{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T09:19:57Z","timestamp":1740129597122,"version":"3.37.3"},"reference-count":25,"publisher":"IOP Publishing","issue":"21","license":[{"start":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T00:00:00Z","timestamp":1727654400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/page\/copyright"},{"start":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T00:00:00Z","timestamp":1727654400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"DOI":"10.13039\/100010661","name":"Horizon 2020 Framework Programme","doi-asserted-by":"crossref","award":["101131233"],"award-info":[{"award-number":["101131233"]}],"id":[{"id":"10.13039\/100010661","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","award":["UIDB\/04459\/2020"],"award-info":[{"award-number":["UIDB\/04459\/2020"]}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Class. Quantum Grav."],"published-print":{"date-parts":[[2024,11,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>We study the motion of an elastic rigid rod which is radially free-falling towards a Schwarzschild black hole. This is accomplished by reducing the corresponding free-boundary partial differential equation problem to a sequence of ODEs, which we integrate numerically. Starting with a rod at rest, we show that it is possible to choose its initial compression profile so that its midpoint falls substantially faster, or slower, than a free-falling particle with the same initial conditions. This seems to be a purely kinematic effect, since on average there is no net transfer of elastic energy to mechanical energy.<\/jats:p>","DOI":"10.1088\/1361-6382\/ad7a4a","type":"journal-article","created":{"date-parts":[[2024,9,12]],"date-time":"2024-09-12T23:29:35Z","timestamp":1726183775000},"page":"215002","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Free-falling motion of an elastic rigid rod towards a Schwarzschild black hole"],"prefix":"10.1088","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-0109-3362","authenticated-orcid":true,"given":"Lu\u00eds","family":"Machado","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0885-9867","authenticated-orcid":true,"given":"Jos\u00e9","family":"Nat\u00e1rio","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2669-615X","authenticated-orcid":true,"given":"Jorge Drumond","family":"Silva","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2024,9,30]]},"reference":[{"key":"cqgad7a4abib1","doi-asserted-by":"publisher","first-page":"559","DOI":"10.1002\/cpa.20302","article-title":"Rotating elastic bodies in Einstein gravity","volume":"63","author":"Andersson","year":"2009","journal-title":"Commun. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2024-04-23","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2024-09-12","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2024-09-30","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}