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Leonard Susskind’s The Cosmic Landscape: String Theory and the Illusion of Intelligent Design surveys the new debate clearly and amusingly for the general reader. Susskind, one of the inventors of string theory and a leading advocate of the landscape and multiverse ideas, does an excellent job developing the necessary background in quantum ...
In addition, Susskind has made available video lectures over a range of supplement subject areas including: advanced quantum mechanics, the Higgs boson, quantum entanglement, string theory, and black holes. The full series delivers over 100 lectures amounting to something on the order of 200 hours of content, with some of the individual ...
Leonard Susskind (/ ˈ s ʌ s k ɪ n d /; born June 16, 1940) [2] [3] is an American theoretical physicist, Professor of theoretical physics at Stanford University and founding director of the Stanford Institute for Theoretical Physics. His research interests are string theory, quantum field theory, quantum statistical mechanics and quantum ...
At a cutoff of "the first five elements of the list", the fraction is 2/5; at a cutoff of "the first six elements" the fraction is 1/2; the limit of the fraction, as the subset grows, converges to 1/2. However, if the integers are ordered such that any odd number is followed by two consecutive even numbers, 1, 2, 4, 3, 6, 8, 5, 10, 12, 7, 14 ...
This idea was made more precise by Leonard Susskind, who had also been developing holography, largely independently. Susskind argued that the oscillation of the horizon of a black hole is a complete description [note 2] of both the infalling and outgoing matter, because the world-sheet theory of string theory was just such a holographic ...
The measurement problem in cosmology also grapples with the ratio of normal observers to abnormally early observers. In measures such as the proper time measure that suffer from an extreme "youngness" problem, the typical observer is a "Boltzmann baby" formed by rare fluctuation in an extremely hot, early universe.
[6] [7] [8] If there is a self-interaction a wider mass range is allowed. [9] The uncertainty in position of a particle is larger than its Compton wavelength (a particle with mass 10 −22 eV has a Compton wavelength of 1.3 light years ), and for some reasonable estimates of particle mass and density of dark matter there is no point talking ...
The study of exact solutions of Einstein's field equations is one of the activities of cosmology. It leads to the prediction of black holes and to different models of evolution of the universe . One can also discover new solutions of the Einstein field equations via the method of orthonormal frames as pioneered by Ellis and MacCallum. [ 22 ]