Quantum Coulomb Liquids of Different Rank in the Breathing Pyrochlore Antiferromagnet
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论文研究呼吸焦绿石反铁磁体中由Dzyaloshinskii–Moriya相互作用稳定的rank-1和rank-2 U(1)量子库仑液体，直接对应受挫磁性、量子自旋液体和涌现规范场。
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Author(s): Lasse Gresista, Daniel Lozano-Gómez, Matthias Vojta, Simon Trebst, and Yasir Iqbal A minimal, materials-relevant spin-1/2 model on the breathing pyrochlore lattice, tuned solely by symmetry-allowed Dzyaloshinskii–Moriya interactions, gives robust quantum realizations of both rank-1 and rank-2 U(1) Coulomb liquids. [Phys. Rev. Lett. 137, 066504] Published Tue Aug 04, 2026