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19962026
most citedEffective Hamiltonian in the Problem of a "Central Spin" Coupled to a Spin Environment

32 citations · 47 across the 7 of their papers we have counts for

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cond-mat.str-el2026

Avoided Stoner instability at a single ordinary Van Hove point

I. S. Tupitsyn, B. Currie, A. V. Chubukov +3

When the Fermi surface and the Brillouin zone boundary touch at a Van Hove point, mean-field analysis predicts a ferromagnetic (Stoner) instability at finite for any coupl…