Results 11 to 20 of about 111,994 (335)

Debating Stephen Hawking’s Thought on Creation of Universe: A Qur’anic Scientific Interpretation Perspective

open access: yesAl Quds: Jurnal Studi Alquran dan Hadis, 2022
Stephen Hawking’s theory “M” posits that the universe was formed without the assistance of God. This paper elaborates the qur’anic position on Hawking’s idea by analyzing the qur’anic scientific interpretation of universe creation.
Deki Ridho Adi   +2 more
doaj   +1 more source

The family dynamics of children on the streets of Ibadan, Southwest Nigeria

open access: yesSouth African Family Practice, 2023
Background: Children roaming the streets estimated at 1 in 10 by a 2021 United Nation Children’s Funds (UNICEF) report is a growing problem, in cities of lower- and middle-income African countries.
Abimbola M. Obimakinde, Moosa Shabir
doaj   +1 more source

Changing the orientation of youths towards street hawking in Ibadan, Nigeria.

open access: yesEuropean Journal of Social Impact and Circular Economy, 2021
Vast majority of youths in developing economy are unemployed and street hawking is a succor to a great number of them for survival. Despite the vital role of street hawking in the livelihoods of youths in a recessed economy, its adverse implications on ...
Ahmed olaitan adebisi   +1 more
doaj   +1 more source

Graviton emission from simply rotating Kerr-de Sitter black holes: Transverse traceless tensor graviton modes [PDF]

open access: yes, 2009
In this article we present results for tensor graviton modes (in seven dimensions and greater, $n\geq 3$) for greybody factors of Kerr-dS black holes and for Hawking radiation from simply rotating (n+4)-dimensional Kerr black holes.
Cho, H. T.   +3 more
core   +2 more sources

Super-Hawking radiation [PDF]

open access: yesJournal of High Energy Physics, 2021
AbstractWe discuss modifications to the Hawking spectrum that arise when the asymptotic states are supertranslated or superrotated. For supertranslations we find nontrivial off-diagonal phases in the two-point correlator although the emission spectrum is eventually left unchanged, as previously pointed out in the literature. In contrast, superrotations
Ferreira, Ricardo Z., Heissenberg, Carlo
openaire   +4 more sources

Hawking Radiation and Ultraviolet Regulators [PDF]

open access: yes, 1995
Polchinski has argued that the prediction of Hawking radiation must be independent of the details of unknown high-energy physics because the calculation may be performed using `nice slices', for which the adiabatic theorem may be used.
B. S. DeWitt   +19 more
core   +3 more sources

Hawking fragmentation and Hawking attenuation in Weyl semimetals

open access: yesPhysical Review Research, 2022
We study black and white hole analogs in Weyl semimetals with inhomogeneous nodal tilts. We study how the presence of a microscopic lattice, giving rise to low-energy fermion doubler states at large momenta that are not present for elementary particles ...
Daniel Sabsovich   +5 more
doaj   +1 more source

Hawkes Graphs

open access: yesSSRN Electronic Journal, 2017
В статье введены понятия графа и остовного графа Хоукса. Эти объекты представляют ветвящуюся структуру многомерного точечного процесса Хоукса в компактном и осмысленном виде. Показано, что словарь теории графов (множество предков, множество родителей, связность, блуждания, веса блужданий, …) весьма удобен для описания многомерных процессов Хоукса ...
Embrechts, P., Kirchner, M.
openaire   +2 more sources

Massive vector particle tunneling from Kerr-Newman-de Sitter black hole under generalized uncertainty principle

open access: yesJournal of High Energy Physics, 2023
The quantum tunneling of charged massive vector boson particles across the event horizon of Kerr-Newman-de Sitter black hole is investigated under the influence of quantum gravity effects.
Yenshembam Priyobarta Singh   +1 more
doaj   +1 more source

The Hawking evaporation process of rapidly-rotating black holes: An almost continuous cascade of gravitons [PDF]

open access: yes, 2015
It is shown that rapidly-rotating Kerr black holes are characterized by the dimensionless ratio $\tau_{\text{gap}}/\tau_{\text{emission}}=O(1)$, where $\tau_{\text{gap}}$ is the average time gap between the emission of successive Hawking quanta and ...
Hod, Shahar
core   +2 more sources

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