相关实验视频
Updated: Jun 29, 2025

06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
9.0K
消耗量子动力学的基于人工智能的替代解决方案:普世传播器的基于物理知识的重建
Jiaji Zhang1, Carlos L Benavides-Riveros2, Lipeng Chen1
1Zhejiang Laboratory, Hangzhou 311100, China.
The journal of physical chemistry letters
|March 25, 2024
概括
我们开发了一种新的AI模型,即量子神经传播器,以有效地解决复杂的量子动力学问题. 这种方法避免了漫长的计算,并为长时间模拟量子系统提供了通用工具.
科学领域:
- 量子科学 是一个量子科学.
- 人工智能的人工智能
- 计算物理 计算物理
背景情况:
- 解决消散量子系统的方程是计算密集的.
- 现有的算法通常依赖于昂贵的代方法.
- 目前用于量子动力学的深度学习方法是系统特定的和有限的.
研究的目的:
- 引入基于人工智能的替代模型,以准确有效地模拟量子动力学.
- 克服传统代方案和系统依赖神经网络的局限性.
- 开发一种适用于任何初始量子状态的通用量子传播器.
主要方法:
- 使用福里埃神经运算符参数化量子传播器.
- 通过数据驱动和物理信息损失函数的组合来训练模型.
- 开发一种基于人工智能的替代模型,用于量子动力学.
主要成果:
- 量子神经传播器绕过了耗时的代计算.
- 该模型为在任意时间尺度上演变的量子状态提供了一个通用超级运算器.
- 在计算Fenna-Matthews-Olson复合体的种群动态和时间相关函数中证明了适用性.
结论:
- 量子神经传播器在模拟散射量子动力学方面取得了重大进展.
- 这种人工智能方法为量子模拟提供了一种计算效率高且普遍适用的工具.
- 该方法有望促进量子科学和相关领域的研究.
相关概念视频
Ampere-Maxwell's Law: Problem-Solving
629
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
629
Propagation of Action Potentials
5.7K
The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
5.7K
Ampere's Law: Problem-Solving
3.6K
Ampere's law states that for any closed looped path, the line integral of the magnetic field along the path equals the vacuum permeability times the current enclosed in the loop. If the fingers of the right hand curl along the direction of the integration path, the current in the direction of the thumb is considered positive. The current opposite to the thumb direction is considered negative.
Specific steps need to be considered while calculating the symmetric magnetic field distribution...
Specific steps need to be considered while calculating the symmetric magnetic field distribution...
3.6K
Reconstruction of Signal using Interpolation
195
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
195
The Quantum-Mechanical Model of an Atom
42.3K
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.
42.3K
Propagation of Waves
2.3K
When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
2.3K

