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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...
Jun28-14 05:03 PM
63 59,999
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
1 25,246
I was reading about Weyl Transformations in Polchinski's book and I have a little doubt: Is it correct to say that...
Jul1-04 01:11 PM
1 2,099
I hope to be able to watch. Should be very interesting! The link below should host the webcast at some point. ...
Jun5-14 08:28 AM
4 2,099 I have just been...
Apr23-14 11:27 AM
19 2,099 The Amplituhedron Nima Arkani-Hamed, Jaroslav Trnka (Submitted on 6 Dec 2013)...
Feb12-14 04:47 AM
5 2,098
What is group field theory, and its relation LQG, CDT? There's no wiki article on gft. I am aware of the numerous...
Mar25-09 06:37 PM
7 2,097
Many people say that geometry is at the heart of physics. However Albert Einstein in his last paper worte that he...
Nov30-07 03:43 AM
George Jones
1 2,094
In this paper*, Brian Greene just asserts that: "In order to contribute nine to the central charge, the dimension...
Dec2-10 07:33 PM
5 2,093
Given the large number of citations, more than any other, even the 1967 Weinberg E-W paper, Does the Malcadena...
Mar14-10 12:46 PM
7 2,092
Is there an explanation for gravitational time dilation in string theory? String theorists say their equations can...
Aug13-05 12:13 AM
3 2,090
Is emergent spacetime the same as saying background independence?
Sep26-06 10:39 PM
6 2,089
Carlip has argued that the dimensional reduction in many apprroaches to quantum gravity is related to the BKL limit...
Apr5-12 05:00 PM
2 2,088 Every year Stanford SLAC has a summer...
Aug9-05 12:11 PM
5 2,084
In string theory, a solution involving flat 10D space seems like a valid solution. The Universe could be described by...
Jan26-10 04:35 PM
2 2,084
I'm having problems understanding Hodge duality in its most basic form. It relates exterior p forms to exterior n-p...
Sep1-08 04:19 AM
7 2,083
Hello everybody I noticed here are people knowing Loop Quantum Gravity. I am not a professional physicist but I like...
Jan22-10 11:18 AM
12 2,083
Found this on Woit's: Authors: S. W. Hawking Report-no: DAMTP-2005-66...
Jul31-05 08:49 AM
10 2,082
Hi there everybody. I heard an interview recently, that was done with Michio Kaku ( and InfidelGuy...
May9-04 03:56 PM
3 2,081
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 2,081 Linearized dynamics from the 4-simplex Regge action Bianca Dittrich, Laurent Freidel,...
Jul31-07 07:33 PM
0 2,081
The appearance here of threads such as Causes of loss of interest in the String program and Is string theory really...
Apr23-12 03:48 AM
2 2,081
Does anyone here have any information as to the contents of the presentation recently given by Eric Weinstein in...
May31-13 04:18 AM
Markus Hanke
3 2,081
Background-independence is the requirement that the theory be formulated based only on a bare differentiable manifold...
Jan12-13 12:06 PM
9 2,079
Hi all, The weblink pointed to the school of last year, this one should work:...
Jan26-06 06:38 PM
Florian Gmeiner
0 2,077 Abstract We provide a simple transfer function that...
May28-11 07:38 PM
10 2,077 Asymptotic safety in higher-derivative gravity Dario Benedetti, Pedro F. Machado,...
Jan20-09 11:51 PM
1 2,076
I am working on the detector signatures of charged (doubly) massive stable particle from a techicolor model; the...
Feb22-08 08:52 AM
0 2,075
Oct28-09 10:35 AM
9 2,075
I'm somewhat awed by this paper: The emergence of complex behaviors through causal entropic forces. Now, I'm not a...
May28-13 10:28 AM
12 2,075 Parity Invariance For Strings In Twistor Space Authors: Edward Witten...
Apr20-04 09:48 PM
1 2,072
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 2,072
As I understand it, the spin of anything is with respect to the background spacetime. So I have to wonder if the spin...
Sep18-12 11:51 PM
16 2,071
It's often been hoped that gravity is topological, eg. Witten, Xu, Gu & Wen, Rovelli. Heckman & Verlinde make a new...
Mar14-12 02:06 PM
2 2,070
Three new papers appeared this week which strongly reinforce the Loop program. 1. The Ashtekar Sloan paper shows...
Jan7-10 10:34 PM
13 2,069
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 2,069
Is there any theory for which "elementary" particles are "small" black holes or/and for which the electron and the...
Feb25-12 03:13 AM
9 2,069
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
5 2,067
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 2,067
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 2,066
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 2,066
This may seem like a naive question to some people. I had always heard that Lqg can easily incorporate...
Sep3-11 02:53 AM
3 2,065

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