El universo inflacionario alan guth pdf download

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Download as PDF, TXT or read online from Scribd . se pueden explicar en función de otras más básicas Alan Guth. provocando el origen del universo . In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of Alexei Starobinsky, Alan Guth, and Andrei Linde won the Kavli Prize “for pioneering the theory of cosmic prehexfejefne.ga~ steinh/prehexfejefne.ga .. Create a book · Download as PDF · Printable version. The Inflationary Universe book. Read 31 reviews from the world's largest community for readers. This is the compelling, first-hand account of Alan Guth's.

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El Universo Inflacionario Alan Guth Pdf Download

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Shelves: science , auto-biography , 5-stars Alan Guth is not a science popularizer like Carl Sagan or Neil DeGrasse Tyson, but the actual scientist who originated Inflation cosmology. This book is presented chronologically, following his and his colleagues' work through problems and dead ends, and occasionally even events from his personal life. Even though it is math-less, it conveys the conceptual trade-offs and reasoning, beyond a mere description of the resulting theory to be taken on pure faith. As an engineer with detailed knowledge Alan Guth is not a science popularizer like Carl Sagan or Neil DeGrasse Tyson, but the actual scientist who originated Inflation cosmology. As an engineer with detailed knowledge of physics only in those certain spots relevant to my career, I found this both challenging and rewarding to read, in my drive to broaden. Guth does not present all his work as a done deal in all particulars — although inflation certainly does seem necessary to address problems in the prior Big Bang model compatibility with GUTs, horizon problem, flatness problem, etc. With the trade-off awareness gained, some brief summaries available online have a place to fit in. The reintroduction of cosmological constants to make timelines work out seems troubling to me. But as I have still not been through the math, and the math speculations precede observational data, I cannot claim to understand fully. My notes per chapter are below.

Bubbles of true vacuum spontaneously form in the sea of false vacuum and rapidly begin expanding at the speed of light. Guth recognized that this model was problematic because the model did not reheat properly: when the bubbles nucleated, they did not generate any radiation.

Radiation could only be generated in collisions between bubble walls. But if inflation lasted long enough to solve the initial conditions problems, collisions between bubbles became exceedingly rare. In any one causal patch it is likely that only one bubble would nucleate. Kazanas called this phase of the early Universe "de Sitter's phase.

Guth himself did not refer to work of Kazanas until he published a book on the subject under the title "The inflationary universe: the quest for a new theory of cosmic origin" , where he apologizes for not having referenced the work of Kazanas and of others, related to inflation. In this model, instead of tunneling out of a false vacuum state, inflation occurred by a scalar field rolling down a potential energy hill.

When the field rolls very slowly compared to the expansion of the Universe, inflation occurs. However, when the hill becomes steeper, inflation ends and reheating can occur. Effects of asymmetries Main article: Primordial fluctuations Eventually, it was shown that new inflation does not produce a perfectly symmetric universe, but that quantum fluctuations in the inflaton are created.

These fluctuations form the primordial seeds for all structure created in the later universe. Chibisov in analyzing Starobinsky's similar model. In addition, it accounts for the observed flatness and absence of magnetic monopoles. Since Guth's early work, each of these observations has received further confirmation, most impressively by the detailed observations of the cosmic microwave background made by the Planck spacecraft.

Inflation predicts that the structures visible in the Universe today formed through the gravitational collapse of perturbations that were formed as quantum mechanical fluctuations in the inflationary epoch. The detailed form of the spectrum of perturbations, called a nearly-scale-invariant Gaussian random field is very specific and has only two free parameters. One is the amplitude of the spectrum and the spectral index , which measures the slight deviation from scale invariance predicted by inflation perfect scale invariance corresponds to the idealized de Sitter universe.

The simplest inflation models, those without fine-tuning , predict a tensor to scalar ratio near 0.

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This structure for the perturbations has been confirmed by the Planck spacecraft , WMAP spacecraft and other cosmic microwave background CMB experiments, and galaxy surveys , especially the ongoing Sloan Digital Sky Survey.

There is evidence for a slight deviation from scale invariance. The spectral index , ns is one for a scale-invariant Harrison—Zel'dovich spectrum. The simplest inflation models predict that ns is between 0. These are considered an important confirmation of the theory of inflation. Except in contrived models, this is true regardless of how inflation is realized in particle physics.

Occasionally, effects are observed that appear to contradict the simplest models of inflation. What is the first moment of your body? Now, try to project this real event here over the Big Bang theory and see the Universe as an cosmic egg. It is genesis by a natural being without using intelligence and magics, but with consciousness. Makes sense.

Lenley, Brad - La Gran Adivinanza de Guth.pdf

Is there an universe without conscience life. Good question which I would say no. Nice point. You can see why in the theory website. So, it suggests that the ex-machine system that triggered the Big Bang made it using only light.

But the source of this light seems to be a kind of vortex based in QM. A vortex with consciousness?! The surprisingly thing is that all known natural systems fits exactly when superposed upon the formula, suggesting that the formula is the way nature organizes matter into systems, from atoms to galaxies to human bodies.

This only concludes that there was intelligence prior to humans which engineered them. It is not what Nature is showing here and now.

That is the real way nature works facing our eyes. So, a rational mind must apply the same process when inquiring the origins of first human beings. The fossil record. The most complex non living system must be direct ancestor of the less complex biological system — of course.

Then suddenly, about million years ago, most major animal phyla were here. The fossil evidence is missing showing how life went from the single cells to the major complex divisions of animal life we have today.

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But no fossil evidence beforehand showing how simple single celled organisms suddenly became very, very, very complex. The Universe only can create things like itself was created. Mother Nature does not play dice with us.

She is showing here how she works. Why are you cheating her?! Replaced by education and knowledge rather than fear and overreaction. The only saving We All Need is from ignorance. This selfishness expresses in everybody. So, we watch evolution here, but is it blind without purpose? I watch evolution inside a womb, a shape of blastula becoming unrecognizable in the next shape as fetus.


But, then…there is purpose. The1Indignitary 10 minutes ago It does not works with me. So, if the god of foreign people is real, he has not talking with us, then, he is not real for us and not our friend.

You are practicing mental terrorism on my kids. This is a difficult question to answer because there are so many possibilities. IDisnotscience 42 minutes ago They have something a fault on modern scientific thought for hold on: 1 Darwin should never talk this: the diversification of life shows that species were not created one by one by God.

If after that you will say loud that this is the formula created by God for creating things in these Universe without magics, I will show for you that this formula is coming from something natural, extra-universe. And, it certainly not with physical approach. Your science is very negligible. TrueVerdicts 38 minutes ago Science does not explain what does not exists. Think the Universal as a ball. You created the space.

How much time was there? There is measurement of a chain of events. Intelligence does not reside in the body. As the brain decays so does the intelligence and personality. Think about a computer decay like Alzheimer, but, die fire. The hardware goes destroyed, but what happens with the software? As said mechanicmike69, the scientific theory uses Alzheimer as evidence that consciousness reside in our body.

I think that computers are evidence that consciousness is separated. Do you agree? Your argument is rediculous.

Bits in a computer does not organizes themselves for running a software and does not creates their own software. And for clues that my argument is ridiculous you need bring on the paper peer-reviewed that reveals the mechanisms by which neurons are related to thought.

There is no one. My theoretical models suggests that a natural software composed by photons is transmitted by galaxies over primordial soups driven abiogenesis.

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