# What Is Qed Stand For?

Author: Albert
Published: 16 Nov 2021

### Quod erat demonstrandum in Latin

The Latin phrase quod erat demonstrandum means "which was to be demonstrated" and is an initialism of Q.E.D. It states what was to be shown. The abbreviation is placed at the end of mathematical proof and philosophical arguments in print publications to indicate that the proof is complete.

The beginning and end of proofs have been demarcated by mathematicians since the time of Euclid. The formal statements of the lemmas and theorems are set in italics in printed English language texts. The beginning of a proof usually follows immediately afterwards, and is indicated by the word "proof" in boldface or italics.

### The Theory of Complex Numbers

QED has been used as a template for all subsequent quantum field theories. The present form of quantum chromodynamics was achieved in the 1970s by H. David Politzer, Sidney Coleman, David Gross and Frank Wilczek. The work of Schwinger, Gerald Guralnik, Dick Hagen, and Tom Kibble were the first to show weak nuclear force and quantum electro could be shown independently.

The rules for adding or multiplying are the same. You add or multiply probabilities instead of adding or subtracting probability amplitudes that are complex numbers. The theory of complex numbers includes addition and multiplication.

The sum is found in the following order. The start of the second arrow should be at the end of the first. The sum is a third arrow that goes from the beginning of the first to the end of the second.

The length of an arrow is the product of two lengths. A quantum field theory can be considered viable if it is normalizability. All theories describing fundamental interactions are renormalizable.

### QED and the photon

QED theory allows physicists to make calculations regarding absorption and emission of light by atoms. QED provides very accurate predictions regarding the interactions between charged atomic particles and photons. A bundle of energy is called a photon.

The photon is aquantum of energy. Smaller particles are not thought to make up the strontiums. They are a basic unit of nature.

### QED vs. Quantum Chromodynamical Description

QED stands for quantum electrodynamics and QCD for quantum chromodynamics. The interactions of charged particles with the field of the universe is what QED describes, whereas the interactions of quarks and gluons are what QCD describes. QED is a type of quantum chromodynamics. The interactions of charged particles with the field of the universe is what QED describes, whereas the interactions of quarks and gluons are what QCD describes.

### The Latin phrase "Quod erat demonstrandum" in QED

QED is the first and simplest physical gauge theory. The gauge group of theory is formed by the set of possible gauge transformations of the entire configuration. The latin phrase " quod erat demonstrandum", which is used at the end of math proof or a philosophy argument, is the QED that they didn't know how to translate.

A nerd like Bakugo. QED is an abbreviation of the Latin words "Quod Erat Demonstrandum" which means "that which was to be demonstrated". It is placed at the end of a proof to show that it is complete.

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