{"id":"https://openalex.org/W7225802481","doi":"https://doi.org/10.5281/zenodo.24123525","title":"The Shear Threshold at the Aldred Limit: How Much Anisotropy a Spin-Torsion Bounce Can Survive","display_name":"The Shear Threshold at the Aldred Limit: How Much Anisotropy a Spin-Torsion Bounce Can Survive","publication_year":2026,"publication_date":"2026-11-11","ids":{"openalex":"https://openalex.org/W7225802481","doi":"https://doi.org/10.5281/zenodo.24123525"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.24123525","doi":"https://doi.org/10.5281/zenodo.24123525","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24123525","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.24123525","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5161362375","display_name":"William Alexander Aldred","orcid":"https://orcid.org/0009-0000-1215-577X","observed_orcids":["https://orcid.org/0009-0000-1215-577X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Aldred, William Alexander","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0009-0000-1215-577X","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5161362375"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9639000296592712,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9639000296592712,"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/T11415","display_name":"Noncommutative and Quantum Gravity Theories","score":0.018400000408291817,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/T11960","display_name":"Relativity and Gravitational Theory","score":0.007400000002235174,"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":[],"concepts":[{"id":"https://openalex.org/C96035792","wikidata":"https://www.wikidata.org/wiki/Q43606218","display_name":"Shear (geology)","level":2,"score":0.692799985408783},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.626800000667572},{"id":"https://openalex.org/C85725439","wikidata":"https://www.wikidata.org/wiki/Q466686","display_name":"Anisotropy","level":2,"score":0.5960999727249146},{"id":"https://openalex.org/C2778049214","wikidata":"https://www.wikidata.org/wiki/Q7512234","display_name":"Sigma","level":2,"score":0.5145999789237976},{"id":"https://openalex.org/C165682214","wikidata":"https://www.wikidata.org/wiki/Q461293","display_name":"Shear rate","level":3,"score":0.49869999289512634},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.4584999978542328},{"id":"https://openalex.org/C184050105","wikidata":"https://www.wikidata.org/wiki/Q273163","display_name":"Isotropy","level":2,"score":0.4115000069141388},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4032000005245209},{"id":"https://openalex.org/C66882249","wikidata":"https://www.wikidata.org/wiki/Q169336","display_name":"Homogeneous","level":2,"score":0.39910000562667847},{"id":"https://openalex.org/C101082671","wikidata":"https://www.wikidata.org/wiki/Q7520832","display_name":"Simple shear","level":3,"score":0.38190001249313354},{"id":"https://openalex.org/C135889238","wikidata":"https://www.wikidata.org/wiki/Q46276","display_name":"Kinetic energy","level":2,"score":0.3224000036716461},{"id":"https://openalex.org/C21141959","wikidata":"https://www.wikidata.org/wiki/Q657936","display_name":"Shear stress","level":2,"score":0.29350000619888306},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.2849999964237213},{"id":"https://openalex.org/C166126730","wikidata":"https://www.wikidata.org/wiki/Q725309","display_name":"Planck","level":2,"score":0.26829999685287476},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.2630000114440918},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2581999897956848},{"id":"https://openalex.org/C144423054","wikidata":"https://www.wikidata.org/wiki/Q7261154","display_name":"Pure shear","level":4,"score":0.25600001215934753},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.2556999921798706}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.24123525","doi":"https://doi.org/10.5281/zenodo.24123525","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24123525","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},{"id":"doi:10.5281/zenodo.24123526","doi":"https://doi.org/10.5281/zenodo.24123526","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24123526","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"}],"best_oa_location":{"id":"doi:10.5281/zenodo.24123525","doi":"https://doi.org/10.5281/zenodo.24123525","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24123525","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0],"a":[1,121,155,163],"homogeneous":[2],"but":[3],"anisotropic":[4],"collapse":[5],"of":[6,69,104,124],"Bianchi":[7],"I":[8],"type,":[9],"shear":[10,36,43,92,103,127,134,144,169],"acts":[11],"as":[12,44],"an":[13,45],"additional":[14],"positive":[15],"energy":[16,135],"density":[17,48],"and":[18],"competes":[19],"with":[20],"the":[21,27,34,37,42,60,67,80,90,101,110,114,117,125,138,142,171,175],"negative":[22],"spin-torsion":[23,164],"term":[24],"that":[25,161],"produces":[26],"Aldred":[28],"Limit":[29],"bounce.":[30],"This":[31],"paper":[32],"computes":[33],"largest":[35],"bounce":[38,118],"can":[39],"survive.":[40],"Writing":[41],"equivalent":[46],"mass":[47],"rho_sigma":[49,63],"=":[50,84,95],"sigma":[51,94],"squared":[52],"divided":[53],"by":[54],"(16":[55],"pi":[56],"G":[57],"c":[58],"squared),":[59],"turnaround":[61,165,176],"requires":[62],"to":[64,148],"stay":[65],"below":[66,170],"maximum":[68],"rho(1":[70],"-":[71],"rho/rho_A),":[72],"which":[73],"is":[74,93,154],"rho_A/4.":[75],"For":[76],"neutron":[77],"matter":[78],"at":[79,113],"headline":[81],"bound":[82],"rho_A":[83],"9.72e+54":[85],"g":[86],"per":[87,97,106,150],"cubic":[88],"centimetre,":[89],"critical":[91,143],"8.559e+32":[96,149],"second.":[98,151],"Set":[99],"against":[100],"Planck-scale":[102],"3.942e+52":[105],"second":[107],"obtained":[108],"from":[109,146,182],"same":[111],"formula":[112],"Planck":[115],"density,":[116],"occupies":[119],"only":[120],"fraction":[122],"2.171e-20":[123],"available":[126],"range":[128],"in":[129,133],"amplitude,":[130],"or":[131],"4.713e-40":[132],"density.":[136,177],"Across":[137],"published":[139],"prescription":[140],"band":[141],"runs":[145],"4.279e+32":[147],"The":[152],"result":[153],"sharp,":[156],"checkable":[157],"statement:":[158],"any":[159],"simulation":[160],"claims":[162],"must":[166],"keep":[167],"its":[168],"computed":[172,181],"threshold":[173],"near":[174],"All":[178],"results":[179],"are":[180],"stated":[183],"assumptions,":[184],"not":[185],"measured.":[186]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-11-12T00:00:00"}