Randomness-Induced Quantum Spin Liquids on Frustrated Lattices

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  • ランダムネスが誘起するフラストレート格子上の量子スピン液体
  • ランダムネス ガ ユウキ スル フラストレート ゴウシ ジョウ ノ リョウシ スピン エキタイ

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Abstract

<p>Experimental quest for the hypothetical “quantum spin liquid” state has recently met several promising candidate materials. We argue that many of these quantum spin liquids, including triangular-lattice organic salts and kagome-lattice herbertsmithite, might be the randomness-induced ones, either of extrinsic origin due to the impurities and defects, or of intrinsic origin spontaneously generated via the coupling between the spin and other degrees of freedom such as the charge. Recent numerical results on the random s=1/2 Heisenberg model on the triangular and kagome-lattices are reviewed. Implications to recent experiments are discussed.</p>

Journal

  • Butsuri

    Butsuri 72 (7), 492-502, 2017-07-05

    The Physical Society of Japan

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