
Review of Short Phrases and Links 
This Review contains major "Gravitons" related terms, short phrases and links grouped together in the form of Encyclopedia article.
Definitions
 Gravitons, the bosons believed to mediate the gravitational interaction, are not accounted for in the Standard Model.
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 Gravitons are postulated simply because quantum theory has been so successful in other fields.
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 Gravitons are practically impossible to detect experimentally, because the gravitational force is so weak compared to the other forces.
 Gravitons are hypothetical particles not yet observed.
 Gravitons (and gauge bosons) are actual measurable particles.
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 Gravity and black holes have been observed but spin2 gravitons and the detailed properties of black holes aren’t empirically confirmed.
 This is not the case with the spin2 gravitons in general.
 LIGO and VIRGO). Although these experiments cannot detect individual gravitons, they might provide information about certain properties of the graviton.
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 Gravitons interact with spacetime as they make their way through the universe, and as they interact with spacetime as well as the matter embedded on it.
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 The electron and its heavy cousins the neutrinos, the quarks, photons, gravitons, and so on.
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 These are able to produce gravity by interacting with the the Higgslike vacuum field, due to the tremendous flux of gravitons involved.
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 In that case, the description in terms of gravitons serves as a lowenergy effective theory.
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 Gravity may turn out to be delivered via the action of hypothetical particles called gravitons, but so far there is no proof of their existence.
 When gravitons (in fact color charge) reach the earth, the earth absorbs them.
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 Gravitons should be massless and have no electric charge or color charge.
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 As photons are emitted in the form of gravitons from a particle, they cause a little push (i.e.
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 Unlike LeSage Gravity, Shifting Theory interactions between gravitons and particle are elastic  there is no loss of energy.
 Both forces may be visualized as an exchange of intermediate, virtual particles  photons or gravitons.
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 In the extra dimensional scenario, standard model particles are bound too our submanifold whereas the gravitons are allowed to enter all dimensions.
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 To date, gravitons have not been detected and no theories of quantum gravity have been successful or universally adopted.
 Other approaches to quantum gravity are needed, and they might not describe static fields with virtual gravitons.
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 Gravity is excluded from the Standard Model  gravitons have never been observed.
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 In [ 125] Junichi Iwasaki and Rovelli studied the representation of gravitons in loop quantum gravity.
 String theorists also predict the existence of gravitons.
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 String theory also predicts the existence of gravitons.
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 Give the guy credit, string theory predicts a landscape 10^500 different theories, all including spin2 gravitons.
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 Hence, they assume that gravity is due to exchange of gravitons between masses (quantum gravity charges).
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 There is no reason, in any case, why gravitons are not being exchanged with the rest of the masses in the universe.
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 There is really no longrange gravity over distances where redshift of light is extreme, because the masses are receding and gravitons are redshifted.
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 The force between the Earth and it's moon is generated by a flood of virtual gravitons being exchanged between the two bodies.
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 Gravitons should share many characteristics with photons because, like electromagnetism, gravitation is a longrange force that gets weaker with distance.
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 The gravitational field is formed by gravitons that are moving toward the earth and they are interacting with each other.
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 In a gravitational field, when a photon shifts to blue, gravitons convert to energy.
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 In quantum mechanics the gravitational field is said to be conveyed by quanta called gravitons.
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 In this framework, the gravitational interaction is mediated by gravitons, instead of being described in terms of curved spacetime as in general relativity.
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 Gravitons don't exist in general relativity, because GR is not a quantum theory.
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 Gravitational waves may be viewed as coherent states of many gravitons, much like the electromagnetic waves are coherent states of photons.
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 However, experiments to detect gravitational waves, which may be viewed as coherent states of many gravitons, are already underway (e.g.
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 In practice, gravitational waves would consist of apparently continuous streams of gravitons, and individual gravitons could not be detected.
 These fields may be excited and the excitations behave as real particles  photons and gravitons.
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 In a theory of quantum gravity there would be gravitons; particles of pure geometry.
 Thank you for saying that gauge bosons like gravitons are not hidden variables but real particles.
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 The 96% missing, dark matter is really the ST field of photons (both ordinary and resonatematter), gravitons and Higgs bosons.
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 Most importantly, string theorists were delighted to find that string theory necessarily contains gravitons, the particle that causes gravity.
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 Electromagnetism is carried by photons, while gravity is believed to be carried by gravitons, although these have not yet been discovered.
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 Predicted by quantum theory of gravity, gravitons have not yet been detected.
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 Gravitons The fourth fundamental interaction, gravity, may also be carried by a boson, called the graviton.
 According graviton has spin, so gravitons are color charge or color magnet.
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 If we have a a graviton that is emitted by masses, that would imply that masses have gravitons within them to start with.
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 The weak: interaction is carried by the bosons that, unlike photons and gravitons, have large masses.
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 Over very long distances in an expanding universe, these gravitons will presumably be redshifted like any other bosons (e.g.
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 So in our world, photons, which are a type of boson, carry force, W and Z particles carry force, and things called gravitons and gluons also carry force.
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 Like photons, vector bosons, and gravitons  the carriers respectively of electromagnetism, the weak force, and gravitation  gluons are massless bosons.
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 Photons mediate the electromagnetic force (photons also transmit light), and gravitons mediate gravity.
 Interestingly, the force of gravity is not due to open strings; the gravitons which carry gravitational forces are vibrational states of closed strings.
 The gravitational force between the sun and the earth is ascribed to the exchange of gravitons between the particles that make up these two bodies.
 In such a theory, the particles that carry the gravitational force would be called gravitons.
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 Intermediate vector bosons mediate the weak force, gluons mediate the strong force, and gravitons mediate the gravitational force.
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Gravitons
 Bosons transmit such forces as photons, gravitons, W and Z particles, mesons, and gluons.
 It has a limited range because gluons have mass (unlike the photons which carry the electromagnetic force, or the gravitons which carry gravity).
 So the whole problem for quantum gravity has been renormalization, assuming that gravitons do indeed cause gravity (they're unobserved).
Categories
 Gravitational Force
 Photons
 Graviton
 Gravity
 Higgs Bosons

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