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String Theory Demystified: A Self-Teaching Guide
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Kurzbeschreibung
UNRAVEL the mystery of STRING THEORY Trying to understand string theory but ending up with your brain in knots? Here's your lifeline! This straightforward guide explains the fundamental principles behind this cutting-edge concept. String Theory Demystified elucidates the goal of the theory--to combine general relativity and quantum theory into a single, unified framework. You'll learn about classical strings, conformal field theory, quantization, compactification, and T duality. The book covers supersymmetry and superstrings, D-branes, the holographic principle, and cosmology. Hundreds of examples and illustrations make it easy to understand the material, and end-of-chapter quizzes and a final exam help reinforce learning. This fast and easy guide offers: Numerous figures to illustrate key concepts Sample problems with worked solutions Coverage of equations of motion, the energy-momentum tensor, and conserved currents A discussion of the Randall-Sundrum model A time-saving approach to performing better on an exam or at work Simple enough for a beginner, but challenging enough for an advanced student, String Theory Demystified is your key to comprehending this theory of everything.
Synopsis
More than 1 million "Demystified" books have been sold. String theory is an emerging model of physics that can, in principle, explain all of the particles and fundamental forces of nature by modeling them as vibrations of tiny supersymmetric strings. Using the proven Demystified format, this book elucidates the highly mathematical and complex topic of string theory, covering key topics such as particle physics, quantum field theory, D-brane physics, and different types of strings. You will learn the mathematical tools necessary to truly decipher string theory.
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Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis
Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis
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Kundenrezensionen
Die hilfreichsten Kundenrezensionen
7 von 7 Kunden fanden die folgende Rezension hilfreich
Format:Taschenbuch
Dieses Buch ist eines der besten Buecher ueber Stringtheorie die ich kenne. Nachdem ich mich schon an diversen anderen Buechern versucht habe, hatte ich hier zum ersten mal das Gefuehl etwas verstanden zu haben. Das Buch eignet sich hervorragend zum Selbststudium - gerade auch fuer Experimentalphysiker, fuer die die mathematisch komplizierte Stringtheorie bisher eher ein Buch mit sieben Siegeln war. Als Vorwissen sollte man die Kenntnisse aus der theoretischen Mechanik, Quantenmechanik und etwas Relativitaetstheorie mitbringen. Ein kleiner Einfuerhrungskurs in Quantenfeldtheorie waere sicher nuetzlich ist aber nicht unbedingt notwendig
2 von 2 Kunden fanden die folgende Rezension hilfreich
Format:Taschenbuch
Ich kann mich der Rezension meines Vorgängers voll und ganz anschließen. Vielleicht noch etwas informatives:
Die Rechnungen sind wirklich kleinschrittig gezeigt, z.T. sogar mit Erklärungen. Z.B. Vertauschung der Summationsindices oder Umbenennung der Summationsindices. Die Beispiele sind auch kleinschrittig vorgerechnet. Zu den Übungsaufgaben (Quiz) findet man die Ergebnisse auf den letzten Seiten. Bücher in dieser Art hätte ich mir zu meiner Studienzeit sehr gewünscht!
Die Rechnungen sind wirklich kleinschrittig gezeigt, z.T. sogar mit Erklärungen. Z.B. Vertauschung der Summationsindices oder Umbenennung der Summationsindices. Die Beispiele sind auch kleinschrittig vorgerechnet. Zu den Übungsaufgaben (Quiz) findet man die Ergebnisse auf den letzten Seiten. Bücher in dieser Art hätte ich mir zu meiner Studienzeit sehr gewünscht!
Die hilfreichsten Kundenrezensionen auf Amazon.com (beta)
Amazon.com:
8 Rezensionen
41 von 44 Kunden fanden die folgende Rezension hilfreich
A playful yet serious textbook on string theory
26. November 2008
Format:Taschenbuch
I actually love the book, its format, and its focus. Imagine that your task is to take Polchinski's textbook on String Theory and compress both volumes to 320 light pages or so.
You have to include some basics of GR, QFT, abstract classical mechanics but also the CFTs, bosonic strings, light cone gauge, T-duality, symmetries, RNS superstring, heterotic strings, D-branes, AdS/CFT, black holes. But you also add some material that was not yet fully covered in Polchinski's book such as tachyon condensation on D-branes and the speculative field of string cosmology, among others.
I think that if you realize your task well, you will end up with a book very similar to McMahon's book. As a kid or undergrad, I would actually love the playful format of the book, the icons and big headlines. In fact, I like it even now. It's the format that succeeds to attract the reader's attention and give him or her the (semi-realistic) feeling that the knowledge needed to fully master string theory is of encyclopedic character and "learnable" in a finite time.
Although the brevity of many explanations will clearly make it insufficient for all readers to understand the true origin of all results and steps, this is a book focusing on real, solid scientific arguments.
This is a simplified but technical, not popular, book that won't overwhelm you with postmodern philosophical babbling, trying to convince you that it can replace the calculations and lead you instantly to "big" conclusions without any hard work. It is a book that shows the actual correct calculations and derivations, albeit in a simplified form. Most importantly, the answers are pretty much universally correct, as far as I could check, and they uniformly cover the basic topics that are important for actual researchers in modern high-energy theoretical physics.
If you're a college student, high school student, or a mathematically skilled "semi-outsider" who is bright enough to learn advanced theoretical physics, please ignore the other reviewers who clearly have no idea what theoretical physics actually is, and buy this book. You may like it, too.
You have to include some basics of GR, QFT, abstract classical mechanics but also the CFTs, bosonic strings, light cone gauge, T-duality, symmetries, RNS superstring, heterotic strings, D-branes, AdS/CFT, black holes. But you also add some material that was not yet fully covered in Polchinski's book such as tachyon condensation on D-branes and the speculative field of string cosmology, among others.
I think that if you realize your task well, you will end up with a book very similar to McMahon's book. As a kid or undergrad, I would actually love the playful format of the book, the icons and big headlines. In fact, I like it even now. It's the format that succeeds to attract the reader's attention and give him or her the (semi-realistic) feeling that the knowledge needed to fully master string theory is of encyclopedic character and "learnable" in a finite time.
Although the brevity of many explanations will clearly make it insufficient for all readers to understand the true origin of all results and steps, this is a book focusing on real, solid scientific arguments.
This is a simplified but technical, not popular, book that won't overwhelm you with postmodern philosophical babbling, trying to convince you that it can replace the calculations and lead you instantly to "big" conclusions without any hard work. It is a book that shows the actual correct calculations and derivations, albeit in a simplified form. Most importantly, the answers are pretty much universally correct, as far as I could check, and they uniformly cover the basic topics that are important for actual researchers in modern high-energy theoretical physics.
If you're a college student, high school student, or a mathematically skilled "semi-outsider" who is bright enough to learn advanced theoretical physics, please ignore the other reviewers who clearly have no idea what theoretical physics actually is, and buy this book. You may like it, too.
6 von 6 Kunden fanden die folgende Rezension hilfreich
Great introduction, but not for everybody
5. Juli 2009
Format:Taschenbuch
First of all, this book is not for everybody. It's not for the pop-science reader, it contains far too much mathematics to be of any use for him. It's not for the professional scientist seeking in-depth understanding either. If you are either type of reader, you're better off reading something else.
Every book has its readership target, and this book found one appreciative reader in this reviewer. I have a background in engineering, so I'm familiar with differential equations, complex analysis, quantum mechanics. I never took any postgrad physics, so given my interest in physics I've had to study tensor analysis, quantum field theory and general relativity on my own. After getting some exposure to those subjects, I felt I could tackle an introduction to strings, and thought this book would be a good way of quickly getting the broad concepts. I found the book easy enough to be readable, and challenging enough to learn something from. If you have a background similar to mine, you will love this book.
If you do have this sort of background, then you'll find it to be a very good summary of string theory. It will give you the broad concepts without skimping on the mathematics. It will prepare you for texts like Zwiebach and Polchinsky.
There are flaws in the book, however. There are still way too many typos in the book, and some of the examples are stepped through in steps that ought to be obvious to anyone at this level, while others are not explained in sufficient detail. The issue of typos seems to be an ongoing one with the Demystified series, but thankfully this particular book seems to suffer from fewer typos than some of the others.
Aside from that, this reviewer found it a very useful introduction to the subject, and would strongly recommend it to anyone in a similar situation. However, it may not be suited to pop-science readers or professionals.
Every book has its readership target, and this book found one appreciative reader in this reviewer. I have a background in engineering, so I'm familiar with differential equations, complex analysis, quantum mechanics. I never took any postgrad physics, so given my interest in physics I've had to study tensor analysis, quantum field theory and general relativity on my own. After getting some exposure to those subjects, I felt I could tackle an introduction to strings, and thought this book would be a good way of quickly getting the broad concepts. I found the book easy enough to be readable, and challenging enough to learn something from. If you have a background similar to mine, you will love this book.
If you do have this sort of background, then you'll find it to be a very good summary of string theory. It will give you the broad concepts without skimping on the mathematics. It will prepare you for texts like Zwiebach and Polchinsky.
There are flaws in the book, however. There are still way too many typos in the book, and some of the examples are stepped through in steps that ought to be obvious to anyone at this level, while others are not explained in sufficient detail. The issue of typos seems to be an ongoing one with the Demystified series, but thankfully this particular book seems to suffer from fewer typos than some of the others.
Aside from that, this reviewer found it a very useful introduction to the subject, and would strongly recommend it to anyone in a similar situation. However, it may not be suited to pop-science readers or professionals.
2 von 2 Kunden fanden die folgende Rezension hilfreich
Workman's Workbook and Editor's Delight
15. März 2011
Format:Taschenbuch|Von Amazon bestätigter Kauf
David McHahon does provide a simplified and straight forward overview of String Theory, but fails to make the physics lucid and inviting.
He does, however, take great pains to provide lots of worked examples.
This does help in gaining a proficiency in tackling String Theory and understanding its underlying concepts. It is, however, not a substitute
for a good textbook.
One problem that undermines the effectiveness of String Theory: in this and is a few of his other workbooks on physics and math, his solutions are riddled with typos.
He and his readers would be better served if his editor were more careful and demanding.
In short, a workbook worth having if you have enough confidence to trust in your own math and skills to overcome his editor's shortfalls.
He does, however, take great pains to provide lots of worked examples.
This does help in gaining a proficiency in tackling String Theory and understanding its underlying concepts. It is, however, not a substitute
for a good textbook.
One problem that undermines the effectiveness of String Theory: in this and is a few of his other workbooks on physics and math, his solutions are riddled with typos.
He and his readers would be better served if his editor were more careful and demanding.
In short, a workbook worth having if you have enough confidence to trust in your own math and skills to overcome his editor's shortfalls.
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