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Beyond the Standard Model

- Professionally researched theories... strings, branes, & LQG
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Jan16-12 Greg Bernhardt
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...
Y 12:49 AM
marcus
64 63,349
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
ZapperZ
1 25,883
A hyperspace (faster then c) engine is being worked on by the U.S. It would work by going into another dimension based...
Jul16-10 10:44 AM
Dr_Zinj
54 34,725
wikipedia says http://en.wikipedia.org/wiki/Group_field_theory Overview Group field theory is a theory of...
Jul14-10 12:49 AM
atyy
3 1,612
These values are due quantization of space time with 4 or more dimensions. But there is a catch here. There is no...
Jul13-10 12:05 PM
MTd2
18 2,305
Can we learn anything about the status of QG phenomenology by checking out the abstracts for the July talks? Bee...
Jul12-10 10:51 AM
marcus
3 1,881
My impression was that much of the 2009 interest in Horava gravity had waned. A number of problems with it were...
Jul11-10 07:29 PM
marcus
0 1,338
A view of reality emerging from current LQG research (like 1004.1780) is somewhat analogous to the "seething vacuum"...
Jul11-10 06:57 PM
marcus
14 2,334
http://arxiv.org/abs/1007.1317 Black holes in an asymptotically safe gravity theory with higher derivatives Yi-Fu...
Jul11-10 05:02 PM
Finbar
19 2,699
Has these results been extended to non-extremel BH? Do they work when the cc is +, (deSitter) and where SUSY is...
Jul8-10 01:56 PM
Ben Niehoff
1 1,405
I was just reading Forbes' list of the world's most influential thinkers, and the profile on Ed Witten mentioned how...
Jul8-10 10:53 AM
atyy
11 3,048
If TeV scale supersymmetry turns out to be true, with R-parity conservation it has been argued the lightest...
Jul7-10 05:57 PM
hamster143
2 1,082
Of these fifteen candidates, please indicate the paper or papers which you think will contribute most significantly to...
Jul6-10 10:42 PM
atyy
20 4,730
Based on Maxwell's equations, a physicist suggests that there should be a way to have a transformer to step-up or...
Jul6-10 01:51 PM
Naty1
4 1,400
I have read the papers of Verlinde, Jacobson, Beckenstein, Smoot and many other. They use the Unruh vacuum. It seems...
Jul5-10 03:36 AM
czes
29 3,095
Hi, this is not based on detailed work but just an idea which arised comparing causal dynamical triangulations and...
Jul2-10 10:24 AM
tom.stoer
6 1,567
Hi, I have a question about imposing constraints in order to obtain theories of gravity from gauge algebras. ...
Jul1-10 07:05 AM
haushofer
1 1,141
I have been pondering the description of matter recently, as some of you may have noticed by my recent posts in this...
Jul1-10 12:24 AM
jfy4
0 704
Hi everyone, I'm soon going to be performing a project that looks at quantum turbulence of 3He and...
Jun29-10 05:05 PM
arivero
3 1,162
So I was listening to a book by Leonard Susskind and he was explaining what it would be like crossing the event...
Jun28-10 07:05 AM
Naty1
9 2,402
Allright, looking at at a bunch of string theories and using math to explain, it really looks like nonsense. Calculus...
Jun27-10 11:16 PM
dpackard
5 1,519
At least one of us at this discussion board has expressed an interest in fractal modeling of spacetime, or of...
Jun27-10 02:02 PM
Orbb
1 3,190
I was reading through Wikipedia under 'String Theory' recently and discovered that within the lest week a Theoretical...
Jun21-10 12:10 AM
tom.stoer
10 3,453
Here I had been thinking the Unruh horizons and specifically black hole horizons were the only (thermal) radiators. ...
Jun19-10 09:20 AM
bapowell
8 1,740
I have a few simple questions regarding the key equation in Verlinde's paper, which is \Delta S = 2 \pi k_B...
Jun18-10 04:01 PM
nrqed
3 2,652
Dear Friends: I am a PhD. in Chemistry, born and studied in Germany, whereas I am working in Brazil in industry. My...
Jun18-10 09:56 AM
Naty1
1 1,130
I was just wondering, I keep hearing different opinions on this, but how is the reputation of string theory now? I...
Jun17-10 12:56 PM
tom.stoer
53 5,433
Hi there, I'm new to this but trying like hell to figure the basics of this out, (as I did a while back but failed,...
Jun15-10 07:04 PM
George Jones
36 46,484
http://pirsa.org/10020079/ Great talk about cool results. Perimeter has videos of a lot of excellent valuable...
Jun15-10 12:26 PM
marcus
10 4,347
Hi everyone, this is my first post on Physicsforums. I've enjoyed lurking and learning from the knowledgeable folks...
Jun14-10 10:19 PM
Arbitrageur
2 2,473
While reading Lee Smolin's book "Three Roads to Quantum Gravity" in which he talks about the Bekenstein bound and a...
Jun14-10 02:39 AM
czes
13 1,980
A new formulation of LQG was given in the arxiv paper 1004.1780 which is easier for me to remember as 2010 April1780...
Jun14-10 12:39 AM
tom.stoer
13 1,564
given a mul,ti-loop integral \int d^{4}k_{1} \int d^{4}k_{2}.................\int d^{4}k_{n}f(k_{1} ,...
Jun13-10 04:10 PM
mathman
3 1,805
Hi, Can someone suggest good sites to find a fairly comprehensive list of upcoming workshops (meaning for the rest...
Jun11-10 02:59 PM
nrqed
3 1,615
I am A Ph.D em Chemistry and not so good in High Mathematics than most of you. Therefore forgive me if, if my idea is...
Jun11-10 09:47 AM
Fra
15 4,249
Dave Mattingly has been a frequent collaborator with Ted Jacobson (his thesis advisor). You know of Jacobson if, for...
Jun11-10 12:26 AM
Fra
12 2,005
http://www.symmetrymagazine.org/breaking/2009/02/19/most-extreme-gamma-ray-blast-also-probes-quantum-gravity/Fermi%20Ob...
Jun10-10 07:22 PM
MTd2
37 8,748
We've been watching this development taking shape ever since the tentative Gambini Pullin papers about it in 2006. It...
Jun9-10 05:14 PM
Fra
43 7,557
I would be interested in your opinion about: arXiv:1006.0984v1: Physics of Trans-Planckian Gravity Authors: Gia...
Jun8-10 06:34 PM
marcus
2 1,435
Can't for the life of me remember the characteristic EW gaugino mass relation for CMSSM, nor can I track it down. ...
Jun8-10 02:58 PM
BenTheMan
6 1,233
If you measure the position of an elementary particle exactly, then its position becomes unknown. So consecutive...
Jun6-10 03:08 PM
CarlB
3 1,510
I have this, probably quite simple, problem. In the RNS superstring, when varying the action, we obtain in general a...
Jun5-10 06:55 PM
GargleBlast42
4 1,610

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