
This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Jul2714 12:49 AM
marcus

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64,251 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

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26,072 
http://arxiv.org/abs/1407.0989
White hole anyone?..^^
"...intense gravity creates a horizon, but it is not an...

T 12:11 AM
marcus

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I think Markopoulou and Oriti have been sniffing this out a long time. Note that Wen has heuristically linked tensor...

T 12:10 AM
atyy

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Video:
http://pirsa.org/14070019
Asymmetric Hawking Radiation: Baryogenesis from Hawking Radiation
Anson Hook...

Y 09:37 PM
marcus

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In the "perche i nostri discorsi" thread, selfAdjoint gave a concise sketch of the direction that Carlo Rovelli sees...

Y 08:12 PM
marcus

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539,062 
In the standard model, electric charge isn't fundamental, it's a combination of "hypercharge" and what could be called...

Jul2814 06:01 PM
arivero

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In a communication channel there is the timebandwidth product limiting the amount of information that can pass...

Jul2814 05:16 PM
friend

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706 
I've heard that the strings in String theory are vacuums, is that right? And if so then how is it expected they form?

Jul2814 10:34 AM
kneemo

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269 
Hello,
Is string theory or M theory wrong ? Isn't it the theory of everything ? Should we continue our research to...

Jul2814 10:13 AM
kneemo

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7,798 
http://arxiv.org/abs/1407.3384
Why do we remember the past and not the future? The 'time oriented coarse graining'...

Jul2814 09:51 AM
julcab12

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Seriously excellent talk given Monday 23 June at the Princeton Strings 2014 conference by Paul Steinhardt:...

Jul2714 05:24 PM
marcus

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285 
Just as particles move through the theoretical Higgs field and gain energy which gives them mass, do the strings in...

Jul2614 08:22 PM
ChrisVer

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Can something even exist without energy? And if it can will it truly not move?To be clear I know E=mc2 but can...

Jul2614 07:43 PM
Vanadium 50

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I've thought about this a lot and have tried to find the answer but have been unsuccessful. In the event of the big...

Jul2614 03:22 PM
Natsirt

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I know what a Weyl anomaly is. I see terms like "typeA" anomaly and "Dtype" anomalies in the literature. What does...

Jul2614 04:04 AM
maverick280857

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298 
http://perimeterinstitute.ca/news/turbulentblackholes
In the article above they talk about how the Gravity around...

Jul2514 08:49 PM
Natsirt

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361 
In 'Supersymmetry in Particle Physics, An Elementary Introduction', the author Ian Aitchison used for several times...

Jul2514 07:27 AM
haushofer

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I've been doing research on Le Sage's theory of gravitation, anyone interested in discussing the possibility of "push...

Jul2414 09:23 PM
jtbell

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I am currently reading the paper given here by Acharya+Gukov titled "M Theory and Singularities of Exceptional...

Jul2114 08:47 AM
d.hatch75

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Of the twenty candidates, indicate the ones you think will prove most significant for future Loopandallied QG...

Jul2014 11:31 PM
marcus

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4,495 
Hi,
(I'm not sure if this belongs in the BSM forum...apologies to the moderator if it belongs there.)
I'm...

Jul1814 11:21 PM
samalkhaiat

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2,421 
Bei Lok Hu at the University of Maryland has a review article on the "fundamental decoherence" research topic, which...

Jul1714 12:40 AM
marcus

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8,193 
Hi, if you remember back a decade ago we had a discussion on solutions to the first edition of Zwiebach's...

Jul1314 01:36 PM
MathematicalPhysicist

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1,570 
Hello guys.
From my understanding of the Hawking radiation, it is a consequence of QFT in curved space time. The...

Jul1114 03:13 AM
Demystifier

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3,726 
Can string theory explain dark matter and dark energy?

Jul914 07:39 AM
jedishrfu

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1,899 
Is t hooft's model of (deteministic) quantum mechanics a viable model?
http://arxiv.org/pdf/1207.3612.pdf...

Jul814 02:40 PM
DrChinese

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2,696 
Hello community! I found this paper and I wanted to share it with you and know what are your thoughts about it.
The...

Jul814 07:25 AM
twistor

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1,920 
http://arxiv.org/abs/1403.2099
SU(8) unification with bosonfermion balance
Stephen L. Adler
(Submitted on 9 Mar...

Jul614 07:19 AM
stevendaryl

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3,627 
In a new paper
http://lanl.arxiv.org/abs/1407.0989
Haggar and Rovelli offer a new solution to the blackhole...

Jul514 02:14 PM
Demystifier

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Hi,
while I'm going deeper in my SR/GR knowledge, having LQG unrderstanding as main goal ( my QM background and...

Jul414 11:00 AM
RiccardoVen

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8,606 
Could someone please settle something conceptually for me if possible? marcus, if you catch this, please help me out....

Jul414 01:10 AM
marcus

5 
2,802 
Probably a bit abstract,but I was thinking if 4D closed strings could form knots? I mean if a closed string in...

Jul314 03:45 AM
LotusPond_14

6 
3,934 
It is too new for me to know for sure but I think it probably is. The action has a new kind of momentum, consisting of...

Jul314 02:55 AM
marcus

3 
2,182 
Of the twenty candidates, indicate the ones you think will prove most significant for future QG research. Since the...

Jun3014 06:41 PM
marcus

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I found an now historical article of witten speaking about the fate of spacetime, and I wanted to share it with you.
...

Jun2814 05:26 PM
twistor

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The authors Chirco, Haggard, Riello, and Rovelli (CHR&R) have just posted what I think is a major paper proposing to...

Jun2214 04:59 PM
marcus

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Here are some papers on cosmology I wanted to share with you. What are your opinions about them?
...

Jun2014 02:55 PM
Blackforest

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==from conclusions section on page 4 of Barrau Linsefors June paper==
V. REBIRTH OF THE UNIVERSE AND TESTS OF THE...

Jun1914 09:38 AM
MTd2

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I just logged this on the biblio thread. This is in case there are questions, or things people want to discuss....

Jun1414 09:44 PM
marcus

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I've been reading Brian Greene's books and he says the math for describing even the simplest physical phenomenon in...

Jun1414 07:35 PM
Matterwave

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2,706 
Hi.
I've been reading that if one places a Dp brane in a 10d space then it's possible to have a string with ...

Jun1114 04:18 PM
Greg Bernhardt

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2,511 