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Beyond the Standard Model

- Professionally researched theories... strings, branes, & LQG
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announcements, btsm, event Sticky Thread Pinned: BtSM Event Announcements ( 1 2 3 ... Last)
This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...
Apr12-14 02:54 PM
marcus
59 46,131
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
ZapperZ
1 22,325
I am confused about the definition of ground state and its characteristics. For a field in spacetime do we mean the...
May24-10 02:18 AM
tom.stoer
1 915
I remember an article on String Theory on either Popular Science or Scientific America, and it had this equation: ...
May23-10 03:39 PM
Ben Niehoff
10 1,750
I got some spare time to glance at arxiv:1004.0464v1 Section 9.2 is awesome. It tells us that the discrete algebras...
May22-10 05:04 PM
arivero
2 1,543
Friends: I have studied extensively John Moffats work on MOG, mostly in its newest form of SVTG or scalar vector...
May22-10 03:16 PM
emc2cracker
0 1,012
If, according to Einstein, that space-time is a "fabric", could there be waves in this "fabric"?
May21-10 09:39 PM
brainstorm
6 1,281
http://arxiv.org/abs/1004.1780 A new look at loop quantum gravity Carlo Rovelli 15 pages, 5 figures (Submitted on...
May20-10 11:37 PM
marcus
14 4,058
Hello, I am intrested in finding out about string theory. I have done reasearch on the internet but that is the...
May20-10 07:44 AM
bapowell
3 1,190
Greetings. My question comes in two parts. Part one - In most "low-level - made for t.v." explanations of the...
May19-10 03:07 PM
Noja888
8 2,730
http://pirsa.org/10050002/ Deformations of General Relativity Kirill Krasnov 2010-05-05 "I will describe a very...
May18-10 07:56 PM
Finbar
8 1,698
From what I've read earlier, the definition of a BPS soliton is a soliton satisfying a Bogomolny bound (mass bounded...
May18-10 06:38 PM
suprised
1 1,089
http://pirsa.org/10050022/ The Emergence of Gravity Erik Verlinde 12/05/2010 "Theoretical insights originated from...
May18-10 02:39 AM
Fra
6 5,588
The observed expansion of the Universe is an example of the Holographic Principle. The galaxies escape from us not...
May18-10 01:05 AM
czes
1 1,338
IMHO this is an elegant 4-page gem. Check it out. http://arxiv.org/abs/1005.2985 Thermal time and the...
May18-10 12:39 AM
marcus
1 3,590
Is string theory the replacement of the zeroth dimension? Or could it be thought of as such?
May17-10 02:14 PM
bradley613
6 1,501
It's possible someone else slipped this into arxiv, as an April foolery, pretending it was by Smoot. You have to...
May17-10 12:38 PM
marcus
18 3,060
I'm looking at this thread, http://www.physicsforums.com/showthread.php?t=403472 Dark Matter, On the Ropes? ...
May17-10 12:01 PM
ensabah6
4 1,833
This might sound crazy , but could a magnetic field exchange gravitons with something else , or can a magnetic...
May16-10 12:10 AM
cragar
3 1,134
Sometimes I wonder if LQG is as much of a "failure" as string theory, with string theory inability to dimensionally...
May14-10 03:40 PM
f-h
2 1,204
http://www.nature.com/news/2007/071220/full/news.2007.389.html this just came out in Nature News, comment? To...
May14-10 02:36 PM
SdogV
19 3,771
Henderson gives a good talk. He's been working with Abhay Ashtekar on reformulating loop cosmology as a spinfoam-like...
May13-10 11:08 PM
marcus
0 878
Verlinde has proposed to express gravity as a thermodynamic system, whereas Connes shows with a purely geometric...
May13-10 05:40 AM
Fra
8 1,952
Since it is the case in classical physics, I had always thought that objects with different mass acted the exact same...
May12-10 10:17 PM
LukeD
5 1,284
I would like your comments on whether a model of EPR entanglement based on superstring theory makes any sense. ...
May12-10 08:01 PM
Noja888
13 4,531
Hi everyone, to give a motivation for studying specific models of noncommutative geometry, I would like to start...
May10-10 08:38 AM
Orbb
2 879
Hello, Could somebody please point me out introductory online book/paper with which I can start understanding gauge...
May9-10 01:51 AM
tom.stoer
2 2,172
The workshop involved some top people including Mathilde Marcolli (longtime co-author with Alain Connes), Jerzy...
May7-10 09:25 AM
MTd2
4 1,787
http://arxiv.org/abs/1004.2260 The new vertices and canonical quantization Sergei Alexandrov (Submitted on 13...
May6-10 01:48 PM
MTd2
27 3,612
are null to 90% If, as in searches for proton decay, the results continue to be null for experiments in the next...
May5-10 10:52 PM
nicksauce
1 1,214
Like phonons? Even if SF is a random lattice, there might be modes emerging from some space of phase space. Look...
May5-10 06:01 PM
tom.stoer
9 1,779
When people refer to the notorious "10^500" solutions of string theory, they are talking about possible different...
May4-10 05:50 PM
petergreat
0 1,334
If there is a black hole in the 4th dimension, how will it looks like in the observer in 3rd dimension?
May4-10 04:58 PM
??????????
3 5,622
Hello everyone, I have been interested by the String Theory and the M-Theory for quite a few years now, I read the...
May4-10 07:10 AM
julz
7 1,617
Hi, has anybody studied the papers from Eyo Eyo Ita III? E.g. recently http://arxiv.org/abs/0805.4004v3...
May3-10 07:12 PM
MTd2
12 3,140
Is there a temperature related to the cosmological constant? As I understand it, the cosmological constant is...
May3-10 03:23 PM
mathman
3 1,216
I'm just trying to get a few things straight as I delve into the world of quantum physics and string theory. First of...
May3-10 12:23 PM
Fra
4 2,303
How does LQG work? I know there are gravitons in it but how do they interact with spacetime? Why is it a theory of...
May2-10 11:51 PM
tom.stoer
14 1,948
I am reading Zwiebach's 'a first course in string theory' and I have a question. As an example of a solution to the...
May2-10 11:15 AM
benbenny
1 1,633
I missed this point when looking at KK theories. If the D=11 graviton has 44 components, and the D=4 graviton has 2...
May2-10 07:28 AM
arivero
0 663
http://arxiv.org/abs/1004.4866 Unification of gravity, gauge fields, and Higgs bosons A. Garrett Lisi, Lee...
Apr29-10 11:48 PM
MTd2
11 3,194
http://arxiv.org/abs/1004.4866 Unification of gravity, gauge fields, and Higgs bosons A. Garrett Lisi, Lee Smolin,...
Apr27-10 07:20 PM
marcus
0 1,503

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