i've read that quantum field theory can be applied to condensed matter physics but i don't understand how: quantum field theory is the union of SR with QM but how is SR related to condensed matter physics? i understand that quantum field theory would be useful because it can describe many-particle systems but i've read about it being applied to the thermodynamics of solids at temperatures near absolute zero - how could SR possibly be related to this?(adsbygoogle = window.adsbygoogle || []).push({});

someone please help me understand

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# Application of quantum field theory to condensed matter physics

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