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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...
Jul27-14 12:49 AM
marcus
64 64,407
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Jul14-12 08:32 AM
ZapperZ
1 26,119
what is the the easiest way to learn standard model theory ?
Apr14-12 08:57 AM
bapowell
8 2,750
In LQG the canonical variables are a SU(2) connection A, and the "electric" field E, such that they form a canonical...
Apr12-12 05:44 PM
zwicky
4 1,982
Hi Everyone, :shy: I read in some paper about the significance of Graviton-Graviton Scattering as a theoretical tool...
Apr10-12 01:31 AM
dpa
2 1,703
which particles or phenomena in High energy physics make us needs Noncommutative Solitons in String Theory?
Apr9-12 01:49 PM
mwalmasri
0 1,243
==sample quote== It is especially wrong to talk about a mysterious “substance” to denote dark energy. The expression...
Apr9-12 12:32 PM
marcus
123 27,931
Suppose we can meld quarks into leptons and leptons into quarks vice versa. Consider the particles to all be the same,...
Apr8-12 08:30 PM
KyleStreet
0 1,484
how the decay of proton emerge from GUT Modles, did the group SO(10) contains gravity, or only the strong, weak and...
Apr8-12 05:47 PM
mwalmasri
0 1,296
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 2,053
Which and why do you believe will turn out to be more 'fundamental' (in the sense that one will prove to be the...
Apr6-12 02:15 AM
Demystifier
3 1,739
Which talks' input will contribute most to future research in Loop-and-allied quantum gravity? Since the poll is...
Apr5-12 09:32 PM
marcus
13 3,175
Carlip has argued that the dimensional reduction in many apprroaches to quantum gravity is related to the BKL limit...
Apr5-12 05:00 PM
marcus
2 2,132
i need what we mean by B-L extension of the Standard Model ?
Apr5-12 01:51 PM
arivero
1 1,147
Hi all, :shy: Could anyone explain in very simple language, for lower UGrad standard, what spin foams and spin...
Apr4-12 02:29 PM
marcus
19 3,745
I am confused about what area is being minimised in the nambu goto action..the one in the target space or the one in...
Apr4-12 10:17 AM
tom.stoer
2 1,650
It is supposed that the smallest posible black hole (BH) has mass of Planck's mass. But obviously one nucleon (or...
Apr4-12 08:22 AM
mfb
8 2,235
Daniel Schoch, "Gods as Topological Invariants", arXiv:1203.6902 Abstract: We show that the number of gods in a...
Apr4-12 02:50 AM
tom.stoer
4 1,763
Please teach me this: Does ''Higgs sector'' mean there are many Higgs particle types?Does custodial SU(2) symmetry...
Apr3-12 11:19 AM
mfb
4 3,641
http://lanl.arxiv.org/abs/1203.5719 Abstract: We study a self-consistent solution of the semi-classical Einstein...
Apr2-12 10:41 AM
Demystifier
9 2,445
In the thing I've read about string theory,nothing is mentioned about why do they vibrate. Can we tell one reason is...
Apr2-12 03:18 AM
tom.stoer
5 3,470
In this forum, "Beyond the Standard Model", most of the discussion is about quantum gravity. But technically, even...
Apr2-12 02:06 AM
mitchell porter
0 1,234
Kisielowski Lewandowski Puchta have made a significant advance in calculating the transition amplitudes between...
Mar31-12 02:09 PM
marcus
1 1,343
Gday All First time post here. I am trying to construct an animation of electron and hole flow through a conductor....
Mar30-12 09:06 PM
spycatcher
3 1,968
http://www.physicsforums.com/blog.php?b=3873 What do you think? :tongue2: Can you shed some light on that mess? Or...
Mar28-12 12:55 PM
ZapperZ
1 1,453
I think this is the right forum for this.. are there any physical reasons to assume the evolution of a quantum system...
Mar26-12 04:07 PM
naffin
25 5,250
well, from GR or LQG as well, gravity is not force but geometry right? When einstein knew gravity is geometry and...
Mar24-12 02:00 AM
tom.stoer
1 1,188
Classical Time Crystals Alfred Shapere and Frank Wilczek We consider the possibility that classical dynamical...
Mar24-12 01:08 AM
marcus
1 1,441
I believe in LQG where the theory itself regularises itself (quantised volumes).....string theory is supposed to ...
Mar23-12 02:53 PM
Mark M
4 1,781
Hi All, :smile: 1. Is it a property of all quantum gravity theories? 2. Do all string theorists and not just...
Mar23-12 10:44 AM
genneth
5 1,923
Did any of you, read this new paper by Olaf Dreyer ?.. Can someone elaborate a little, what this paper is about....
Mar20-12 07:11 PM
John232
6 1,836
Hi all, what is the meaning/difference between perturbative and non perturbative vaccum.
Mar20-12 09:51 AM
Naty1
16 2,557
There is an issue with the new paper by Bonzom and Smerlak on cellular quantization of geometry, which surfaces in an...
Mar18-12 03:08 PM
marcus
3 1,580
Hi all, Can anyone advise me on the following....I'm trying to get a more intuitive feel to classical strings and...
Mar18-12 11:06 AM
Illuminatum
0 1,116
Can someone, please, explain to me (in layman's terms, ) the theory behind early cosmological phase transitions and...
Mar17-12 10:33 AM
Naty1
3 1,604
Point is, Huerta and Baez, building upon the shoulders of M-theoretists, show us that susy is more relevant that just...
Mar15-12 12:19 PM
arivero
7 1,969
Hello everyone, Usually, I think a lot about topics like, what's beyond our observable universe?, or could there be...
Mar15-12 10:35 AM
math_way
8 1,680
Wouldn't Godel's incompleteness theorem imply that we could never have a theory of everything?
Mar15-12 01:02 AM
lugita15
19 4,604
According to wikipedia: "In physics, self-organized criticality (SOC) is a property of (classes of) dynamical...
Mar14-12 11:15 PM
MTd2
8 1,904
I have been tardy in realizing the interest/significance of some 2011 and 2012 papers co-authored by Valentin Bonzom...
Mar14-12 06:45 PM
marcus
1 1,855
In a Brane world model of two branes could both branes to have positive sign ? when the system of two positive...
Mar14-12 03:21 PM
alejandrito29
0 1,539
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
Blackforest
2 2,084

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