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cond-mat.supr-con2004
Bose-Einstein condensation of magnons
M. Crisan, D. Bodea, I. Tifrea +1
We use the Renormalization Group method to study the Bose-Einstein condensation of the interacting dilute magnons which appears in three dimensional spin systems in magnetic field.…
cond-mat.supr-con2002
Finite - temperature quantum phase transition in d - waves superconductors
M. Crisan, D. Bodea, I. Grosu +1
The zero temperature d - wave superconductor phase transition theory given in the case of T=0 for two - dimensional superconductors (I. Herbut, PRL {\bf 85}, 1532 (2000)) is genera…