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Can we observe fuzzballs or firewalls?
Journal of High Energy Physics, 2018 In the fuzzball paradigm the information paradox is resolved because the black hole is replaced by an object with no horizon. One may therefore ask if observations can distinguish a traditional hole from a fuzzball. We give arguments for why the fuzzball
Bin Guo, Shaun Hampton, Samir D. Mathur
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Analysis of water retention in soil horizons of two open trenches on a slope of Serra do Mar, Brazil, susceptible to landslides [PDF]
MATEC Web of Conferences, 2021 This research presents and analyzes the results of Soil Water Characteristic Curves (SWCC) for the soil horizons (A, B and C) of two different trenches (TR3 and TR7) opened along a slope located in the Serra da Mar mountain range, Brazil ...
Perdomo Carolina V. +3 more
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Soil Systems, 2021 Soil calcium depletion has been strongly linked to acidic deposition in eastern North America and recent studies have begun to document the recovery of soils in response to large decreases in acidic deposition. However, increased calcium availability has
Gregory Lawrence +4 more
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Calcination as an alternative method to classify Spodosols on the second categorical level [PDF]
Revista Brasileira de Ciência do Solo, 2020 The classification of Spodosols on the second categorical level (suborder), according to the Brazilian Soil Classification System (SiBCS), is done by observing the colors of genetic horizons in the field.
Daniel Alexandre Heberle +2 more
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The impact of four decades of annual nitrogen addition on dissolved organic matter in a boreal forest soil [PDF]
Biogeosciences, 2013 Addition of mineral nitrogen (N) can alter the concentration and quality of dissolved organic matter (DOM) in forest soils. The aim of this study was to assess the effect of long-term mineral N addition on soil solution concentration of dissolved organic
M. O. Rappe-George +2 more
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Tikrit Journal for Agricultural Sciences, 2022 The aim of the study to estimate soil uniformity and development using B horizon, Three pedons were selected within Nineveh Governorate (Rashedyia, Talafar, and Telkaif), The morphological description was carried out according to the principles followed
Khaled Anwer Khaled, Yusof Hasan Yusof
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Black Hole Polarimetry I. A Signature of Electromagnetic Energy Extraction
The Astrophysical Journal, 2023 In 1977, Blandford and Znajek showed that the electromagnetic field surrounding a rotating black hole can harvest its spin energy and use it to power a collimated astrophysical jet, such as the one launched from the center of the elliptical galaxy M87 ...
Andrew Chael +3 more
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Chaos at the rim of black hole and fuzzball shadows
Journal of High Energy Physics, 2020 We study the scattering of massless probes in the vicinity of the photon-sphere of asymptotically AdS black holes and horizon-free microstate geometries (fuzzballs).
M. Bianchi, A. Grillo, J.F. Morales
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On the Rigidity Theorem for Spacetimes with a Stationary Event Horizon or a Compact Cauchy Horizon [PDF]
, 1998 We consider smooth electrovac spacetimes which represent either (A) an asymptotically flat, stationary black hole or (B) a cosmological spacetime with a compact Cauchy horizon ruled by closed null geodesics. The black hole event horizon or, respectively,
Friedrich, Helmut +2 more
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Ultrahigh energy particle collisions near the black hole horizon in the strong magnetic field [PDF]
, 2014 We consider collision between two charged (or charged and neutral) particles near the black hole horizon in the strong magnetic field B. It is shown that there exists a strip near the horizon within which collision of any two such particles leads to ...
Zaslavskii, O. B.
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