{"id":"https://openalex.org/W2995404288","doi":null,"title":"Reprint of 1970A&A.....5...84Z. Gravitational instability: an approximate theory for large density perturbations.","display_name":"Reprint of 1970A&A.....5...84Z. Gravitational instability: an approximate theory for large density perturbations.","publication_year":1970,"publication_date":"1970-03-01","ids":{"openalex":"https://openalex.org/W2995404288","mag":"2995404288"},"language":"en","primary_location":{"id":"mag:2995404288","doi":null,"is_oa":false,"landing_page_url":"https://ui.adsabs.harvard.edu/abs/1970A&A.....5...84Z/abstract","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Astronomy and Astrophysics","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110148784","display_name":"Y. B. Zeldovich","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Y. B. Zeldovich","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5110148784"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.29967204,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"500","issue":"1","first_page":"13","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.48019999265670776,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.48019999265670776,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.44749999046325684,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10477","display_name":"Astrophysics and Star Formation Studies","score":0.02500000037252903,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/gravitational-instability","display_name":"gravitational instability","score":0.9990000128746033},{"id":"https://openalex.org/keywords/density-perturbations","display_name":"density perturbations","score":0.8840000033378601},{"id":"https://openalex.org/keywords/large-perturbations","display_name":"large perturbations","score":0.6069999933242798},{"id":"https://openalex.org/keywords/approximate-solutions","display_name":"approximate solutions","score":0.4449999928474426},{"id":"https://openalex.org/keywords/adiabatic-compression","display_name":"adiabatic compression","score":0.9639999866485596},{"id":"https://openalex.org/keywords/shock-waves","display_name":"shock waves","score":0.8240000009536743},{"id":"https://openalex.org/keywords/gravitational-collapse","display_name":"gravitational collapse","score":0.39800000190734863}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9229989051818848},{"id":"https://openalex.org/C2776761751","wikidata":"https://www.wikidata.org/wiki/Q15733031","display_name":"Gravitational instability","level":3,"score":0.6977810859680176},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.5997257828712463},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.4941587746143341},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.4911896884441376},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.4728396534919739},{"id":"https://openalex.org/C118396296","wikidata":"https://www.wikidata.org/wiki/Q329273","display_name":"Gravitational collapse","level":2,"score":0.4672152101993561},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.33251315355300903},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.30274125933647156}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2995404288","doi":null,"is_oa":false,"landing_page_url":"https://ui.adsabs.harvard.edu/abs/1970A&A.....5...84Z/abstract","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Astronomy and Astrophysics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1852788487","https://openalex.org/W1636028987","https://openalex.org/W68822963","https://openalex.org/W2044850883","https://openalex.org/W2076497117","https://openalex.org/W3125712594","https://openalex.org/W4230851823","https://openalex.org/W2308042273","https://openalex.org/W3014824140","https://openalex.org/W4236773088"],"abstract_inverted_index":{"An":[0],"approximate":[1],"solution":[2,21],"is":[3,22,34],"given":[4],"for":[5],"the":[6,9,14,27,59],"problem":[7],"of":[8,11,16],"growth":[10],"perturbations":[12,28],"during":[13],"expansion":[15],"matter":[17,61],"without":[18],"pressure.":[19],"The":[20,43],"qualitatively":[23],"correct":[24],"even":[25],"when":[26],"are":[29,46,62],"not":[30],"small.":[31],"Infinite":[32],"density":[33],"first":[35,48],"obtained":[36],"on":[37],"disc-like":[38],"surfaces":[39],"by":[40,52],"unilateral":[41],"compression.":[42],"following":[44],"layers":[45],"compressed":[47,60],"adiabatically":[49],"and":[50],"then":[51],"a":[53],"shook":[54],"wave.":[55],"Physical":[56],"conditions":[57],"in":[58],"analysed.":[63]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":7},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2019-12-26T00:00:00"}