Particles and Elementary Excitations
There are analogies in the formulation of quantum field theory (QFT) for elementary particles and of many-body theory for condensed matter systems. On one side photons, gravitons, etc. are identified with the quanta of radiation fields; on the other side phonons, magnons, etc. appear from quantization of collective waves in condensed matter.
KeywordsElementary Excitation Goldstone Mode Nuclear Event Condensed Matter System Cold Fusion
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