Results 61 to 70 of about 6,073,030 (236)

Tidal disruption of white dwarfs by intermediate mass black holes

EPJ Web of Conferences, 2012
Modeling ultra-close encounters between a white dwarf and a spinning, intermediate mass black hole requires a full general relativistic treatment of gravity. This paper summarizes results from such a study.
Bode T., Shcherbakov R.V., Haas R., Laguna P.   +3 more
doaj   +1 more source

Ligand Assisted Epitaxial Growth of CsPbBr3 Microcrystal Resonators With Record ‐Low Lasing Thresholds

Advanced Functional Materials, EarlyView.
Solution‐based ligand‐assisted epitaxial growth (LAEG) yields high‐quality CsPbBr3 microcrystals on different substrates with superior morphology, passivated surfaces, and high photoluminescence quantum yield. These robust micro‐resonators achieve record‐low room‐temperature lasing thresholds of 7.2 kW·cm−2 and maintain operational stability up to 90 ...
Shuyu Zhou, Viktor Rehm, Zijian Peng, Tomáš Hrbek, Anastasia Barabash, Christoph J. Brabec, Berke Özyalin, Yufei Han, Johannes Böhmer, Johannes Will, Erdmann Spiecker, Klaus Götz, Tobias Unruh, Jędrzej Korczak, Tomasz Story, Felix Hilpert, Olaf Brummel, Jörg Libuda, Iva Matolínová, Wolfgang Heiss   +19 more
wiley   +1 more source

Detecting Intermediate-mass Black Holes Using Quasar Microlensing

The Astrophysical Journal
Recent studies suggest that numerous intermediate-mass black holes (IMBHs) may wander undetected across the Universe, emitting little radiation. These IMBHs largely preserve their birth masses, offering critical insights into the formation of heavy black
Zihao Wu, Luis C. Ho
doaj   +1 more source

Hunting for Intermediate-Mass Black Holes Using X-ray and Optical Images of Galaxies [PDF]

, 2021
The existence of stellar-mass and supermassive black holes has been confirmed and their properties investigated for many years now, but the existence of hypothesized black holes with masses between these two ranges, called Intermediate-Mass Black Holes ...
Brunner-Huber, Eli W, Seigar, Marc S
core  

Unified Pressure and Field Response Across Distinct Charge‐Order Regimes in Ti‐Doped CsV3Sb5

Advanced Functional Materials, EarlyView.
We microscopically investigate the interplay between charge order and superconductivity in a kagome superconductor across regimes of long‐ and short‐range charge order. Hydrostatic‐pressure and magnetic‐field μSR$\mu{\rm SR}$ measurements reveal remarkably similar superconducting and normal‐state time‐reversal‐symmetry‐breaking responses in both ...
P. Kral, S.S. Islam, Andrea N. Capa Salinas, J.N. Graham, O. Gerguri, A. Doll, J.A. Krieger, T.J. Hicken, G. Simutis, H. Luetkens, R. Khasanov, S.D. Wilson, Z. Guguchia   +12 more
wiley   +1 more source

Finding Faint Intermediate-Mass Black Holes in the Radio Band [PDF]

Astrophysics and Space Science, 2005
We discuss the prospects for detecting faint intermediate-mass black holes, such as those predicted to exist in the cores of globular clusters and dwarf spheroidal galaxies. We briefly summarize the difficulties of stellar dynamical searches, then show that recently discovered relations between black hole mass, X-ray luminosity and radio luminosity ...
Maccarone, T. J., Fender, R. P., Tzioumis, A. K.   +2 more
openaire   +2 more sources

Magneto‐Ionic Devices With Polymer‐Based Electrolytes

Advanced Functional Materials, EarlyView.
Polymer electrolytes are introduced for magneto‐ionic devices based on hydroxide and hydrogen ions. The magneto‐ionic effect results in a pronounced voltage‐controlled variation of coercivity in both devices. The switching speed is in the range of 100 ms.
Markus Gößler, Richard Weber, Michael Sommer, Karin Leistner   +3 more
wiley   +1 more source

Intermediate-mass black holes in binary-rich star clusters [PDF]

Monthly Notices of the Royal Astronomical Society, 2019
AbstractThree-body interactions of stellar-mass binaries with intermediate mass black holes (IMBHs) in nuclei of globular clusters may produce specific features that may serve as an independent indicator of existence of the IMBHs. By means of direct N-body integrations we follow the dynamical evolution of globular clusters of moderate extension and ...
Ladislav Šubr, Giacomo Fragione, Jörg Dabringhausen   +2 more
openaire   +2 more sources

No Evidence for Accretion around the Intermediate-mass Black Hole in Omega Centauri

The Astrophysical Journal
For over a decade, both theoretical predictions and observational studies have suggested that ω Centauri ( ω Cen), the most massive Milky Way globular cluster, might harbor an intermediate-mass black hole (IMBH).
Angiraben D. Mahida, Arash Bahramian, James C. A. Miller Jones, Susmita Sett, Kristen Dage, Jay Strader, Timothy J. Galvin, Alessandro Paduano   +7 more
doaj   +1 more source

Optically thick winds of very massive stars suppress intermediate-mass black hole formation

Astronomy & Astrophysics
Intermediate-mass black holes (IMBHs) are the link between stellar-mass and supermassive black holes. Gravitational waves have started to unveil a population of IMBHs in the ~100–300 M⊙ range. Here, we investigate the formation of IMBHs from non-rotating
Torniamenti Stefano, Mapelli Michela, Boco Lumen, Simonato Filippo, Iorio Giuliano, Korb Erika   +5 more
doaj   +1 more source