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

Sep1514 12:03 AM
marcus

72 
67,997 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

1 
26,947 
http://arxiv.org/abs/grqc/0609004
Calculation of the Cosmological Constant by Unifying Matter and Dark Energy...

Nov1408 06:17 AM
MTd2

28 
3,441 
A relation between Clifford Space and String?
William Kingdon Clifford: British philosopher and mathematician...

Nov1408 04:48 AM
MTd2

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2,283 
arXiv:0811.1229 (crosslist from grqc)
Title: Unambiguous Quantum Gravity Phenomenology Respecting Lorentz...

Nov1308 10:48 PM
granpa

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2,829 
Craig Hogen, in his paper Indeterminacy of Holographic Quantum Geometry, Phys. Rev D 78, 087501 (2008), has claimed...

Nov1308 10:36 PM
Chronos

2 
1,909 
Hi! Thanks for pay attention. I am learning spinfoam model through Rovelli's book and other reviews. I don't know how...

Nov1308 06:56 AM
mbird

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1,647 
The purpose of this thread is not so much to discuss immature details but to see what the general opinon is about the...

Nov1208 02:34 PM
Fra

21 
2,792 
using the WKB expansion upto any power of \hbar could we writte the path integral as
I_{WKB}(1+...

Nov1208 08:57 AM
mhill

0 
1,387 
Is it currently being researched as to how the four fundamental forces we know of can somehow just be one greater...

Nov1208 05:13 AM
MTd2

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2,945 
I was looking at the wikipedia "List of particles" (http://en.wikipedia.org/wiki/List_of_particles) and I came across...

Nov908 11:07 PM
Coin

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1,141 
Now it’s Saturn’s turn to flummox astrophysicists. The Russian astronomer Elean Pitjeva, who heads the Laboratory of...

Nov808 07:14 PM
SpaceBS

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2,130 
I have a question concerning the mathematical predictions for spacetime under String Theory. Physicist David Gross of...

Nov808 04:52 PM
BenTheMan

6 
1,462 
I was trying to think in general means to localy preserve causality. By "means", it means to include (or not) varying...

Nov808 03:07 PM
MTd2

3 
1,367 
Hello everyone
I have a question regarding string theory (ST) predictions:
I am not interested (in this thread)...

Nov808 09:16 AM
WaveJumper

2 
3,739 
Hey folks,
I just had a thought I wanted to share with you guys.
Just to review first the idea of Large extra...

Nov708 10:54 PM
robousy

7 
2,040 
I find the recent results from those experiments quite interesting and it is somewhat disturbing not to see any...

Nov708 07:58 AM
arivero

22 
3,342 
hi, i would need help to compute (approximately) the functional determinant
Det ( \partial ^{2} + V(\phi ) )
...

Nov608 02:19 AM
mhill

0 
1,582 
I have an relevation. Where should I submit this, it has to do with quantum physic's of heat, and how that interacts...

Nov408 03:03 PM
Hootenanny

1 
1,813 
http://fisica.ufmt.br/school2/
Some of the invited speakers: Paul Davies, Abhay Ashtekar, Lawrence M. Krauss, James...

Nov408 01:20 PM
marcus

3 
2,217 
A proposed MDM goes beyond the standard model in a minimal way, so as to produce a candidate for dark matter. Here is...

Nov208 11:37 AM
ccdantas

20 
3,350 
In super yang mills theories in 4,6,10 dimensions, the supersymmetry transformation is often written as (ignoring...

Oct3008 02:34 AM
BenTheMan

2 
1,556 
Hi
I'm trying to learn more about Quantum Foam and naturally my curiosity led me to Wiki. In Wikipedia, it says...

Oct2908 10:11 AM
starkind

12 
2,272 
This morning an odd thought struck me: Is it possible to consider
closed (oriented) strings which are entangled into...

Oct2808 04:37 PM
Octodude

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5,192 
some of us will want to follow this
http://golem.ph.utexas.edu/category/2006/09/connes_on_spectral_geometry_of.html
...

Oct2808 12:37 PM
mhill

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3,241 
could anyone tell me where i could find a comprehensive introduction to Utiyama Mathematical reformulation of gravity...

Oct2808 04:06 AM
mhill

5 
3,970 
Hi everybody,
I want to tackle the study of the physics of new dimensions: theoretical and phenomenological (Dark...

Oct2708 11:49 AM
Atakor

3 
1,219 
I have read almost every article there is concerning the superstrings theory and i must say that it fascinates me......

Oct2608 10:37 AM
poeteye

3 
1,464 
Hi,
A few years ago, I heard that string theory suggested a link between the gravitational constant (G) and...

Oct2608 06:26 AM
HallsofIvy

1 
1,747 
If you always wanted to understand how we discover new particle, Garrett Lisi gave a delightful presentation at TED of...

Oct2508 09:08 AM
MTd2

20 
3,226 
I was reading this:
http://www.physicsforums.com/showthread.php?t=181830
I was wondering if there is any up to...

Oct2308 10:38 AM
friend

2 
1,528 
arXiv:0810.3435
Title: Dark matter, dark energy and gravitational proprieties of antimatter
Authors: Dragan...

Oct2308 10:11 AM
K.J.Healey

2 
4,451 
This crazy thread is mean to stimulate some reflections on the logic of Einsteins Equations. It would be interesting...

Oct2108 04:07 AM
Fra

61 
7,245 
I thought this 'd be interesting
http://www.sciencedaily.com/releases/2008/10/081010081650.htm
Mathematicians...

Oct2008 10:25 PM
H.M. Murdock

0 
1,859 
What do you know about the current status of Garrett's TOE gambit?
Has anyone been checking his website? Any news?...

Oct1608 10:44 PM
marcus

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10,017 
Carlo Rovelli and Lee Smolin have recently taken diametrically opposed positions on whether time is a basic part of...

Oct1608 03:43 AM
Demystifier

10 
1,781 
Im not sure if this is the proper area for this but when they say that there might be other dimensions that we dont no...

Oct1408 08:41 PM
Hukdonquantum

6 
1,416 
In plain English, what is the idea behind Group Field Theory by Oriti? How does this involve LQG, SF, and CDT?
...

Oct1308 09:42 AM
francesca

1 
1,341 
How does one justify in String theory that 1+2+3+4+5+6+...=1/12?

Oct1008 08:25 AM
statdad

9 
2,380 
Hey Guys,
I am currently reading Brian Greene's The Elegant Universe which introduces many of the basic ideas...

Oct1008 02:48 AM
Hyperreality

7 
1,615 
In another couple of weeks we should have a Most Important Paper poll for 3rd quarter (JulySeptember) of 2008. As of...

Oct808 11:53 PM
marcus

6 
1,865 
Bojowald (and other bounce QC researchers) are approaching a kind of 'moment of truth' with the April 2009 scheduled...

Oct808 10:23 PM
marcus

2 
1,420 