Black holes

... than 2GM — black holes. (We’ll use the term black hole” for the moment, even though we haven’t introduced a precise meaning for such an object.) 7 THE SCHWARZSCHILD SOLUTION AND BLACK HOLES 182 One ... = 0 is a timelike line, as in the other cases. So 7 THE SCHWARZSCHILD SOLUTION AND BLACK HOLES 207 for this black hole you can again avoid the singularity and continue to move to...

Ngày tải lên: 23/10/2013, 20:20

... blkhlphy 86 Black Holes, Information, a nd the String Theory Revolution Singularity Message Information A B C Fig. 9.3 Information exchange from External to infalling observer Consider a black hole, ... into the black hole. We don’t actually need observer B to decode the information. All we really need is a mirror outside the black hole horizon to reflect the Hawking radiation back in...

Ngày tải lên: 19/01/2014, 13:57

... and black holes. Chris Oxlade, The Mystery of Black Holes. Crystal Lake, IL: Heineman Library, 1999. One of the better books about black holes written for young readers. Paul P. Sipiera, Black Holes. ... Black Holes, Wormholes, and the 10 th Dimension,” n.d., Cosmology Today. www.flash.net. “A New Class of Black Holes, ” April 13, 1999, NASA. http://science. nasa.gov. “New...

Ngày tải lên: 19/01/2014, 13:58

... sound waves. Light rays always travelled in straight lines (the bending of light due 79 BLACK HOLES, WORMHOLES & TIME MACHINES TIME 5 TIMES ARE CHANGING 111 What is time? • Who invented time? ... (probably without much success) for a sort of Stephen Hawking-meets-Terry Pratchett. ix BLACK HOLES, WORMHOLES & TIME MACHINES Many scientists would argue that difficult subjects like Ei...

Ngày tải lên: 17/03/2014, 14:01

... monographies [2] and [3] cover various aspects of black hole physics in great detail. 3 Black holes in supergravity We now turn to the discussion of black holes in the supersymmetric extension of gravity, ... picture o f black holes. 3.1 The extreme Reissner-Nordstrom black hole Before discussing sup e rsymmetry we will collect several special properties of extreme Reissner-No...

Ngày tải lên: 18/04/2014, 15:27

... a 5-dimensional black hole and four kinds of charges for a 4-dimensional black hole. 22 Das & Mathur 5 THE FIVE-DIMENSIONAL BLACK HOLE IN TYPE IIB THEORY The simplest black holes of this type ... e-mail: mathur@mps.ohio-state.edu KEYWORDS: black holes, information loss, string theory, D-branes, holography ABSTRACT: We review recent progress in our understanding of the physics...

Ngày tải lên: 18/04/2014, 15:30

... accepting losses • Financial system needs more freedom Avoiding liquidity black holes Average number of Liquidity Black Holes per quarter Change from the last bubble to the previous FTSE 100 ... liquidity • Liquidity is not one number • Liquidity is variable and this matters Liquidity Black Holes 0 10 20 30 40 50 60 78 Q1 79 Q1 80 Q1 81 Q1 82 Q1 83 Q1 84 Q1 85 Q1 86 Q1 87 Q1...

Ngày tải lên: 23/04/2014, 21:41

... eyes; but I warrant you, when first we met he was more ready. I am all black and blue, wench; trust me never, if I be not black and blue! And now," she continued, "have ye said your ... with interest, with pain, and at length with amusement, your unavailing attempts to peruse THE BLACK ARROW; and I think I should lack humour indeed, if I let the occasion slip and did not place...

Ngày tải lên: 05/11/2012, 16:28

... folklore of Black Donald can be found through appropriate research and although this story is based on that folklore, it bears no resemblance to any actual events associated with Black Donald ... called many names, but one seemed to be favoured above all others; Black Donald. “Come on, open up, I only wanna be yer friend,” Black Donald said with a cheery voice. Truth be known, he...

Ngày tải lên: 06/11/2012, 16:13

... minute passed. His eyes started to swim, as he stared into the blackness. Then it was real. A figure, crouching, moved from the blackness, and crossed through two large rain puddles, leaving ... Not a light out there, only palm trees and exotic shrubbery close by, quickly blending into a blackness. It was this man's turn, tonight, to stand out here, and wait. As it was every nig...

Ngày tải lên: 06/11/2012, 16:13