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Minimal Length Scale Scenarios for Quantum Gravity
Springer Science and Business Media LLC - Tập 16 - Trang 1-90 - 2013
Sabine Hossenfelder
We review the question of whether the fundamental laws of nature limit our ability to probe arbitrarily short distances. First, we examine what insights can be gained from thought experiments for probes of shortest distances, and summarize what can be learned from different approaches to a theory of quantum gravity. Then we discuss some models that have been developed to implement a minimal length...... hiện toàn bộ
Gravitational Lensing from a Spacetime Perspective
Springer Science and Business Media LLC - Tập 7 - Trang 1-117 - 2004
Volker Perlick
The theory of gravitational lensing is reviewed from a spacetime perspective, without quasi-Newtonian approximations. More precisely, the review covers all aspects of gravitational lensing where light propagation is described in terms of lightlike geodesics of a metric of Lorentzian signature. It includes the basic equations and the relevant techniques for calculating the position, the shape, and ...... hiện toàn bộ
Unveiling the Universe with emerging cosmological probes
Springer Science and Business Media LLC - Tập 25 Số 1 - 2022
M. Moresco, L. Amati, Luca Amendola, Simon Birrer, John P. Blakeslee, Michele Cantiello, A. Cimatti, Jeremy Darling, M. Della Valle, M. Fishbach, C. Grillo, Nico Hamaus, D. E. Holz, L. Izzo, Raúl Jiménez, Elisabeta Lusso, M. Meneghetti, Ester Piedipalumbo, Alice Pisani, Alkistis Pourtsidou, L. Pozzetti, Miguel Quartin, G. Risaliti, P. Rosati, Licia Verde
AbstractThe detection of the accelerated expansion of the Universe has been one of the major breakthroughs in modern cosmology. Several cosmological probes (Cosmic Microwave Background, Supernovae Type Ia, Baryon Acoustic Oscillations) have been studied in depth to better understand the nature of the mechanism driving this acceleration, and they are being currently...... hiện toàn bộ
Quasi-Local Energy-Momentum and Angular Momentum in GR: A Review Article
Springer Science and Business Media LLC - Tập 7 - Trang 1-140 - 2004
László B. Szabados
The present status of the quasi-local mass-energy-momentum and angular momentum constructions in general relativity is reviewed. First the general ideas, concepts, and strategies, as well as the necessary tools to construct and analyze the quasi-local quantities are recalled. Then the various specific constructions and their properties (both successes and defects) are discussed. Finally, some of t...... hiện toàn bộ
Gravitational Lensing in Astronomy
Springer Science and Business Media LLC - Tập 1 Số 1 - 1998
J. Wambsganß
Critical Phenomena in Gravitational Collapse
Springer Science and Business Media LLC - Tập 2 - Trang 1-58 - 1999
Carsten Gundlach
As first discovered by Choptuik, the black hole threshold in the space of initial data for general relativity shows both surprising structure and surprising simplicity. Universality, power-law scaling of the black hole mass, and scale echoing have given rise to the term “critical phenomena”. They are explained by the existence of exact solutions which are attractors within the black hole threshold...... hiện toàn bộ
Conformal Infinity
Springer Science and Business Media LLC - - 2004
Jörg Frauendiener
Gravitational Waves from Gravitational Collapse
Springer Science and Business Media LLC - Tập 6 - Trang 1-68 - 2003
Chris L. Fryer, Kimberly C. B. New
Gravitational wave emission from stellar collapse has been studied for more than three decades. Current state-of-the-art numerical investigations of collapse include those that use progenitors with more realistic angular momentum profiles, properly treat microphysics issues, account for general relativity, and examine non-axisymmetric effects in three dimensions. Such simulations predict that grav...... hiện toàn bộ
Searches for continuous-wave gravitational radiation
Springer Science and Business Media LLC - Tập 26 - Trang 1-154 - 2023
Keith Riles
Now that detection of gravitational-wave signals from the coalescence of extra-galactic compact binary star mergers has become nearly routine, it is intriguing to consider other potential gravitational-wave signatures. Here we examine the prospects for discovery of continuous gravitational waves from fast-spinning neutron stars in our own galaxy and from more exotic sources. Potential continuous-w...... hiện toàn bộ
Kilonovae Dịch bởi AI
Springer Science and Business Media LLC - Tập 23 Số 1 - 2020
Brian D. Metzger
Tóm tắtSự hợp nhất của các cặp sao neutron (NS–NS) và sao đen (BH)–sao neutron là các nguồn chính của sóng hấp dẫn (GW) cho LIGO/Virgo nâng cao và các thiết bị phát hiện mặt đất trong tương lai. Vật chất giàu neutron giải phóng từ các sự kiện như vậy sẽ trải qua quá trình bắt neutron nhanh (r-process) và tổng hợp hạt nhân khi nó nở ra vào...... hiện toàn bộ
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