RuO2 exhibits a leading instability toward commensurate altermagnetic order at low temperatures in the stoichiometric non-magnetic phase according to RPA analysis of susceptibility.
Efficient treatment of two-particle vertices in dynamical mean-field theory
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abstract
We present an efficient and numerically stable algorithm for calculation of two-particle response functions within the dynamical mean-field theory. The technique is based on inferring the high frequency asymptotic behavior of the irreducible vertex function from the local dynamical susceptibility. The algorithm is tested on several examples. In all cases rapid convergence of the vertex function towards its asymptotic form is observed.
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cond-mat.mtrl-sci 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Incipient magnetic instability in RuO$_2$ with random phase approximation
RuO2 exhibits a leading instability toward commensurate altermagnetic order at low temperatures in the stoichiometric non-magnetic phase according to RPA analysis of susceptibility.