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- Trans-Planckian_problem abstract "In black hole physics and inflationary cosmology, the trans-Planckian problem refers to the appearance of quantities beyond the Planck scale, which raise doubts on the physical validity of some results in these two areas, since one expects the physical laws to suffer radical modifications beyond the Planck scale.In black hole physics, the original derivation of Hawking radiation involved field modes that, near the black hole horizon, have arbitrarily high frequencies—in particular, higher than the inverse Planck time, although these do not appear in the final results. A number of different alternative derivations have been proposed in order to overcome this problem.The trans-Planckian problem can be conveniently considered in the framework of sonic black holes, condensed matter systems which can be described in a similar way as real black holes. In these systems, the analogue of the Planck scale is the interatomic scale, where the continuum description loses its validity. One can study whether in these systems the analogous process to Hawking radiation still occurs despite the short-scale cutoff represented by the interatomic distance.The trans-Planckian problem also appears in inflationary cosmology. The cosmological scales that we nowadays observe correspond to length scales smaller than the Planck length at the onset of inflation.".
- Trans-Planckian_problem wikiPageID "1061151".
- Trans-Planckian_problem wikiPageLength "2076".
- Trans-Planckian_problem wikiPageOutDegree "12".
- Trans-Planckian_problem wikiPageRevisionID "664444809".
- Trans-Planckian_problem wikiPageWikiLink Black_hole.
- Trans-Planckian_problem wikiPageWikiLink Category:Black_holes.
- Trans-Planckian_problem wikiPageWikiLink Category:Inflation_(cosmology).
- Trans-Planckian_problem wikiPageWikiLink Category:Quantum_gravity.
- Trans-Planckian_problem wikiPageWikiLink Cosmic_inflation.
- Trans-Planckian_problem wikiPageWikiLink Field_(physics).
- Trans-Planckian_problem wikiPageWikiLink Frequency.
- Trans-Planckian_problem wikiPageWikiLink Hawking_radiation.
- Trans-Planckian_problem wikiPageWikiLink Inflation_(cosmology).
- Trans-Planckian_problem wikiPageWikiLink Planck_length.
- Trans-Planckian_problem wikiPageWikiLink Planck_scale.
- Trans-Planckian_problem wikiPageWikiLink Planck_time.
- Trans-Planckian_problem wikiPageWikiLink Sonic_black_hole.
- Trans-Planckian_problem wikiPageWikiLink Sonic_black_holes.
- Trans-Planckian_problem wikiPageWikiLinkText "Trans-Planckian problem".
- Trans-Planckian_problem wikiPageWikiLinkText "trans-Planckian problem".
- Trans-Planckian_problem hasPhotoCollection Trans-Planckian_problem.
- Trans-Planckian_problem wikiPageUsesTemplate Template:Multiple_issues.
- Trans-Planckian_problem wikiPageUsesTemplate Template:Quantum_gravity.
- Trans-Planckian_problem wikiPageUsesTemplate Template:Reflist.
- Trans-Planckian_problem subject Category:Black_holes.
- Trans-Planckian_problem subject Category:Inflation_(cosmology).
- Trans-Planckian_problem subject Category:Quantum_gravity.
- Trans-Planckian_problem type Article.
- Trans-Planckian_problem type Article.
- Trans-Planckian_problem type Astrophysic.
- Trans-Planckian_problem type Object.
- Trans-Planckian_problem type Physic.
- Trans-Planckian_problem comment "In black hole physics and inflationary cosmology, the trans-Planckian problem refers to the appearance of quantities beyond the Planck scale, which raise doubts on the physical validity of some results in these two areas, since one expects the physical laws to suffer radical modifications beyond the Planck scale.In black hole physics, the original derivation of Hawking radiation involved field modes that, near the black hole horizon, have arbitrarily high frequencies—in particular, higher than the inverse Planck time, although these do not appear in the final results. ".
- Trans-Planckian_problem label "Trans-Planckian problem".
- Trans-Planckian_problem sameAs m.042lgc.
- Trans-Planckian_problem sameAs Q7833559.
- Trans-Planckian_problem sameAs Q7833559.
- Trans-Planckian_problem wasDerivedFrom Trans-Planckian_problem?oldid=664444809.
- Trans-Planckian_problem isPrimaryTopicOf Trans-Planckian_problem.