### What does **propagator** mean?

# Definitions for propagator

prop·a·ga·tor

#### This dictionary definitions page includes all the possible meanings, example usage and translations of the word **propagator**.

### Princeton's WordNet

propagatornoun

someone who propagates plants (as under glass)

propagator, disseminatornoun

someone who spreads the news

### Wiktionary

propagatornoun

A person who disseminates news or rumour

propagatornoun

A person who propagates plants

propagatornoun

A covered, sometimes heated container for germinating seeds or raising seedlings

propagatornoun

A function that represents the quantum propagation of a subatomic particle

### Samuel Johnson's Dictionary

Propagatornoun

**Etymology:**from*propagate.*Socrates, the greatest

*propagator*of morality, and a martyr for the unity of the Godhead, was so famous for this talent, that he gained the name of the Drole.*Addison.*

### Wikipedia

Propagator

In quantum mechanics and quantum field theory, the propagator is a function that specifies the probability amplitude for a particle to travel from one place to another in a given period of time, or to travel with a certain energy and momentum. In Feynman diagrams, which serve to calculate the rate of collisions in quantum field theory, virtual particles contribute their propagator to the rate of the scattering event described by the respective diagram. These may also be viewed as the inverse of the wave operator appropriate to the particle, and are, therefore, often called (causal) Green's functions (called "causal" to distinguish it from the elliptic Laplacian Green's function).

### ChatGPT

propagator

In physics, particularly in the field of quantum mechanics, a propagator is a mathematical function or operator that gives the probability amplitude for a particle to move from one place to another in a certain period of time, considering both its velocity and direction of movement. It describes the behavior of quantum particles when they evolve over time. The propagator is used in theories such as quantum electrodynamics and quantum field theory.

### Webster Dictionary

Propagatornoun

one who propagates; one who continues or multiplies

**Etymology:**[L.: cf. F. propagateur.]

### Wikidata

Propagator

In quantum mechanics and quantum field theory, the propagator gives the probability amplitude for a particle to travel from one place to another in a given time, or to travel with a certain energy and momentum. Propagators are used to represent the contribution of virtual particles on the internal lines of Feynman diagrams. They also can be viewed as the inverse of the wave operator appropriate to the particle, and are therefore often called Green's functions.

### Matched Categories

### Numerology

Chaldean Numerology

The numerical value of propagator in Chaldean Numerology is:

**7**Pythagorean Numerology

The numerical value of propagator in Pythagorean Numerology is:

**1**

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## Translations for **propagator**

### From our Multilingual Translation Dictionary

- داعيةArabic

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"propagator." *Definitions.net.* STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/propagator>.

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