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If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

1 
26,719 
This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Aug2014 11:17 AM
marcus

68 
67,126 
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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1,750 
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

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1,750 
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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1,750 
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

5 
1,750 
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

1 
1,750 
What would come from a Theory of Everything? What would be changed? What things would be discovered?
What would...

Feb2704 01:17 PM
Maxwell

0 
1,752 
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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1,752 
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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1,752 
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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1,753 
Hi Experts,
I have passed my MSc. Physics in 2000 from Punjab University Lahore
Pakistan & working in Industrial...

Oct1106 01:06 PM
Nasir Ali

0 
1,753 
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 
1,753 
Dear Ladies and Gentlemen,
I noticed that Urs Schreiber has an article today
...

Mar2604 03:02 PM
Urs Schreiber

5 
1,755 
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 
1,755 
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

0 
1,756 
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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1,757 
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

3 
1,758 
I have some material:
1.Joseph Polchinski <String theory>/An Introduction to the Bosonic String.
2.Richard J.Szabo...

Mar204 08:03 PM
Dale

2 
1,759 
I was recently reading a small news article named Experiments Show Gravity Is Not an Emergent Phenomenon.
Linky.
...

May412 06:09 PM
Sigurdsson

3 
1,759 
Are these 'strings' the size of planks constant? Nothing can obtain a size smaller than planks constant...right? What...

Mar1611 08:28 PM
crackjack

3 
1,760 
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

10 
1,761 
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

4 
1,761 
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

3 
1,763 
Which do you think are the most promising alternatives?

Apr1214 08:40 AM
twistor

17 
1,764 
Could the Bulk possibly be used as a hyperdrive?

Oct2007 06:27 AM
Toastus

6 
1,765 
Here I had been thinking the Unruh horizons and specifically black hole horizons were the only (thermal) radiators.
...

Jun1910 09:20 AM
bapowell

8 
1,765 
Hi
I'm trying to learn more about the Unruh effect, and was wondering if someone could comment on how exactly the...

Apr2311 09:21 AM
LAHLH

6 
1,765 
In various textbooks like Polchinski and in papers like Witten hepth/9503124 they go through the process of starting...

May1006 03:39 AM
AlphaNumeric

4 
1,766 
‘Deterministic systems’ minimum length – QMLS
An understanding of minimum length is not limited to what I have...

Apr2507 09:00 AM
jal

0 
1,766 
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

1 
1,766 
there is a possibility of having a friendly argument over Loll Gravity (CDT)
the missing ingredient was always some...

Dec1405 02:05 PM
garrett

11 
1,768 
Hi all,
as last year somehow we missed to announce the ICTP spring school in time.
The official deadline was...

Jan2606 06:37 PM
Stefan Fredenhagen

0 
1,768 
At this point, I am rather confused about the concept of DE, and even why it is called DE since it does not seem to...

Mar1109 05:19 PM
jnorman

2 
1,768 
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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1,769 
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

2 
1,769 
http://www.perimeterinstitute.ca/activities/scientific/seminarseries/alltalks.cfm?CurrentPage=1&SeminarID=836
...

Oct1906 10:29 AM
marcus

0 
1,770 
This might be a noob question, so excuse me if I'm beating a dead horse. I'm trying to wrap my head around string...

Dec2809 03:56 AM
arivero

2 
1,771 
LQG is an attempt to quantize geometry
Noncommutative geometry is an attempt to express the SM geometrically, and...

Jun310 10:54 AM
tom.stoer

5 
1,772 
Quote:
"Because gravity also spreads outside spacetime, only a fraction of its strength is available inside...

Dec1404 03:21 AM
Chronos

5 
1,773 
Quantum Gravitation String Theory:
Planck's Radius:
r_p = \sqrt{ \frac{ \hbar G}{ c^3}}
Minimum observable...

Jan404 06:18 AM
meteor

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1,775 
Baez recent paper "Quantum Quandaries" references one that Fotini Markopoulou wrote last year with Hanno Sahlmann and...

Jun2304 10:41 PM
marcus

4 
1,775 