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If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

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This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Sep1514 12:03 AM
marcus

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67,932 
http://arxiv.org/abs/1010.1258
Big Bounce in Dipole Cosmology
Marco Valerio Battisti, Antonino Marciano
5 pages...

Oct1210 12:11 PM
marcus

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Besides the Hawking talk on BH information loss, and the public lecture by Roger Penrose on fadishness, wishful...

Jul204 09:18 PM
sol2

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So what if Quantum Foam was found to be the legitimate model for spacetime and our universe? What would be the...

Jan507 12:46 PM
josh1

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The historic roots of string theory are in an explanation of the strong force. Nowadays QCD is the accepted theory of...

Jul1709 03:01 AM
Bob_for_short

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How do you understand Beables? How do you define Beables? Are these supposed to be located in spacetime or behind...

Jun1711 08:24 AM
Varon

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I was watching the Elegant Universe on PBS, and the show was talking about the string theory. there was one thing that...

Apr2604 10:22 AM
Javier

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Hello, I am an uneducated savage so please bear with me and respond in laymans terms if possible so essentially I have...

Sep304 04:34 AM
RingoKid

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What is spacetime? Where does it come from? Oft asked questions here.
I recently posted the summary of a...

Mar809 08:58 AM
Naty1

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Understanding the shortdistance behaviour of gravity is crucial for constructing a quantum theory of gravity. The...

Feb2110 11:37 AM
edpell

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1,757 
Hi Everyone,
:shy:
I read in some paper about the significance of GravitonGraviton Scattering as a theoretical tool...

Apr1012 01:31 AM
dpa

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I found this on the web, it was written by someone without formal physics education but I was wondering what some...

Mar809 09:19 PM
cam875

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Who can tell me the relationship of matter (mass) and energy? it seems that they are not independent. as I think about...

May3105 06:29 PM
Brian Bell

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Hi, i was reading a paper about finance and stock markets and i found a reference to Lewis Little's: Theory of...

Feb2706 10:29 AM
selfAdjoint

1 
1,759 
Hi all,
I'm very curious about the current attempts to discover a theory of everything, and therefore naturally...

Sep1311 03:05 AM
haushofer

2 
1,759 
In order not to further irritate Marcus, let us move this offtopic discussion from the Rovelli thread.
...

Apr1706 07:06 AM
marcus

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1,760 
Hi all I'm new on this forum. I'm here since I'm working with nextended susy and Rsym and I don't know how to...

Jan1611 01:39 AM
mitchell porter

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1,760 
I just want to know if there is any theorem that can forbid certain degrees of freedom in the Theory of Everything.
...

May2311 01:51 PM
dhillonv10

4 
1,760 
Can someone explain how a hypersphere is possible. Because obviously it would not add up to 360 degrees. Could it just...

Apr2706 09:39 PM
Gokul43201

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1,761 
Hi Experts,
I have passed my MSc. Physics in 2000 from Punjab University Lahore
Pakistan & working in Industrial...

Oct1106 01:06 PM
Nasir Ali

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GH Diel a écrit :
> If dark matter constitutes the vast percentage of the universe, why is it
> not found all...

Oct1106 01:09 PM
Giordano Bruno

0 
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Im just starting to learn about super symmetry and I have a question. If super symmetry says ever boson has a fermion...

Aug3011 11:02 AM
arivero

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1,762 
It is well known to mathematicians that the study of topology in 4dimensions is more difficult than in higher...

Jul1810 02:33 AM
BruceG

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Dear Ladies and Gentlemen,
I noticed that Urs Schreiber has an article today
...

Mar2604 03:02 PM
Urs Schreiber

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A recent paper of Jerzy KG has this footnote on page 7, at the conclusion:
"3. Beware! These answers reflect my...

Dec2806 12:46 PM
marcus

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What would come from a Theory of Everything? What would be changed? What things would be discovered?
What would...

Feb2704 01:17 PM
Maxwell

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I have some material:
1.Joseph Polchinski <String theory>/An Introduction to the Bosonic String.
2.Richard J.Szabo...

Mar204 08:03 PM
Dale

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Hi, I was wondering if there was anyone who would have a good set of lecture notes online concerning the following...

Apr604 03:44 PM
marcus

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Hi, I am looking for parts IV and V of the series of articles called "Momentum Maps and Classical Fields", these parts...

Jul3011 10:20 PM
garrett

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I hesitate to even ask this question, because I feel that it is unrealistic of me to expect anyone here to take the...

Jul1012 06:44 PM
julian

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In LQC, the bounce can avoid the singularity by applying plancke scale quantum gravitational effects to effectively...

Jun3011 01:36 PM
Cosmo Novice

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Which and why do you believe will turn out to be more 'fundamental' (in the sense that one will prove to be the...

Apr612 02:15 AM
Demystifier

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‘Deterministic systems’ minimum length – QMLS
An understanding of minimum length is not limited to what I have...

Apr2507 09:00 AM
jal

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Dr. A. Chou of the Auger Ultra High Energy Cosmic Ray detector announced today that the last three years of partial...

Nov907 04:04 PM
marcus

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Why does string theory need so many dimensions? i know in our 3 it would break special relativity but i dont know why

Mar1509 04:44 AM
CompuChip

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Here I had been thinking the Unruh horizons and specifically black hole horizons were the only (thermal) radiators.
...

Jun1910 09:20 AM
bapowell

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A new usenet newsgroup "sci.physics.strings" has been proposed recently.
The group shall offer researchers,...

Mar2004 09:31 PM
Mike2

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there is a possibility of having a friendly argument over Loll Gravity (CDT)
the missing ingredient was always some...

Dec1405 02:05 PM
garrett

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http://www.perimeterinstitute.ca/activities/scientific/seminarseries/alltalks.cfm?CurrentPage=1&SeminarID=836
...

Oct1906 10:29 AM
marcus

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I was recently reading a small news article named Experiments Show Gravity Is Not an Emergent Phenomenon.
Linky.
...

May412 06:09 PM
Sigurdsson

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This paper may be slow to get the attention it merits because of its density and length. I have just printed out...

Jun408 10:43 PM
marcus

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