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相关概念视频

Quantum Numbers02:43

Quantum Numbers

34.7K
It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
34.7K
Electronic Structure of Atoms02:28

Electronic Structure of Atoms

21.3K

An atom comprises protons and neutrons, which are contained inside the dense, central core called the nucleus, with electrons present around the nucleus. Taking into account the wave–particle duality of electrons and the uncertainty in position around the nucleus, quantum mechanics provides a more accurate model for the atomic structure. It describes atomic orbitals as the regions around the nucleus where electrons of discrete energy exist, characterized by four quantum...
21.3K
The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

36.8K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
36.8K
Atomic Nuclei: Nuclear Spin State Overview01:03

Atomic Nuclei: Nuclear Spin State Overview

938
NMR-active nuclei have energy levels called 'spin states' that are associated with the orientations of their nuclear magnetic moments. In the absence of a magnetic field, the nuclear magnetic moments are randomly oriented, and the spin states are degenerate. When an external magnetic field is applied, the spin states have only 2 + 1 orientations available to them. A proton with = ½ has two available orientations. Similarly, for a quadrupolar nucleus with a nuclear spin value of...
938
Lattice Centering and Coordination Number02:33

Lattice Centering and Coordination Number

9.6K
The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
9.6K
The Aufbau Principle and Hund's Rule03:02

The Aufbau Principle and Hund's Rule

48.1K
To determine the electron configuration for any particular atom, we can build the structures in the order of atomic numbers. Beginning with hydrogen, and continuing across the periods of the periodic table, we add one proton at a time to the nucleus and one electron to the proper subshell until we have described the electron configurations of all the elements. This procedure is called the aufbau principle, from the German word aufbau (“to build up”). Each added electron occupies the...
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相关实验视频

Updated: Jun 28, 2025

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

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在多个量子点系统中定位量子位.

Dayang Li1, Rohan Radhakrishnan1, Nika Akopian1

  • 1DTU Department of Electrical and Photonics Engineering, Technical University of Denmark, Ørsteds Plads Building 343, 2800 Kongens Lyngby, Denmark.

Nano letters
|April 24, 2024
PubMed
概括
此摘要是机器生成的。

研究人员为量子互联网开发了一个量子点平台. 这种新的系统使用定位量子比特和全光学门,展示了高保真性和对抗脱凝的稳定性.

关键词:
光学活性纳米线量子点的量子点.附带的拉曼技术.晶相量子结构的量子结构位置量子比特的位置光学量子控制器的使用方法

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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

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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: Jun 28, 2025

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

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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:

  • 量子计算是一种量子计算.
  • 固态物理 固态物理
  • 量子通信是一种量子通信.

背景情况:

  • 为量子互联网节点开发一个物理平台是一个重大挑战.
  • 现有的量子信息处理方案往往涉及复杂的实验设置.

研究的目的:

  • 为量子互联网节点提出一个新的物理平台.
  • 引入一种简单且实验性可行的量子信息处理方案.
  • 为了证明定位量子比特和全光学量子门的可行性.

主要方法:

  • 利用了多个晶相量子点的系统.
  • 引入并定义了新的位置量子比特.
  • 开发了一种用于构建全光学量子门的通用集的方法.
  • 在现实结构中模拟门性能,结合脱凝源.

主要成果:

  • 定位量子比特显示出对主要脱凝机制的强度.
  • 在现实场景中,模拟的单量子比特网关忠度超过了99.9%.
  • 拟议的方案在概念上简单,在实验上不复杂.

结论:

  • 开发的量子点平台为构建多量子位固态量子寄存器提供了一条清晰的道路.
  • 这个平台具有集成的光子接口,对量子互联网至关重要.
  • 这些发现代表了未来量子互联网的关键组成部分.