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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
marcus
68 67,079
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
ZapperZ
1 26,703
I came across an interesting discussion about LQG's philosophy (through Googling "Cauchy surface" and "loop quantum...
Dec1-08 03:34 AM
atyy
9 2,111
Hello, i am given an action (only scalars) and i want to make it supersymmetric. Any hints? Do i simply add...
Oct17-11 01:58 AM
yola
5 2,107
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
RUTA
10 2,105
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
inflector
8 2,103
Canonical theories of gravities imply a foliation of spacetime into 3 hypersurfaces, each one labeled by time and...
Dec27-12 10:25 AM
marcus
15 2,103
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
Finbar
3 2,102
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
hossi
9 2,100
This is very interesting, is it the first proposed method (that is within reasonable energy for particle accelerators)...
Oct16-12 01:00 PM
Nano-Passion
4 2,100
http://arxiv.org/abs/0901.2984 Asymptotic safety in higher-derivative gravity Dario Benedetti, Pedro F. Machado,...
Jan20-09 11:51 PM
marcus
1 2,099
http://science.uniserve.edu.au/school/curric/stage6/phys/space/relativ.html There are many, many sites on the web...
Nov21-03 12:16 PM
marcus
3 2,098
hello to brainiacs everywhere, i posted a few questions last year but only received replies which pointed out my...
Nov4-06 03:17 PM
OSbandito
0 2,098
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 2,098
Any experts in using SOFTSUSY (the tool) here?
Dec5-11 01:55 AM
chrispb
3 2,097
Is somebody here involved with the causal set approach to QG? http://arxiv.org/abs/gr-qc/0309009 is a nice...
Sep27-09 09:56 AM
Carey
3 2,096
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
marcus
16 2,095
several recent papers have cited Ashtekar and Lewandowski "Background Independent quantum gravity: a status report"...
Mar3-04 12:17 AM
marcus
7 2,094
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
litewave
0 2,094
http://www-conf.slac.stanford.edu/ssi/2005/lec_notes/Lykken1/default.htm Every year Stanford SLAC has a summer...
Aug9-05 12:11 PM
ohwilleke
5 2,093
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
Demystifier
13 2,093
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
indydev
0 2,093
Dear PF, Could you please advise me good detailed reference on Grand Unified Theories... especially I want to see...
May15-12 02:06 AM
GeraldHoward
2 2,092
An interesting property of the Unruh effect is that the very existence of particles depends on a frame. Unruh...
Apr27-09 03:24 AM
Demystifier
7 2,091
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
torquil
1 2,090
Well, not new insights, but at least new paper and a new face: http://arxiv.org/abs/1204.0328 Particle Physics from...
Apr7-12 08:45 AM
arivero
4 2,090
I read somewhere that a system consisting of a single black hole contains the maximum possible amount of entropy...
Sep27-06 01:42 PM
TriTertButoxy
1 2,089
Just a stupid question (?), I have read about planck time, length, etc... as possible smallest measurable elements of...
Feb25-07 12:37 PM
marcus
4 2,089
I am working on the detector signatures of charged (doubly) massive stable particle from a techicolor model; the...
Feb22-08 08:52 AM
Oxymuon
0 2,089
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
MathematicalPhysicist
4 2,089
Minkowski space and deSitter space have been shown to be stable in GR under small perturbations. Perturbations do not...
Jun21-13 10:38 AM
marcus
11 2,089
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
Zix
13 2,088
Is Ads/CFT correspondance the same as gauge /gravity duality?
Sep20-11 05:17 AM
Polyrhythmic
4 2,087
My question is simple and straight forward - how does a 1-dimensional string "convert" to a zero-dimensional point...
Jan12-09 04:36 PM
derek.basler
3 2,086
This thread is in case discussion of the following paper is wished. http://arxiv.org/abs/1102.0954 The Holst Action...
May12-11 07:15 AM
nicoo
4 2,086
I came across a curious site on this topic:...
Mar17-11 09:15 AM
Physics Monkey
3 2,086
hi, how can we be sure that quantum gravity effects appear only at the Planck scale? when i look at the quantum...
Oct20-10 03:35 AM
suprised
14 2,085
I get the impression from the following material that LQG models have 'resolved' the divergent big bang singularity...
Jan6-13 10:05 PM
julian
14 2,085
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
Kea
9 2,084
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
marcus
14 2,083
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
shalayka
6 2,080
I am very bored and looking for entertainment such as a book or lecture having to do with string theory. Any...
Feb24-10 01:37 AM
Grytviken
9 2,079

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