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相关概念视频

The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

53.0K
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 hydrogen spectra.
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Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

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Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
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相关实验视频

Updated: Oct 14, 2025

On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature
07:42

On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature

Published on: March 11, 2022

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多体定位离散时间晶体与可编程的基于自旋的量子模拟器

J Randall1,2, C E Bradley1,2, F V van der Gronden1,2

  • 1QuTech, Delft University of Technology, PO Box 5046, 2600 GA Delft, Netherlands.

Science (New York, N.Y.)
|November 4, 2021
PubMed
概括
此摘要是机器生成的。

研究人员使用量子模拟器观察了离散时间晶体 (DTC), 这一突破证明了强大的时间晶体秩序, 并为探索多体物理开辟了新的途径.

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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

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相关实验视频

Last Updated: Oct 14, 2025

On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature
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On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature

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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

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科学领域:

  • 量子物理学
  • 凝聚物质物理
  • 多体物理学

背景情况:

  • 离散时间晶体 (DTC) 代表了物质的新型不平衡阶段.
  • 他们自发地打破了时间转换对称性.
  • 由疾病引起的多体局部化对于通过防止热化来稳定DTC至关重要.

研究的目的:

  • 观察多体局部化DTC的标志性特征.
  • 用一个量子模拟平台来研究这个奇特的阶段.
  • 证实时间晶体秩序的稳定性和特征.

主要方法:

  • 采用一个量子模拟平台, 使用可单独控制的碳-13核旋转.
  • 证明了长时间的周期倍振动.
  • 验证了这些振荡的稳定性对于通用的初始状态.

主要成果:

  • 观察到多体定位离散时间晶体的明确特征.
  • 在多体光谱中确认了特征性的时间晶体秩序.
  • 结果与实现失衡的Floquet阶段一致.

结论:

  • 成功实现并观察了多体定位的离散时间晶体.
  • 介绍了一个可编程的固态自旋量子模拟器用于多体物理研究.
  • 这为进一步探索不平衡量子现象铺平了道路.