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相关概念视频

The Quantum-Mechanical Model of an Atom02:45

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing...
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Following the work of Ernest Rutherford and his colleagues in the early twentieth century, the picture of atoms consisting of tiny dense nuclei surrounded by lighter and even tinier electrons continually moving about the nucleus was well established. This picture was called the planetary model since it pictured the atom as a miniature “solar system” with the electrons orbiting the nucleus like planets orbiting the sun. The simplest atom is hydrogen, consisting of a single proton as...
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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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Orbitals are the areas outside of the atomic nucleus where electrons are most likely to reside. They are characterized by different energy levels, shapes, and three-dimensional orientations. The location of electrons is described most generally by a shell or principal energy level, then by a subshell within each shell, and finally, by individual orbitals found within the subshells.
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在瑞德伯格模拟器中,超出PXP模型的量子多体痕.

Aron Kerschbaumer1, Marko Ljubotina1,2,3, Maksym Serbyn1

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此摘要是机器生成的。

量子多体痕 (QMBS) 在新的模型中被发现,这些模型是PXP模型的概括. 这些QMBS表现出振荡动态,并且需要特定的初始状态在Rydberg原子模拟器中进行观测.

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科学领域:

  • 量子物理学的量子物理学
  • 多体系统是多体系统.
  • 原子物理 原子物理

背景情况:

  • 量子多体痕 (QMBSs) 是量子哈密尔顿的非热固有状态.
  • 在Rydberg原子模拟器中观察到QMBS,特别是在PXP模型中.
  • 不同模型中的QMBS的流行和物理实现仍然是活跃的研究领域.

研究的目的:

  • 在PXP模型之外的更广泛类型模型中调查QMBS的存在和属性.
  • 将QMBS的概念概括为包括更长距离的相互作用和不同的周期性.
  • 在这些通用模型中探索观察QMBS的条件.

主要方法:

  • 纳入更长范围约束的通用模型的理论研究.
  • 分析与不同QMBS家族相关的近似 su(2) 代数.
  • 从各种初始状态启动的量子力学模拟,包括微弱纠的状态.

主要成果:

  • 证明QMBS存在于一个更广泛的模型家族中,这些模型概括了PXP模型.
  • 识别了多个QMBS家族,每一个都与一个不同的近似 su(2) 代数有关.
  • 在这些模型中观察到QMBS特征的振荡动态.
  • 在这些通用模型中观察QMBS需要弱交错的初始状态,与PXP模型不同.

结论:

  • QMBS比以前认为的更为常见,存在于更广泛的物理模型中.
  • 这些发现提供了一个理论框架,用于在具有更长距离交互的系统中探索QMBS.
  • 实验验证这些QMBS是可行的,使用Rydberg原子模拟器与更长距离的Rydberg封锁.