Sentences with phrase «spacetime geometry»
The equation shows that spacetime geometry equals mass - energy density when adjusted with the proper units and numerical constants.
https://www.sciencenews.org/
Since wormholes are contortions of spacetime geometry — described by Einstein's gravitational equations — identifying them with quantum entanglement would forge a link between gravity and quantum mechanics.
«It is fascinating that the intrinsically quantum phenomenon of entanglement appears to be crucial for the emergence of classical spacetime geometry.»
Perhaps some clever condensed matter physicists could devise two «large shells of matter» that would mimic the properly weird gravitational spacetime geometry needed for the job.
Not exact matches
Almost a century ago, a solar eclipse revealed the geometry of spacetime.
More broadly, it also is a key component of the concept that the geometry of spacetime is curved by the mass density of individual galaxies, stars, planets, and other objects.
Mathematical details of how tensor networks connect entanglement to the geometry of spacetime are beyond the scope of basic blogging.
One, the «geodetic effect,» arises because Earth's mass creates a kind of dimple in spacetime that messes up the usual rules of geometry.
The article, which reflects the work developed under the Thematic Project «Physics and geometry of spacetime,» considers the solutions to the general relativity equations that describe the geometry of the cosmos and then proposes the introduction of a «scale factor» that makes the rate at which the Universe is expanding depend not only on time but also on cosmological scale.
We start with the fuzzy world of quantum geometry, where it is even difficult to say what is time and what is space, yet the phenomena occurring in our cosmological model still look as if everything was happening in ordinary spacetime!
Because mass and energy distort the shape of spacetime, the Euclidean geometry of standard textbooks can't accurately describe it.
On the left side of the equation is a tensor describing the geometry of spacetime — the gravitational field.
A massive object generates a gravitational field by warping the geometry of the surrounding spacetime.
Spacetime appears to be smooth and simply connected, and space has very small mean curvature, so that Euclidean geometry is accurate on the average throughout the Universe.
It will not solve the mystery of what goes on inside the black hole, but will at least verify one of the predictions enshrined in current theory: «General Relativity describes gravity as the geometry or curvature of spacetime.
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