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CriticalZ N spin systems andφ 4 theory (1984)

Socolovsky, M.

Springer

The European physical journal 26 (1984), S. 259-263

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ISSN: 1434-6052

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The continuum limit ofZ N (N≧4) spin systems at the critical point is identified with a two-component massless scalar field with quartic self-interactionf αβγδ φ α φ β φ γ φ δ , withf αβγδ = 1/3 (δ αβ δ γδ +δ αγ δ βδ +δ αδ δ βγ ) ≡S αβγδ forN≧5 andf αβγδ =S αβγδ − 2/3δ αβ δ αγ δ αδ forN=4. The result is based on the study of the two and four-point irreducible correlation functions in the one-loop approximation.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01421763

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