Acceleration of a universe with -ve Cosmological Constant

[shreyakmath]

I have read this new paper by Stephen Hawking and collegues.
It is very interesting to see the use of wavefunctions to show the acceleration of a universe with lambda<0 which fits in the framework of string theory and quantum mechanics. This technique bridges quantum mechanics and general relativity to a satisfactory level.

I wish to have your feedback on the paper.
The link is below:

http://arxiv.org/abs/1205.3807

 

[marcus]

I have read this new paper by Stephen Hawking and collegues.
It is very interesting to see the use of wavefunctions to show the acceleration of a universe with lambda<0 which fits in the framework of string theory and quantum mechanics. This technique bridges quantum mechanics and general relativity to a satisfactory level.

I wish to have your feedback on the paper.
The link is below:

http://arxiv.org/abs/1205.3807

We already have a thread commenting on this paper:
https://www.physicsforums.com/showthread.php?t=606988
The thread is just a little ways down the menu from yours (about 16 or 17 items down) and it is called "Accelerated Expansion from Negative Lambda".

"MTd2" started the thread in mid-May as soon as the paper appeared and Brian Powell immediately made an intelligent observation:

Yes. This might just be the adrenaline needle getting plunged into the heart of string theory.

Basically, I think, we are waiting to see what the professional string research community does with this: whether (after this shot of adrenaline) the apparently dead body on the operating table gets up and walks away

 

[marcus]

Here are some links to check for any response to the paper.

This page will list any new research papers which CITE it as reference:
http://arxiv.org/cits/1205.3807

This page will list the talks scheduled for the annual Strings convention to be held in about 6 weeks:
http://wwwth.mpp.mpg.de/members/strings/strings2012/strings_files/program/talks.html

 

[shreyakmath]

Ok. Thanx