... real world black holes aren’t truly black — they radiate energy as if they were a blackbody of temperature T = h/8πkGM, where M is ¯ the mass of the hole and k is Boltzmann’s constant The derivation ... a white hole into the rest of the universe From here you can choose to go back into the black hole — this time, a different hole than the one you entered in the first place — and repeat the voyage ... spacelike on either side The singularity at r = is a timelike line, as in the other cases So THE SCHWARZSCHILD SOLUTION AND BLACK HOLES 207 for this black hole you can again avoid the singularity...
Ngày tải lên: 23/10/2013, 20:20
An introduction to black holes information and the string theory
... behind the horizon As long as the black hole is present, one can the bookkeeping so that it is the black hole itself which is correlated to the matter outside But eventually the black hole will ... PART Black Holes and Quantum Mechanics Chapter The Schwarzschild Black Hole Before beginning the study of the quantum theory of black holes, one must first become thoroughly familiar with the geometry ... into a black hole There are two viewpoints we can adopt toward the description of the particle’s motion The first is the viewpoint of the Fidos who are permanently stationed outside the black hole...
Ngày tải lên: 19/01/2014, 13:57
The galactic black hole lectures on general relativity and astrophysics
... accurate The evolution and formation of galaxies in a cosmological context is also discussed as well as the relation of their properties to their central black hole The black hole at the center of the ... processes The relation between black holes and bulges 2.4.1 Black hole mass and bulge mass/luminosity 2.4.2 Black hole mass and bulge velocity dispersion References The collapse to a black hole Gernot ... i.e The interior Schwarzschild solution and the TOV equation • • • • • 27 the regularity of the geometry at the origin, the finiteness of the central pressure and density, the positivity of the...
Ngày tải lên: 19/01/2014, 14:03
the quantum physics of black holes and string theory
... of the hole has evaporated (and modifying the metric to reflect the slow decrease of black hole mass) On the lower hypersurface, we have on the left the matter that fell in to make the hole There ... 4-dimensional black hole 22 Das & Mathur THE FIVE-DIMENSIONAL BLACK HOLE IN TYPE IIB THEORY The simplest black holes of this type are in fact 5-dimensional charged black holes Extremal limits of such black ... form a black hole In fact, if the hole has mass M , the order of magnitude of the density required of the matter is ρ∼ M ∼ Rs M (4) Thus, a black hole of the kind believed to exist at the center...
Ngày tải lên: 18/04/2014, 15:30
scientific american - 1993 03 - black holes and the centrifugal force paradox
... black hole The station is a circular tube centered exactly on the path of the circular ray so that the axis of the tube and the path of the ray coincide The astronauts know that the axis of the ... centrifugal force The third tube (c) is very close to the black hole In this case, light rays are curved so much that the tube appears to curve away from the black hole The observer inside the tube would ... moves along the axis of the tube Now if somehow the light rays were not bent by the gravitational ịeld of the black hole (that is, the rays were straight), the lamp would disappear behind the left...
Ngày tải lên: 12/05/2014, 14:49
An introduction to black holes, information and the string theory revolution
... behind the horizon As long as the black hole is present, one can the bookkeeping so that it is the black hole itself which is correlated to the matter outside But eventually the black hole will ... PART Black Holes and Quantum Mechanics Chapter The Schwarzschild Black Hole Before beginning the study of the quantum theory of black holes, one must first become thoroughly familiar with the geometry ... into a black hole There are two viewpoints we can adopt toward the description of the particle’s motion The first is the viewpoint of the Fidos who are permanently stationed outside the black hole...
Ngày tải lên: 26/01/2015, 11:41
The phases of supersymmetric black holes in five dimensions
... — the extremal bi-ring Saturn and then discuss the phase of the non-supersymmetric zero-temperature black holes since the extremal ones are similar to the cases of the supersymmetric black hole ... 1/(2 2) The phase of the BMPV black hole is shown in Figure 3.1 and the horizon area reaches the maximum when the black hole is static Figure 3.1: Dimensionless horizon area aH of BMPV black hole ... extending the success of [45] to rotating black holes with a single independent rotation parameter Later we call the five-dimensional spinning supersymmetric black hole the BMPV black hole In the meanwhile,...
Ngày tải lên: 16/10/2015, 12:00
The Black Arrow
... down the road, with the wind after them, blowing the tails of the parson's cloak; and behind them, as they went, clouds began to arise and blot out the sinking sun They had passed three of the ... overtook the waggons, and with the truncheon of a sword, began to cut the drivers down Some leaped from their places and plunged into the wood; the others he sabred as they sat, cursing them the while ... forward, and the other once more followed him The blackness grew thicker and thicker Only here and there, in open places, they saw the sky, dotted with small stars In the distance, the noise of the rout...
Ngày tải lên: 05/11/2012, 16:28
The Black Swan - Nassim Taleb
... Narrative and Therapy To Be Wrong with Infinite Precision Dispassionate Science The Sensational and the Black Swan Black Swan Blindness The Pull of the Sensational The Shortcuts Beware the Brain ... unexpected the success of such a venture, the smaller the number of competitors, and the more successful the entrepreneur who implements the idea The same applies to the shoe and the book businesses—or ... lic origin—they sat together with other prisoners of the past and spoke about the old country, and ate their traditional food while some of their folk music played in the background They continuously...
Ngày tải lên: 15/11/2012, 16:57
10 minute toughness the mental training program for winning before the game begins
... Then the researches invited the crew of a popular television show to come in, with all the lights and cameras, and record the goings-on for the whole world to view Again, the heart rates of these ... call this the paradox of the product goal The paradox of the product goal is that the more you think about your product goals in competition, the further you are from achieving them The mistake ... onto the faces of the players and coaches in the St Louis Cardinals' dugout as the bottom of the eighth inning began at Busch Stadium It was September 30, 2006, just one day before the end of the...
Ngày tải lên: 05/08/2013, 09:14
The Black Cat and other stories
... until the minute-hand on the clock came up to the hour And then, when they heard the first sound of the clock, everything stopped as before The dreams stood still until the great deep voice of the ... but I answered their questions easily Then, on the fourth day, the police came I was not worried when they searched the house They asked me to come with them as they searched They looked everywhere, ... to the stranger who was standing in the shadow of the great clock When they caught him, the mask and the empty clothes fell the floor everyone cried out in horror There was nobody inside the...
Ngày tải lên: 14/10/2013, 17:11
The Black Cat_Edgar Allan Poe
... but I answered their questions easily Then, on the fourth day, the police came I was not worried when they searched the house They asked me to come with them as they searched They looked everywhere, ... was there I remembered hanging the cat in the garden of the house next door During the fire the garden was full of people Probably, someone cut the dead cat from the tree and threw it through the ... hide the body in one of the walls of the cellar It was quite an old building, near the river, so the walls of the cellar were quite wet and the plaster was soft There was new plaster on one of the...
Ngày tải lên: 14/10/2013, 17:11
Numerical Solutions of the Black Scholes Equation
... Numerical Solutions of the Black Scholes Equation The left-hand side of the heat equation, on the other hand, cannot be unambiguously approximated The following are some of the more common approximations, ... loss of accuracy The Black Scholes value of this option is superimposed on the following graphs The inside (darker) band denotes ±0.1% of the Black Scholes price (6.185), while the outer band is ... can therefore calculate the right-hand side of equation (8.4) since we also know the elements of the matrix B; this will be designated by the vector s0 The second column in the grid can therefore...
Ngày tải lên: 25/10/2013, 19:20
The Black Scholes Model
... Scholes model), and to the Black Scholes equation The two approaches should therefore lead to the same final conclusions: now comes the acid test 52 5.4 GREEKS FOR THE BLACK SCHOLES MODEL (i) Stated ... GREEKS FOR THE BLACK SCHOLES MODEL so that = Note that this is independent of φ so that n(d1 ) −qT √ e Sσ T is the same for a put or a call option (iv) Theta: The differential of the Black Scholes ... σ In general, the volatility of the forward price equals the volatility of the spot price; the volatility of the futures price equals the volatility of the underlying stock if the interest rate...
Ngày tải lên: 25/10/2013, 19:20
Equality before the law
... application that this undermines the whole basis of desert theory There are no criteria for determining the anchoring points of the scale, they say, and therefore there can be no compelling reason ... One reason was that the brothers were in employment Another (with which we are not concerned here)58 was that the jobs of some 23 others depended on the continuation of the brothers’ business By ... to the means of the offender In the present context the most important aspect is that the size of the fine be reduced for an offender of limited means, a principle long established in the law The...
Ngày tải lên: 01/11/2013, 09:20
Tài liệu The Black Book Of Forbidden Investments Secret Securities Blackbookpremium (pdf) pptx
... contact the author at the above address or via email The Black Book of Forbidden Investments Page There is a Wall of Silence separating you from some of the best performing investments in the world ... rise, the contract falls, so your put options rise in value We are buying put options because they give us the right but not the obligation to be short The most we can lose is the cost of the option ... of investors But then Buffett introduced B shares— offering the same returns, but selling for about 1/35th the price of the A Shares Similarly, the best CTA in the world over the last seven years...
Ngày tải lên: 17/01/2014, 03:20
Black holes
... vary according to a black hole s mass The more massive the hole, the longer the Schwarzschild radius, and conversely, the less massive the hole, the shorter the radius A black hole of one solar ... showed, the less their gravities attract each other And the reverse is also true the closer the two objects are, the stronger they attract 15 16 Black Holes each other This explains why the Sun ... predicted the existence of black holes, although at the time they were not called black holes and not a shred of evidence for them yet existed The Discovery of Universal Gravitation The first major theory...
Ngày tải lên: 19/01/2014, 13:58
Tài liệu The Black Road doc
... stood and gazed at the stretch of mountain before them The oars came up at once, then the sailors placed them in the center of the longboat “Stern,” Darrick called as he peered at the glowing circles ... fall on the others down there Before they can make it up, we can nip ondown to the bonfire and warn Captain Raithen they’s coming.” Darrick filed the name away During his years as part of the Westmarch ... spoke the final word of the spell The slave screamed in anguish, but the scream stopped in the middle The spell ripped the man apart The explosion of blood painted the frightened faces of the nearby...
Ngày tải lên: 24/01/2014, 19:20