The quantum many-body problem is a general name for a vast category of physical problems pertaining to deriving the behavior of multi-particle systems using fundamental quantum-mechanical principles. The goal of many-body physics is to find new principles to describe macroscopic systems, using principles that pertain to microscopic systems.
The quantum many-body problem is a general name for a vast category of physical problems pertaining to deriving the behavior of multi-particle systems using fundamental quantum-mechanical principles. The goal of many-body physics is to find new principles to describe macroscopic systems, using principles that pertain to microscopic systems.
Source: Wikipedia "Many-body problem" · CC BY-SA 4.0
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