ein Sof “contracted” (tzimtzum) Himself in the point at the center, in the very center of Ohr Ein Sof. (Etz Chaim, Heichal A“K, 2) This sentence raises several difficult questions: 1.   What could it possibly mean that the Infinite (Ein Sof) “contracted” (tzimtzum) Himself? In Hebrew, the word tzimtzum comes from the root tzom, which means “to diminish” or to “fast,” i.e., to “diminish” oneself.[1] It can also mean “to be precise,” i.e., to remove ambiguity.[2] The repetition of this root is a grammatical form [...]