The magnetic part of the gauge field forms a condensate close to the planar event horizon. We compare the free energy of a non-Abelian hairy black hole with that of an embedded Reissner-Nordstr\"om-anti-de Sitter (RN-AdS) black hole having the same Hawking temperature and electric charge...
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Definition/Summary The four laws of black hole thermodynamics are as follows...The Zeroth Law Surface gravity (κ) is constant… What is Impedance? A 5 Minute Introduction August 2, 2019 / 0 Comments Definition/Summary The impedance of a load (a combination of components) in an AC current ...
We need to find the value of x, given that x is a power of a prime number. Simplifying the Expression The expression for x is a geometric series. We can simplify it using the formula for the sum of a geometric series: Sum of a geometric series: S = a(1 – r^n) / (1 – r)...
Such hair is predicted in the microscopic quantum description in which a black hole represents a self-sustained leaky Bose-condensate of N 聽 soft gravitons. In this picture the Hawking radiation is the quantum depletion of the condensate. Within this picture we show that quantum black hole ...
In this realm, we apply the equation of motions of $\mathit{f(R)}$ gravity to a spherically symmetric spacetime with two unknown functions and derive original black hole (BH) solutions without any constrains on the Ricci scalar as well as on the form of $\mathit{f(R)}$ gravity. ...
Multi-center non-BPS black holes — the solution We consider a globally hyperbolic, stationary spacetime containing a black hole but no white hole. We assume, further, that the event horizon,, of the black hole is a Killing horizon with compact cross-sections. We prove that if surface ....
This booklet includes 11 problems of increasing difficulty that explore the properties of black holes. Students learn about the relationship between black hole size and mass, time dilation, energy extraction, accretion disks, and what's inside a black hole by working with a series of math problems...
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Notes: [*] June Huh, a mathematician of Korean descent, was awarded the Fields Medal in 2022 for his work in geometry and combinatorics ¹. [§] Manjul Bhargava, a mathematician of Indian descent, won the Fields Medal in 2014 for his work in number theory ². IMO vs Fields June...