In physics, the graviton is a hypothetical elementary particle that mediates the force of gravitation in the framework of quantum field theory. If it exists, the graviton is expected to be massless (because the gravitational force appears to have unlimited range) and must be a spin-2 boson. The spin follows from the fact that the source of gravita...
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http://en.wikipedia.org/wiki/Graviton
postulated quantum that is thought to be the carrier of the gravitational field. It is analogous to the well-established photon of the ... [3 related articles]
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http://www.britannica.com/eb/a-z/g/61
The boson that is believed to act as the exchange particle for the gravitational force. If it exists, the graviton must be massless since the gravitational force has unlimited range and must have a spin of 2 because gravity is a second-rank tensor field.
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http://www.daviddarling.info/encyclopedia/G/graviton.html
The as-yet unobserved spin-two particle that carries gravity.
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The carrier particle of the gravitational interactions; not yet directly observed.
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A theoretical particle carrying the force of gravity.
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The carrier particle of the gravitational interactions; not yet directly observed.Graviton DecouplingAn epoch, early in the life of the universe, in which a density was reached such that gravitons no longer constantly interacted with other particles. The gravitons became free to travel large distances, unhindered.
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In physics, the gauge boson that is the postulated carrier of the gravitational force
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