Results 131 to 140 of about 1,024,610 (340)

Asymptotic black holes [PDF]

open access: yesClassical and Quantum Gravity, 2017
Following earlier works on the KMY model of black-hole formation and evaporation, we construct the metric for a matter sphere in gravitational collapse, with the back-reaction of pre-Hawking radiation taken into consideration. The mass distribution and collapsing velocity of the matter sphere are allowed to have an arbitrary radial dependence.
openaire   +2 more sources

Inflation and primordial black holes as dark matter [PDF]

open access: green, 1994
P. B. Ivanov, P. Naselsky, I. Novikov
openalex   +1 more source

Band Alignment in In‐Oxo Metal Porphyrin SURMOF Heterojunctions

open access: yesAdvanced Functional Materials, EarlyView.
Porphyrin core metalation in indium‑oxo SURMOFs enables systematic tuning of band edge positions without altering the crystal structure. First‑principles calculations reveal type‑I and type‑II heterostructures as well as multi‑junction energy cascades, establishing a modular strategy for exciton funneling and charge separation in optoelectronic ...
Puja Singhvi, Nina Vankova, Thomas Heine
wiley   +1 more source

The Brightest Point in Accretion Disk and Black Hole Spin: Implication to the Image of Black Hole M87*

open access: yesUniverse, 2019
We propose the simple new method for extracting the value of the black hole spin from the direct high-resolution image of black hole by using a thin accretion disk model.
Vyacheslav I. Dokuchaev   +1 more
doaj   +1 more source

THE LICK AGN MONITORING PROJECT: BROAD-LINE REGION RADII AND BLACK HOLE MASSES FROM REVERBERATION MAPPING OF Hβ [PDF]

open access: bronze, 2009
Misty C. Bentz   +26 more
openalex   +1 more source

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

Phase transition of quantum-corrected Schwarzschild black hole in rainbow gravity

open access: yesPhysics Letters B, 2018
The thermodynamic phase transition of Schwarzschild black hole, after employing a quantum correction to the space–time metric, in the gravity's rainbow is explored.
Shahjalal Md.
doaj   +1 more source

Black-Hole Lattices

open access: yes, 2013
The construction of black-hole lattices, first attempted by Richard Lindquist and John Wheeler in 1957, has recently been tackled with renewed interest, as a test bed for studying the behavior of inhomogeneities in the context of the backreaction problem.
openaire   +4 more sources

Astrophysical black holes

open access: yes, 2015
Published in 2015 as Chapter 1 of 'General Relativity: The most beautiful of theories: Applications and trends after 100 years', Edited by Carlo Rovelli (pub. De Gruyter)
Fabian, Andrew C., Lasenby, Anthony N.
openaire   +2 more sources

On the X-ray time-lags in the black hole candidates [PDF]

open access: green, 2001
O. Kotov, E. Churazov, M. Gilfanov
openalex   +1 more source

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