Goldstone boson normal coordinates

T Michoel, A Verbeure

Research output: Contribution to journalArticlepeer-review


The phenomenon of spontaneous symmetry breaking is well known. It is known to be accompanied with the appearance of the "Goldstone boson". In this paper we construct the canonical coordinates of the Goldstone boson, for quantum spin systems with short range as well as long range interactions.

Original languageEnglish
Pages (from-to)461-490
Number of pages30
JournalCommunications in Mathematical Physics
Issue number2
Publication statusPublished - Feb 2001


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