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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...
Aug20-14 11:17 AM
68 66,567
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
1 26,583
hello to brainiacs everywhere, i posted a few questions last year but only received replies which pointed out my...
Nov4-06 03:17 PM
0 2,095
I read a comment posted here last night (I'll search around for it) that said something to the effect of a large part...
Dec6-05 05:38 PM
9 2,094
So the Hamiltonian of the wave-function of the universe is equivalent to zero. Am I correct in interpreting this as a...
Aug29-09 09:49 AM
3 2,094 Every year Stanford SLAC has a summer...
Aug9-05 12:11 PM
5 2,092
The 4D triangulations are made up of a sequence of 3D triangulations or slices which are "glued" together with {4,1},...
Oct25-09 06:37 PM
10 2,092
Why are theories of Quantum Mechanics and Relativity not possible to combine? I read this on wikipedia and heard this...
Sep23-10 12:45 PM
8 2,091
This is very interesting, is it the first proposed method (that is within reasonable energy for particle accelerators)...
Oct16-12 01:00 PM
4 2,091 There are many, many sites on the web...
Nov21-03 12:16 PM
3 2,090
several recent papers have cited Ashtekar and Lewandowski "Background Independent quantum gravity: a status report"...
Mar3-04 12:17 AM
7 2,090
Hi, I've developed a game, or some may say tool, that aids in the conceptualization and visualization of movement...
Aug20-11 07:35 PM
0 2,090
Hello - a few questions from a layman. A string's energy rises with the frequency with which it vibrates, right? So...
Sep15-06 02:28 AM
0 2,088
Haelfix pointed out the paper "Quantum Topologically Massive Gravity in de Sitter Space", which calculates a partition...
Jun3-11 07:33 PM
mitchell porter
2 2,088
Any experts in using SOFTSUSY (the tool) here?
Dec5-11 01:55 AM
3 2,088
Canonical theories of gravities imply a foliation of spacetime into 3 hypersurfaces, each one labeled by time and...
Dec27-12 10:25 AM
15 2,088
I came across an interesting discussion about LQG's philosophy (through Googling "Cauchy surface" and "loop quantum...
Dec1-08 03:34 AM
9 2,087
I am working on the detector signatures of charged (doubly) massive stable particle from a techicolor model; the...
Feb22-08 08:52 AM
0 2,086
As far as I know there is no firm prediction of any Lorentz bending derived from mainstream Loop. The authorities on...
Aug24-09 11:11 PM
16 2,086
I read somewhere that a system consisting of a single black hole contains the maximum possible amount of entropy...
Sep27-06 01:42 PM
1 2,082
I get the impression from the following material that LQG models have 'resolved' the divergent big bang singularity...
Jan6-13 10:05 PM
14 2,082
ok so in the cyclic model of the universe...two branes are colliding and this is causing big bangs every few trillion...
Dec21-10 05:03 AM
1 2,081
An interesting property of the Unruh effect is that the very existence of particles depends on a frame. Unruh...
Apr27-09 03:24 AM
7 2,080
Okay so if we assume strings (as described in superstring theory or M theory) are about the size of plank length, then...
Mar16-11 01:53 AM
4 2,080
Sorry this is all a bit condensed, but people seem interested in this mass gap question so here are some more...
Nov24-04 02:44 PM
9 2,079
Please post suggestions for what could turn out to be "Most Influential Paper" that you see between now and June. ...
Jun26-06 10:10 AM
14 2,079
Is somebody here involved with the causal set approach to QG? is a nice...
Sep27-09 09:56 AM
3 2,079
What do thoughts do you have on M-theory? It's credibility? Also, is there evidence that these supposed membranes...
Feb19-10 03:01 AM
13 2,079
This thread is in case discussion of the following paper is wished. The Holst Action...
May12-11 07:15 AM
4 2,079
Dear PF, Could you please advise me good detailed reference on Grand Unified Theories... especially I want to see...
May15-12 02:06 AM
2 2,079
Just a stupid question (?), I have read about planck time, length, etc... as possible smallest measurable elements of...
Feb25-07 12:37 PM
4 2,076
I came across a curious site on this topic:...
Mar17-11 09:15 AM
Physics Monkey
3 2,076
I wasn't certain if this topic strictly belonged in the GR forum. I have read the article 'Singular disk of matter...
Feb8-08 10:18 PM
6 2,074
Well, not new insights, but at least new paper and a new face: Particle Physics from...
Apr7-12 08:45 AM
4 2,074
To everyone, Being new to string theory (m-theory) this theory is not completely clear to me. I'd be like if some...
Sep27-04 08:08 AM
12 2,073
What I understand mathematically: The Polyakov action has three symmetries of the world...
Oct9-04 12:04 PM
2 2,071
String theory takes a lot of its motivation fron the conformal anomaly, and the way to get rid of it. Can somebody...
Jul18-06 05:00 AM
Alexey Popov
1 2,071
this is the September conference that Francesca told us about, we have a bit more information about it now, like the...
Jan22-07 04:39 PM
8 2,071
My question is simple and straight forward - how does a 1-dimensional string "convert" to a zero-dimensional point...
Jan12-09 04:36 PM
3 2,071
Thank you Marcus for spotting this paper. Fotini Markopoulou takes a non reductionist view of planckian physics in...
Dec2-10 06:09 AM
2 2,071
I want to recommend the following paper to anyone who wants the spec up on Renormalization Group flows, fixed points,...
Oct10-06 10:26 PM
1 2,070
Hi guys I m new to his forums o I hope I post this in the right place. I have a questions about the 11 dimension....
Aug13-12 02:14 PM
13 2,070

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