• Source: Pocket universe

A pocket universe or bubble universe, also colloquially called pocket dimension, is a concept in inflationary theory, proposed by Alan Guth.




Description


It defines a realm like the one that contains the observable universe as only one of many inflationary zones.
Astrophysicist Jean-Luc Lehners, of the Princeton Center for Theoretical Science, has argued that an inflationary universe does produce pockets. In his 2012 journal, Lehners wrote about how pocket universes can emerge as a result of eternal inflation. The mechanisms of inflation within these pocket universes could function in a variety of manners, such as slow-roll inflation, undergoing cycles of cosmological evolution, or resembling of the Galilean genesis or other 'emergent' universe scenarios. Lehners goes on to discuss which one of these types of universes we live in, and how that is dependent on the measurement of the regulation of infinities inherent in eternal inflation.
But, Lehners continues, "the current leading measure proposals—namely, the global light-cone cutoff and its local counterpart, the causal diamond measure—as well as closely related proposals, all predict that we should live in a pocket universe that starts out with a small Hubble rate, thus favoring emergent and cyclic models." Lehners adds, "Pocket universes which undergo cycles are further preferred, because they produce habitable conditions repeatedly inside each pocket."




In media


Pocket dimensions are used as a plot device in myriad media. In the SCP Foundation series of collaborative writing, SCP-106, otherwise known as "The Old Man," dwells in a pocket dimension into which it lures its victims.




References

• Source: Pocket Universe

Pocket Universe is the ninth studio album by the Swiss band Yello. It was released on 24 February 1997 through Mercury Records. Production was handled by Yello and Carl Cox, with Ian Tregoning and Leos Gerteis serving as vocal co-producers. It features a lone guest appearance from Stina Nordenstam.
The album peaked at number 7 in Switzerland, number 9 in Norway, number 17 in Germany, number 21 in Austria, number 29 in Sweden and number 71 in the Netherlands.
Its lead single, "To the Sea", made it to number 23 in Switzerland, number 48 in Sweden and number 83 in Germany. The song "On Track" reached number 16 on the US Hot Dance Music/Club Play chart.




Track listing



Notes
Track 12 is a bonus track not mentioned on track list.




Personnel


Boris Blank — producer, composer, arrangement, engineering
Dieter Meier — lyrics & vocals (tracks: 1–5, 7–11), producer (tracks: 1–6, 8–11)
Kristina Ulrika "Stina" Nordenstam — lyrics & vocals (track 6)
Carl Cox — producer (track 7)
Ian Tregoning — vocal co-producer
Leos Gerteis — vocal co-producer
Steffen "Stevie B-Zet" Britzke — re-mixing (track 12)
Kevin Metcalfe — mastering
Martin Wanner — cover
Peter Zumsteg — management




Charts






References






External links


Yello – Pocket Universe at Discogs (list of releases)

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