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most citedThe critical exponents of the superfluid transition in He4

270 citations · 1.6k across the 90 of their papers we have counts for

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cond-mat.supr-con2002

Comment on ``Bicritical and Tetracritical Phenomena and Scaling Properties of the SO(5) Theory,'' [X. Hu, Phys. Rev. Lett. 87, 057004 (2001)]

Pasquale Calabrese, Andrea Pelissetto, Ettore Vicari

We show that, in the most general -component theory with symmetry O(n_1)+O(n_2), N=n_1+n_2\geq 3, the O(N)-symmetric fixed point has (at least) three unstable directions: the te…