The Theory Behind Quantum Mechanics

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Whether you're a student or an engineer, you've most likely encountered quantum mechanics at some point. In fact, you've probably even used quantum mechanics to create computers. This article discusses the theory behind quantum mechanics and what it can do. It also covers some important topics, including Entanglement, Dirac's equations, and Bohr's theory.

Bohr's theory

During the early twentieth century, Niels Bohr developed a theory that would mark a major transition from classical mechanics to quantum mechanics. His theory explained how light is produced and how electrons move around the nucleus of an atom. It also attempted to explain all the quantum phenomena that we've observed up to this point.

Bohr's theory of electrons moving around the nucleus of an atom was not perfect. It did not account for the fact that electrons are also waves. It also failed to explain the fine and hyperfine structure in spectral lines. It also failed to explain the Zeeman Effect. It also did not explain the atomic spectra of larger atoms.

Despite these shortcomings, Bohr's model is still useful in explaining some of the most important quantum phenomena. It can be applied to the hydrogen atom, but it does not explain the atomic spectra of larger atoms.

Dirac's equations

Originally called "Dirac's equation," the equation is one of the most important discoveries of fundamental physics. It has helped scientists to further the application of Einstein's theory of relativity and quantum mechanics. It also describes the behavior of electrons and positrons.

The equation is a relativistic wave equation that defines the behavior of electrons. The equation also accounts for the valency properties of atoms. Specifically, electrons and positrons can have either a positive or negative charge. They can also change states, in particular, from one spin state to the other.

Dirac's equation explains a number of other properties, including entanglement, a continuing effect that a system has on another after it is separated. It is also one of the most important equations in quantum mechanics.

Planck's quantum explanation for light

During the early 1900s, German physicist Max Planck proposed a quantum theory of light. The concept of light as quanta of energy, also known as photons, would eventually become the foundation of quantum mechanics. Planck's quantum theory is a major breakthrough in experimental physics.

Max Planck's law is a fundamental component of quantum theory. It includes a new, fundamental constant of nature, h. Planck's constant is related to the frequency of light, and it describes the way light is conserved by an electromagnetic field. Planck's law is also known as the Maxwell-Boltzmann distribution. Planck's law also includes temperature in kelvin, and it describes how the frequency of radiation is inversely proportional to the wavelength for a given temperature.

In 1900, Max Planck developed a theory of quantum energy. He derived the law from a thermodynamic model of energy. Planck believed it would be useful to consider light as particles instead of waves. In doing so, Planck assumed that energy at the subatomic level could only be transferred in discrete packets called quanta.


Despite the fact that scientists have been able to measure many of the properties of quantum systems, they have not been able to completely quantify the elusive quantum entanglement. This remains one of the most difficult problems in quantum mechanics.

Quantum entanglement occurs when two particles are correlated and can't be separated. Usually, this occurs because of direct interactions between subatomic particles. However, it can also occur if a group of particles interacts.

Quantum entanglement can be a powerful resource for dense coding and teleportation. It is also said to be responsible for many of the quantum information processing advantages over classical systems.

There are many different ways to generate entangled photons. One of the most common methods is the spontaneous parametric down-conversion of photons. This process involves trapping electrons in quantum dots until decay occurs.

Computers run on quantum mechanics

Unlike classical computers, which are limited to just one value, quantum computers are able to store and process millions of states of information at the same time. They are based on the principle of superposition, which states that a quantum system can exist in several quantum states at the same time.

Quantum computers are currently under development by several prominent companies, including IBM, Google, and D-Waves Systems. Their goal is to solve problems that are beyond the capabilities of classical computers. This includes solving the problem of a tour of 1000 islands. Moreover, these companies are hoping that quantum computing will help them develop better batteries for electric vehicles.

Quantum computers use photons and electrons to store and process information. They are based on the principles of quantum theory, which explains how material and energy behave. It also helps researchers build quantum-mechanical simulations of advanced materials.

November 28, 2022




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