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首页> 外文期刊>Physical review >Emergent critical phenomenon in spin-1/2 ferromagnetic-leg ladders: Quasi-one-dimensional Bose-Einstein condensate
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Emergent critical phenomenon in spin-1/2 ferromagnetic-leg ladders: Quasi-one-dimensional Bose-Einstein condensate

机译:自旋1/2铁磁腿梯中出现的紧急临界现象:准一维玻色-爱因斯坦凝聚体

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摘要

We examine the magnetic-field-induced criticality of phase boundary near saturation field H-c in the spin-1/2 ferromagnetic (FM)-leg ladder 3-Cl-4-F-V [=3-(3-chloro-4-fluorophenyl)-1,5-diphenylverdazyl], the predominant interactions of which arise from FM chains (strong-leg type). Critical temperatures were precisely determined through DC magnetization, specific heat, and magnetocaloric effect measurements. The criticality of 3-Cl-4-F-V is characterized by a linear phase boundary with respect to H-c - H near H = H-c. This behavior is similar to that of another strong-leg-type FM-leg ladder. The universal critical behavior in these strong-leg-type FM-leg ladders is expected to demonstrate the theoretically predicted quasi-one-dimensional Bose-Einstein condensation.
机译:我们研究了自旋1/2铁磁(FM)腿形阶梯3-Cl-4-FV [= 3-(3-氯-4-氟苯基)中饱和磁场Hc附近的磁场诱导的临界相-1,5-二苯基verdazyl],其主要相互作用来自FM链(强腿型)。临界温度是通过直流磁化,比热和磁热效应测量精确确定的。 3-Cl-4-F-V的临界度由相对于H-c-H的线性相界表征,接近H = H-c。此行为类似于另一个强腿型FM腿梯的行为。这些强腿型FM腿梯中的普遍临界行为有望证明理论上预测的准一维Bose-Einstein凝聚。

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  • 来源
    《Physical review》 |2019年第5期|054442.1-054442.8|共8页
  • 作者单位

    Osaka Prefecture Univ Dept Phys Sci Osaka 5998531 Japan|Univ Tokyo Inst Solid State Phys Kashiwa Chiba 2778581 Japan;

    Univ Tokyo Inst Solid State Phys Kashiwa Chiba 2778581 Japan;

    Osaka Prefecture Univ Dept Phys Sci Osaka 5998531 Japan;

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