One goal of science is to find physical descriptions of nature by studying how basic system components interact with one another. For complex many-body systems, effective theories are frequently used to this end. They allow describing the interactions without having to observe a system on the smallest of scales. Physicists have developed a new method that makes it possible to identify such theories experimentally with the aid of quantum simulators.
from Latest Science News -- ScienceDaily https://ift.tt/2BulyBq
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