quantum of action

简明释义

酌量子

英英释义

例句

1.In a laboratory setting, researchers measure the quantum of action to understand the interactions between light and matter.

在实验室环境中，研究人员测量作用量以了解光与物质之间的相互作用。

2.In quantum mechanics, the quantum of action refers to the fundamental unit of measurement that describes the scale of quantum effects.

在量子力学中，作用量指的是描述量子效应规模的基本测量单位。

3.When discussing energy levels in atoms, the quantum of action helps explain why electrons occupy specific orbits.

在讨论原子中的能量水平时，作用量有助于解释为什么电子占据特定轨道。

4.The concept of quantum of action can be applied to understand phenomena like tunneling in quantum physics.

作用量的概念可以应用于理解量子物理中的隧穿现象。

5.The quantum of action is often represented by Planck's constant, which plays a crucial role in determining the behavior of particles at the atomic level.

作用量通常用普朗克常数表示，它在决定原子级别粒子的行为中起着至关重要的作用。

作文

The concept of quantum of action is pivotal in the field of quantum mechanics, representing a fundamental aspect of how particles behave at the microscopic level. In classical physics, actions are continuous and can be divided infinitely; however, in the quantum realm, actions occur in discrete units. This notion was first introduced by Max Planck in the early 20th century when he proposed that energy is not emitted or absorbed continuously, but rather in small packets called 'quanta'. The quantum of action is often represented by the symbol 'h', known as Planck's constant, which has a value of approximately 6.626 × 10⁻³⁴ Js. This tiny number signifies that the scales of action in the quantum world are incredibly small compared to our everyday experiences.Understanding the quantum of action is essential for grasping various phenomena in quantum physics. For instance, the behavior of electrons in an atom cannot be accurately described using classical physics. Instead, they exist in probabilistic states defined by wave functions. The quantum of action plays a crucial role in determining these probabilities and the transitions between different energy levels within an atom. This leads to the fascinating idea that particles can exist in multiple states simultaneously until they are observed, a phenomenon known as superposition.Moreover, the implications of the quantum of action extend beyond theoretical physics into practical applications. Technologies such as semiconductors, lasers, and even quantum computing rely on principles derived from quantum mechanics. For example, in quantum computing, information is processed using qubits that exploit the superposition and entanglement properties of particles, fundamentally changing how we approach computation.Despite its significance, the quantum of action can be challenging to comprehend due to its counterintuitive nature. It forces us to rethink our understanding of reality and how we perceive the universe. The idea that actions at a microscopic level do not follow the deterministic laws of classical physics is a profound shift in scientific thought. This shift has led to numerous philosophical debates about the nature of reality, observation, and the limits of human knowledge.In conclusion, the quantum of action is a cornerstone of quantum mechanics that reshapes our understanding of the physical world. Its introduction marked a departure from classical ideas, leading to revolutionary advancements in both science and technology. As we continue to explore the depths of quantum physics, the quantum of action will undoubtedly remain a key concept that informs our understanding of the universe and drives innovation in various fields. The journey into the quantum realm is ongoing, and with each discovery, we uncover more about the intricate tapestry of reality that lies beneath the surface of our everyday experiences.

“作用量”这一概念在量子力学领域中至关重要，代表了粒子在微观层面上行为的基本方面。在经典物理中，作用是连续的，可以无限细分；然而，在量子领域，作用以离散单元的形式发生。这个概念最早由马克斯·普朗克在20世纪初提出，他提出能量不是连续释放或吸收的，而是以称为“量子”的小包裹形式存在。“作用量”通常用符号'h'表示，称为普朗克常数，其值约为6.626 × 10⁻³⁴ Js。这个微小的数字表明，量子世界中的作用尺度与我们日常经验相比是极其微小的。理解“作用量”对于掌握量子物理中的各种现象至关重要。例如，原子中电子的行为无法用经典物理准确描述。相反，它们以由波函数定义的概率状态存在。“作用量”在决定这些概率和原子内不同能级之间的跃迁中发挥着关键作用。这导致了一个迷人的观点，即粒子可以同时存在于多个状态，直到被观察到，这一现象被称为叠加。此外，“作用量”的影响超越了理论物理，延伸到实际应用。半导体、激光器甚至量子计算等技术依赖于从量子力学派生的原理。例如，在量子计算中，信息使用利用粒子的叠加和纠缠特性处理的量子位（qubit），从根本上改变了我们处理计算的方式。尽管其重要性，“作用量”由于其反直觉的性质而难以理解。它迫使我们重新思考对现实的理解以及我们感知宇宙的方式。在微观层面上，作用不遵循经典物理的确定性法则的想法是科学思想的深刻转变。这种转变引发了关于现实本质、观察和人类知识界限的诸多哲学辩论。总之，“作用量”是量子力学的基石，重塑了我们对物理世界的理解。它的引入标志着对经典观念的背离，导致科学和技术的革命性进步。随着我们继续探索量子物理的深度，“作用量”无疑将继续作为一个关键概念，告知我们对宇宙的理解，并推动各个领域的创新。进入量子领域的旅程仍在继续，随着每一次发现，我们揭示了潜藏在日常体验表面下的现实复杂织锦的更多内容。