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People all belong to a gender, race, age, and social economic group. These groups provide a powerful source of our identity and self-esteem (Tajfel & Turner, 1979) and serve as our in-groups. An in-group is a group that we identify with or see ourselves as belonging to.
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Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
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The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
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While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
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While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
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非互惠的伊辛格模型

Yael Avni1, Michel Fruchart2, David Martin3

  • 1University of Chicago, James Franck Institute, 929 E 57th Street, Chicago, Illinois 60637, USA.

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非互惠的系统表现出复杂的动态. 这项研究揭示了静态秩序在较低维度是脆弱的,而依赖时间的"交换阶段"在3D中得到稳定,改变了关键行为并创建了一个空间时钟.

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科学领域:

  • 统计力学 统计力学
  • 复杂的系统复杂的系统.
  • 凝聚物质物理学 凝聚物质物理学

背景情况:

  • 具有非互惠相互作用的系统通常显示时间依赖的状态和振荡.
  • 这些状态在杂的,扩展的系统中的稳定性和相位过渡尚未完全理解.

研究的目的:

  • 在空间扩展系统中研究非相互相的稳定性.
  • 在非互惠的伊辛格模型中分析相变的关键行为.
  • 了解这些系统中维度和噪声的作用.

主要方法:

  • 引入了对伊辛格模型的一种非互惠的概括.
  • 采用了分析和大规模的数值模拟.
  • 检查了相位过渡和关键现象.

主要成果:

  • 三个稳定相的平均场预测与模拟结果不同.
  • 静态秩序被有限维度的滴滴增长破坏,除非对称性被打破.
  • 取决于时间的交换阶段在2D中不稳定,但在3D中稳定.
  • 非互惠性在3D中改变了从Ising到XY的关键指数,形成了一个空间时钟.

结论:

  • 非互惠系统中的静态顺序对维度和噪声敏感.
  • 与有限系统相比,热力学极限揭示了不同的行为.
  • 三维非互惠系统表现出独特的关键现象和新兴的空间秩序.