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High-momentum tails as magnetic-structure probes for strongly correlated<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mtext>SU</mml:mtext><mml:mo>(</mml:mo><mml:mi>κ</mml:mi><mml:mo>)</mml:mo></mml:math>fermionic mixtures in one-dimensional traps
A universal ${k}^{\ensuremath{-}4}$ decay of the large-momentum tails of the momentum distribution, fixed by Tan's contact coefficients, constitutes a direct signature of strong correlations in a short-range interacting quantum gas. Here we consider a repulsive multicomponent Fermi gas under harmonic confinement, as in the experiment of G. Pagano et al. …