I know I should be coming up with material on different topics here, but the multiverse stuff sometimes is just too hard to ignore.
His EUCOS team conducts long-term systematic computer-based studies of global phenomenology of parameter spaces of the string landscape of around 10,500 possible string-derived universes and its theorized multiverse realization.
A local paper has a news story: Physicist to discuss multiverse theory at comic convention. According to the article:
Cleaver is a physicist and early universe cosmologist at Baylor University whose area of expertise is string theories, or the concept that there are not one but multiple universes in existence…
Cleaver said when the multiverse theory was first investigated scientifically in the 1980s, the formulas made it look like a string, hence the name, but was later revised to be more spherical or bubble-like. Some call the universes “bubbleverses” as a result….
Cleaver said there are four levels of universes with ours being in the first and most simple level. The second level has its forces and can contain that of the first. The third has its own and can contain the first two and likewise with the fourth level.
String theory remains just that – a theory. Cleaver, however, feels scientists are close to proving the theory. It could be a matter of a few days or a few years but he and others like him press on with the belief that reality is bigger and much stranger than fiction.
According to his website, besides the string landscape,
Cleaver is also interested in the general concept of multiverse, not just the string/M-derived class. In his spare time he is writing a book on philosophical and theological implications of a multiverse and has contributed related chapters in associated books…
Cleaver is also a member of the XP4 division of Icarus Interstellar, a non-profit organization created by his Ph.D. graduate Dr. Richard Obousy. Members of XP4 are exploring advanced propulsion systems and energy generation concepts for interstellar spacecraft, including possible string/M-theory realization of the Alcubierre effect.
For Cleaver’s views on theology and the multiverse, see his articles here. Last fall he gave a talk to students at Baylor explaining that
a multiverse is the likely natural mechanism through which the God of infinitudes grants inherent freedom to a spatially and/or temporally infinite creation. In other words, the multiverse is God’s means of indeterminacy in action.
Update: Keeping up with the hype is getting to be beyond my powers. Just this morning there’s:
- The idea that “string theory allows time travel at the LHC” has been revived, reported on here, and Morgan Freeman has it on Through the Wormhole. This first appeared back in 2011, discussed here then.
By the way, the same site has convincing evidence for time travel, reporting earlier this year that Large Hadron Collider Predecessor May Be Four Times Larger, Much More Powerful.
- Nova has something about yet another paper describing how we’re going to observe the multiverse through bubble collisions. The paper at least admits the obvious, that if such things were observable, almost surely we would have already seen them:
a certain amount of tuning must be applied in order to construct models that produce signatures that are possibly observable but not yet ruled out by data.