quantum of action

简明释义

酌量子

英英释义

例句

1.The quantum of action is a fundamental concept that helps explain the behavior of particles at the atomic level.

作用量是一个基本概念，有助于解释原子级别粒子的行为。

2.In his theory, Planck introduced the idea of quantum of action to explain black-body radiation.

在他的理论中，普朗克引入了作用量的概念来解释黑体辐射。

3.In quantum mechanics, the quantum of action refers to the smallest possible discrete unit of energy transfer.

在量子力学中，作用量指的是能量转移的最小可能离散单位。

4.When calculating the energy levels of an atom, physicists must consider the quantum of action involved.

在计算原子的能级时，物理学家必须考虑所涉及的作用量。

5.The principle of the quantum of action is crucial in understanding wave-particle duality.

作用量的原则对于理解波粒二象性至关重要。

作文

The term quantum of action refers to a fundamental concept in quantum mechanics that quantifies the action of a physical system. In classical mechanics, action is defined as the integral of the Lagrangian over time, which describes how a system evolves. However, in the realm of quantum physics, the quantum of action takes on a more nuanced meaning. It is often represented by Planck's constant (h), which plays a critical role in determining the scale at which quantum effects become significant. This concept challenges our classical intuition, where we perceive action as continuous and deterministic.Understanding the quantum of action is crucial for grasping various phenomena in quantum mechanics, such as wave-particle duality and the uncertainty principle. For instance, when we observe particles at a microscopic level, their behavior does not adhere to the predictable laws of classical physics. Instead, they exhibit probabilistic characteristics that are intrinsically linked to the quantum of action. This means that the very act of measuring a particle’s position or momentum can alter its state, leading to outcomes that are fundamentally unpredictable.Moreover, the quantum of action has profound implications for our understanding of energy levels in atoms. Electrons orbiting a nucleus do not occupy just any energy level; they exist in discrete states determined by the quantum of action. When an electron transitions between these states, it absorbs or emits energy in quantized amounts, which is a cornerstone of atomic theory and explains the emission spectra of elements.In practical terms, the quantum of action is not merely a theoretical construct; it has real-world applications in technologies such as semiconductors, lasers, and quantum computers. These innovations rely on the principles derived from quantum mechanics, including the quantum of action, to function effectively. As we delve deeper into the quantum realm, the implications of this concept continue to expand, leading to new discoveries and advancements.In conclusion, the quantum of action is a pivotal concept that underpins much of modern physics. It bridges the gap between classical and quantum mechanics, offering insights into the behavior of matter and energy at the smallest scales. By embracing the complexities associated with the quantum of action, we can better understand the universe and harness its mysteries for technological progress. The significance of this concept cannot be overstated, as it continues to influence scientific thought and innovation across multiple disciplines.

“作用量”是量子力学中的一个基本概念，用于量化物理系统的作用。在经典力学中，作用被定义为拉格朗日量随时间的积分，描述了系统如何演变。然而，在量子物理的领域中，作用量具有更微妙的意义。它通常用普朗克常数（h）表示，这在决定量子效应变得显著的尺度上发挥着关键作用。这个概念挑战了我们的经典直觉，在经典直觉中，我们将作用视为连续和确定的。理解作用量对于掌握量子力学中的各种现象至关重要，例如波粒二象性和不确定性原理。例如，当我们观察微观水平的粒子时，它们的行为并不遵循经典物理的可预测规律。相反，它们表现出与作用量本质上相关的概率特征。这意味着测量粒子的位置或动量的行为会改变其状态，导致根本上不可预测的结果。此外，作用量对我们理解原子中的能级有深远的影响。围绕原子核旋转的电子并不占据任何能级；它们存在于由作用量决定的离散状态之间。当电子在这些状态之间过渡时，它吸收或发射量子化的能量，这是原子理论的基石，并解释了元素的发射光谱。在实际应用中，作用量不仅仅是一个理论构造；它在半导体、激光器和量子计算机等技术中有着现实的应用。这些创新依赖于从量子力学中衍生出的原则，包括作用量，以有效地运作。随着我们深入量子领域，与作用量相关的意义不断扩展，导致新的发现和进步。总之，作用量是现代物理学的一个关键概念。它弥合了经典力学和量子力学之间的鸿沟，为我们提供了关于物质和能量在最小尺度上行为的洞察。通过拥抱与作用量相关的复杂性，我们可以更好地理解宇宙，并利用其奥秘推动技术进步。这个概念的重要性不容低估，因为它继续影响科学思想和多学科的创新。