Results 71 to 80 of about 4,338,519 (256)

A Holographic Description of Black Hole Microstates [PDF]

, 2022
We review the basic features of black holes in General Relativity, their thermodynamic behaviour and the paradoxes that emerge when one take this behaviour seriously. We introduce string theory and supergravity and black hole physics within string theory.
Rawash, Sami
core  

Configuration‐Encoded Cell Alignment by Light‐Gated Silicon Photovoltaic Microcell Arrays

Advanced Functional Materials, EarlyView.
Light‐gated silicon photovoltaic microcells convert pulsed illumination into localized electrical cues. Arranging otherwise similar microcells into four‐lobed, six‐lobed, or circular patterns directs fibroblasts into corresponding local arrangements without wired stimulation.
Yifan Tao, Ilayda Namli, Joseph Christakiran Moses, Youdi Liu, Suihong Liu, Syed Hasan Askari Rizvi, Yasar Ozer Yilmaz, Ibrahim T. Ozbolat   +7 more
wiley   +1 more source

Bayesian Black Hole Photogrammetry

The Astrophysical Journal
We propose an analytic dual-cone accretion model for horizon-scale images of the cores of low-luminosity active galactic nuclei, including those observed by the Event Horizon Telescope (EHT).
Dominic O. Chang, Michael D. Johnson, Paul Tiede, Daniel C. M. Palumbo   +3 more
doaj   +1 more source

Spectroscopy of quantum-corrected Schwarzschild black hole

Nuclear Physics B, 2019
The quantization of black hole parameters is a long-standing topic in physics. Adiabatic invariance, periodicity of outgoing waves, quantum tunneling, and quasi-normal modes are the typical tools via which the area and the entropy of a black hole are ...
Md. Shahjalal
doaj   +1 more source

Massive Black Hole Science with eLISA [PDF]

, 2015
International audienceThe evolving Laser Interferometer Space Antenna (eLISA) will revolutionize our understanding of the formation and evolution of massive black holes (MBHs) along cosmic history, by probing massive black hole binaries (MBHBs) in the 10(
Holley-Bockelmann, K., Farris, B., Farris, Brian, Sesana, A., Holley-Bockelmann, Kelly, Bellovary, Jillian, Sathyaprakash, Bangalore, Barausse, Enrico, Berti, Emanuele, Berti, E., Sathyaprakash, B., Barausse, E., Bellovary, J., Sesana, Alberto   +13 more
core   +1 more source

A Miniaturized Autonomous Thermomagnetic Generator

Advanced Functional Materials, EarlyView.
Micro, autonomous and high power thermomagnetic generator operating between a heat dissipator and a processor. ABSTRACT Thermomagnetic generators (TMG) are promising devices for converting low‐grade waste heat into electricity. Self‐actuation using permanent magnets is the key to autonomy.
Morgan Almanza, Doan Nguyen Ba, Nesrine Belkadi, Erika Fontana, Jean‐Eudes Duvauchelle, Sukhendu Sadhukhan, Loïc Becerra, Thibaut Devillers, Massimiliano Marangolo, Fabien Parrain, Nora M. Dempsey, Martino LoBue   +11 more
wiley   +1 more source

Quantum effects for black holes with on-shell amplitudes

Journal of High Energy Physics
We develop a framework based on modern amplitude techniques to analyze emission and absorption effects in black hole physics, including Hawking radiation.
Katsuki Aoki, Andrea Cristofoli, Hyun Jeong, Matteo Sergola, Kaho Yoshimura   +4 more
doaj   +1 more source

A Search for Gravitational Waves from Perturbed Black Hole Ringdowns in LIGO Data [PDF]

, 2008
According to General Relativity a perturbed black hole will return to a stable configuration by the emission of gravitational radiation in a superposition of quasi-normal modes. Such a perturbation will occur due to the coalescence of a black hole binary,
Goggin, Lisa Maria
core   +1 more source

Selenium‐Integrated Cyanine Dye With Enhanced Photophysical Properties for Optoacoustic‐Guided Cancer Imaging and Therapy

Advanced Functional Materials, EarlyView.
This study introduces selenium‐integrated cyanine dye (Se‐Cyn), with superior photostability, absorption, and photothermal efficiency, outperforming ICG in NIR window. Its nanoparticle form remains stable in water, accumulates in tumors, and enables strong optoacoustic imaging and effective phototherapy outcomes.
Divyesh Shelar, Snehal Salunkhe, Tony Fröhlich, Uwe Klemm, Pia Anzenhofer, Birgit Rathkolb, Martin Hrabě de Angelis, Oliver Plettenburg, Michael Sattler, Sudesh T. Manjare, Vipul Gujrati, Vasilis Ntziachristos   +11 more
wiley   +1 more source

Reconsidering the black hole final state in Dirac fields

, 2005
We extend Horowitz and Maldacena's proposal about black hole final state to Dirac fields and find that if annihilation of the infalling positrons and the collapsed electrons inside the horizon is considered, then the nonlinear evolution of collapsing ...
Shen, YG, Ge, XH
core   +1 more source