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4 dni temu · The Schwarzschild radius of the Sun is much larger, roughly 2953 meters, but at its surface, the ratio is roughly 4 parts in a million. A white dwarf star is much denser, but even here the ratio at its surface is roughly 250 parts in a million.
2 dni temu · Lorentzian correlators of local operators exhibit surprising singularities in theories with gravity duals. These are associated with null geodesics in an emergent bulk geometry. We analyze singularities of the thermal response function dual to propagation of waves on the AdS Schwarzschild black hole background. We derive the analytic form of the leading singularity dual to a bulk geodesic that ...
3 dni temu · In this work, we derive a novel black hole solution surrounded by a Dehnen- (1,4,0) type dark matter halo by embedding a Schwarzschild black hole within the halo, constituting a composite dark matter-black hole system.
3 dni temu · within this radius, the total flux from the lens – defined a µ= |F−1|2 – is of order µ∼κ2 1 ν 3 p ν2s4/(1 + ν2s4). In the limit that νs2 ≫1, we obtain µ ∼κ2 1 ν 3, which is simply the diffractive flux for a one-dimensional Gaus-sian lens. This condition is equivalent to ℓ 2 ≳ r F, where r F = q λd/(1 + z l) is the ...
4 dni temu · PDF | In this work, we derive a novel black hole solution surrounded by a Dehnen-(1,4,0) type dark matter halo by embedding a Schwarzschild black hole... | Find, read and cite all the research you ...
5 dni temu · What is the Schwarzschild radius of a black hole? A) The distance from its singularity to the point where any object entering will gain energy before leaving again B) The distance from its singularity to the point where nothing can escape from the black hole C) The distance from its singularity to the point where the X rays are seen to ...
5 dni temu · For a Schwarzschild black hole, a velocity of 0.5c boosting towards the black hole, and a starting position of $(0, 5, 0, 0)$, you end up with this From the front and back. Notice that we blueshift in the direction of travel, and see a redshift in the opposite direction.
