1961
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2 days ago · Non-rotating charged black holes are described by the Reissner–Nordström metric, while the Kerr metric describes a non-charged rotating black hole. The most general stationary black hole solution known is the Kerr–Newman metric, which describes a black hole with both charge and angular momentum.
5 days ago · Christodoulou’s formulation of Strong Cosmic Censorship (SCC) holds true for Kerr-de Sitter black holes. On the other hand, Reissner-Nordström-de Sitter black holes violate SCC. We do a detailed scan of the parameter space of Kerr-Newman-de Sitter black holes between these two limiting families, to identify the boundary that marks the transition between solutions that respect and violate ...
5 days ago · In the past few years, different approaches/techniques have been developed to identify and manipulate magnetism and magnetic interactions of atomically thin 2D vdW magnets, including magneto-optic Kerr microscopy, [1, 2] single-spin microscopy, Raman spectroscopy, second-harmonic generation, spin-polarized scanning tunneling microscopy, electrostatic doping, [6-8] pressure, circularly ...
2 days ago · In 1967, the unusual title Physics Physique Физика caught the attention of John Clauser, who then discovered Bell's paper and began to consider how to perform a Bell test in the laboratory. Clauser and Stuart Freedman would go on to perform a Bell test in 1972.
1 day ago · Physics Today ; Acoustical Society ... Theory of all-optical switching based on the Kerr nonlinearity in metallic nanohybrids,” ... John Willey & Sons ...
3 days ago · J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist who served as the director of the Manhattan Project 's Los Alamos Laboratory during World War II.
1 day ago · Quantifying stimulated emission in semiconductor nanocrystals (NCs) remains challenging due to masking of its effects on pump–probe spectra by excited state absorption and ground state bleaching signals. The absence of this defining photophysical parameter in turn impedes assignment of band edge electronic structure in many of these important fluorophores. Here we employ a generally ...
