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Sökning: onr:"swepub:oai:DiVA.org:kth-325088" > Modified Gravity Ap...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004903naa a2200457 4500
001oai:DiVA.org:kth-325088
003SwePub
008230329s2023 | |||||||||||000 ||eng|
009oai:DiVA.org:su-215786
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3250882 URI
0247 a https://doi.org/10.3390/universe90200632 DOI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2157862 URI
040 a (SwePub)kthd (SwePub)su
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a for2 swepub-publicationtype
1001 a Bernardo, Heliudsonu McGill Univ, Dept Phys, Ernest Rutherford Phys Bldg,3600 Rue Univ, Montreal, PQ H3A 2T8, Canada.4 aut
2451 0a Modified Gravity Approaches to the Cosmological Constant Problem
264 c 2023-01-20
264 1b MDPI,c 2023
338 a print2 rdacarrier
500 a QC 20230329
520 a The cosmological constant and its phenomenology remain among the greatest puzzles in theoretical physics. We review how modifications of Einstein's general relativity could alleviate the different problems associated with it that result from the interplay of classical gravity and quantum field theory. We introduce a modern and concise language to describe the problems associated with its phenomenology, and inspect no-go theorems and their loopholes to motivate the approaches discussed here. Constrained gravity approaches exploit minimal departures from general relativity; massive gravity introduces mass to the graviton; Horndeski theories lead to the breaking of translational invariance of the vacuum; and models with extra dimensions change the symmetries of the vacuum. We also review screening mechanisms that have to be present in some of these theories if they aim to recover the success of general relativity on small scales as well. Finally, we summarize the statuses of these models in their attempts to solve the different cosmological constant problems while being able to account for current astrophysical and cosmological observations.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a cosmological constant problem
653 a modified gravity
653 a self-tuning
7001 a Bose, Benjaminu Univ Geneva, Dept Phys Theor, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland.;Univ Edinburgh, Inst Astron, Royal Observ, Blackford Hill, Edinburgh EH9 3HJ, Scotland.;Basic Res Community Phys eV, Veddeler Bruckenstr 122, D-20539 Hamburg, Germany.4 aut
7001 a Franzmann, Guilhermeu Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Basic Research Community for Physics e.V., Germany,Basic Res Community Phys eV, Veddeler Bruckenstr 122, D-20539 Hamburg, Germany.; Nordita SU, Hannes Alfvens Vag 12, SE-10691 Stockholm, Sweden.;Stockholm Univ, Hannes Alfvens vag 12, SE-10691 Stockholm, Sweden.4 aut0 (Swepub:su)gufr4256
7001 a Hagstotz, Steffenu Ludwig Maximilians Univ Munchen, Univ Sternwarte, Fak Phys, Scheinerstr 1, D-81679 Munich, Germany.;Excellence Cluster ORIGINS, Boltzmannstr 2, D-85748 Garching, Germany.4 aut
7001 a He, Yutongu Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Oskar Klein-centrum för kosmopartikelfysik (OKC),Nordita SU, Hannes Alfvens Vag 12, SE-10691 Stockholm, Sweden.;Stockholm Univ, Hannes Alfvens vag 12, SE-10691 Stockholm, Sweden.;Stockholm Univ, Oskar Klein Ctr Cosmoparticle Phys, Roslagstullsbacken 21A, SE-10691 Stockholm, Sweden.4 aut0 (Swepub:su)yuhe7392
7001 a Litsa, Alikiu Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC),Stockholm Univ, Oskar Klein Ctr Cosmoparticle Phys, Roslagstullsbacken 21A, SE-10691 Stockholm, Sweden.4 aut0 (Swepub:su)alli4843
7001 a Niedermann, Florianu Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Nordita SU, Hannes Alfvens Vag 12, SE-10691 Stockholm, Sweden.;Stockholm Univ, Hannes Alfvens vag 12, SE-10691 Stockholm, Sweden.4 aut0 (Swepub:su)flni8051
7102 a McGill Univ, Dept Phys, Ernest Rutherford Phys Bldg,3600 Rue Univ, Montreal, PQ H3A 2T8, Canada.b Univ Geneva, Dept Phys Theor, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland.;Univ Edinburgh, Inst Astron, Royal Observ, Blackford Hill, Edinburgh EH9 3HJ, Scotland.;Basic Res Community Phys eV, Veddeler Bruckenstr 122, D-20539 Hamburg, Germany.4 org
7730 t Universed : MDPIg 9:2q 9:2x 2218-1997
8564 u https://doi.org/10.3390/universe9020063y Fulltext
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-325088
8564 8u https://doi.org/10.3390/universe9020063
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-215786

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