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Beyond the Standard Model

- Professionally researched theories... strings, branes, & LQG
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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
1 22,257
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
59 45,863 Anomaly-free perturbations with inverse-volume and holonomy corrections in Loop...
Aug3-13 03:03 PM
1 804
I recently read the blog of Philip Gibbs, it seems to have some interesting arguments. ...
Aug7-13 02:45 PM
Harry Wilson
6 1,304 Why gravity codes the renormalization of conformal field theories Henrique Gomes,...
Aug8-13 10:02 AM
11 1,993
Robert Oeckl proposed this new formulation of QT in December of last year. I think it's...
Aug9-13 12:37 PM
0 743
So I watching this video on dimensions.. and I have a few questions: 1. How many dimensions are there? (that are...
Aug11-13 09:00 AM
30 3,093
I am toward the end of reading Smolin's Time Reborn for the second time, and it occurred to me that there was a...
Aug12-13 11:47 PM
2 960
For N=1 SUSY, the SUSY algebra is closed as long as Bianchi identity \epsilon^{\mu\nu\rho\sigma}D_\nu...
Aug15-13 02:44 PM
4 1,075
In his review talk at loops 13 entitled "Loop Quantum Cosmology: A Eulogy" Martin Bojowald has declared that loop...
Aug21-13 02:14 AM
mitchell porter
29 4,809
As I understand, complementarity approach claims that there are 2 different stories, for an infalling observer and an...
Aug21-13 03:13 AM
6 886
In post #549 here I answered: And then I was surprised by the comment of Tom, asking how the pairing was done....
Aug21-13 03:32 AM
mitchell porter
208 72,192
Hi all, I was thinking about the Holographic Universe theory today and wondered... ...If the universe was a...
Aug22-13 11:34 AM
2 987
This thread is in part belated appreciation of J.S.Engle's seemingly orderly systematic way of doing research, and...
Aug23-13 12:13 AM
0 691
... due to whatever. What has the effort provided besides showing that the universe doesn't work a certain way?...
Aug23-13 05:52 AM
Beer w/Straw
14 1,296
hi quantum gravity has many problems, I find up to now. I think this problems are conceptual and mathematical is it...
Aug24-13 04:41 AM
1 1,070
This was just posted Energetic Causal Sets Marina Cortęs, Lee Smolin (Submitted...
Aug24-13 06:57 PM
17 2,508
I may have poorly titled this post, since the lecture I'm talking about isn't just about tachyons, really. What I'm...
Aug26-13 06:05 AM
1 933
This seems to be the most interesting development in QG currently. I want to know what you think might present serious...
Aug26-13 07:44 PM
19 1,787
In the context of the recent Fuzz or Fire workshop, I would...
Aug26-13 07:53 PM
3 750
Black holes have an entropy, but they evaporate. At the end of the evaporation, the entropy is greater than the...
Aug27-13 12:40 AM
5 922
Hi all, What is the Hamiltonian or main equation, that if you solve it, parallel universes are predicted? For...
Aug27-13 09:42 PM
6 1,289
Why string field theory doesn't explane a black singularity but its called the theory of everything? It just...
Aug29-13 02:24 AM
5 983
Are the strings in M-Theory impermanent, do they decay for example?(I am not a physicist, curious from a philosophical...
Aug30-13 02:20 PM
4 851
Hi all, This is an entirely new question, separate from the post I just asked. I am just learning about parallel...
Aug31-13 11:25 PM
9 1,221
Chris Duston's talk on this starts at minute 43 of this video: If you download the slides...
Sep2-13 05:42 PM
8 983
"Gauge" is normally understood as "mathematically redundant" Why are gauge theories so prevalent? Why do they...
Sep3-13 07:57 PM
65 4,839
We have had several threads that discuss the 2009 prediction of the Higgs boson mass by Shaposhnikov and Wetterich,...
Sep4-13 04:37 AM
mitchell porter
1 1,415
Hey everybody, I have a few questions about membranes in string theory, so here it goes. What is meant by the membrane...
Sep10-13 08:23 PM
1 787
Hi, sorry for the quite long text. Thanks in advance for any help! I am a little confused about the different...
Sep10-13 08:50 PM
Physics Monkey
6 1,316
Hi, I don't know any physics, but I wondered if I could get a physicist to indulge me by telling me the most obvious...
Sep16-13 08:33 PM
8 1,312
This was just posted on arxiv. It seems to be of general interest so here's a thread in case anyone wants to discuss...
Sep18-13 04:11 PM
17 2,507
Bee Hossenfelder has proposed a new approach to QG phenomenology, involving new ways to look for signs that space-time...
Sep19-13 01:49 AM
22 2,582
Hello, Can anybody please explain what is super symmetry and what is special unitary group? I read Wikipedia but...
Sep19-13 05:57 AM
2 790
If it's okay to post this, here's a video about string theory. You can't really learn any physics from it, but it's...
Sep19-13 09:49 AM
Greg Bernhardt
1 1,053
The new geometric version of quantum field theory could also facilitate the search for a theory of quantum gravity...
Sep19-13 03:01 PM
4 1,370
According to string theory there are an extra 7 spatial dimensions curled up at every point in space. They are so...
Sep21-13 09:43 AM
2 803
Hi, Unfortunately I am not actively involved in physics anymore since high school, but still very interested in the...
Sep23-13 09:04 PM
6 1,601
Hi there! S-matrix is Path Integral with Vertex Operators inserted. I know how to compute Shapiro-Virasoro...
Sep24-13 05:47 AM
4 958
Nice posting by Bee Hossenfelder on her Blog !.. ...
Sep24-13 05:49 PM
2 1,021
It has be mentioned the real singlet extension of the Standard Model by Chamseddine and Connes. But I favour a pair of...
Sep25-13 02:20 PM
4 2,263
Hi, I am looking to find the invariants of products of fields under SU(5) and other possible gauge groups (but lets...
Sep26-13 01:14 PM
3 793

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