{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T00:46:02Z","timestamp":1776300362183,"version":"3.50.1"},"reference-count":32,"publisher":"IOP Publishing","issue":"17","license":[{"start":{"date-parts":[[2021,8,5]],"date-time":"2021-08-05T00:00:00Z","timestamp":1628121600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2021,8,5]],"date-time":"2021-08-05T00:00:00Z","timestamp":1628121600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"name":"UNAM","award":["IN105920"],"award-info":[{"award-number":["IN105920"]}]},{"DOI":"10.13039\/501100006087","name":"DGAPA","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100006087","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Universidad Michoacana de San Nicolas de Hidalgo"},{"name":"CIC"},{"name":"Frontera Projects"},{"name":"CONACyT","award":["286897"],"award-info":[{"award-number":["286897"]}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Class. Quantum Grav."],"published-print":{"date-parts":[[2021,9,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    In previous work we constructed new boson star solutions consisting of a family of massive complex scalar fields minimally coupled to gravity in which the individual fields have angular momentum, yet the configuration as a whole is static and spherically symmetric. In the present article we study the linear stability of these\n                    <jats:italic>\u2113<\/jats:italic>\n                    -boson stars with respect to time-dependent, radial perturbations. The pulsation equations, governing the dynamics of such perturbations are derived, generalizing previous work initiated by M Gleiser, and shown to give rise to a two-channel Schr\u00f6dinger operator. Using standard tools from the literature, we show that for each fixed value\n                    <jats:italic>\u2113<\/jats:italic>\n                    of the angular momentum number, there exists a family of\n                    <jats:italic>\u2113<\/jats:italic>\n                    -boson stars which are linearly stable with respect to radial fluctuations; in this case the perturbations oscillate in time with given characteristic frequencies which are computed and compared with the results from a nonlinear numerical simulation. Further, there is also a family of\n                    <jats:italic>\u2113<\/jats:italic>\n                    -boson stars which are linearly unstable. The two families are separated by the configuration with maximum mass. These results are qualitatively similar to the corresponding stability results of the standard boson stars with\n                    <jats:italic>\u2113<\/jats:italic>\n                    = 0, and they imply the existence of new stable configurations that are more massive and compact than usual boson stars.\n                  <\/jats:p>","DOI":"10.1088\/1361-6382\/ac0160","type":"journal-article","created":{"date-parts":[[2021,5,14]],"date-time":"2021-05-14T18:15:42Z","timestamp":1621016142000},"page":"174001","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":17,"title":["On the linear stability of\n                    <i>\u2113<\/i>\n                    -boson stars with respect to radial perturbations"],"prefix":"10.1088","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3367-9868","authenticated-orcid":false,"given":"Miguel","family":"Alcubierre","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9511-6772","authenticated-orcid":false,"given":"Juan","family":"Barranco","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3133-5957","authenticated-orcid":false,"given":"Argelia","family":"Bernal","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8603-5209","authenticated-orcid":false,"given":"Juan Carlos","family":"Degollado","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9322-3083","authenticated-orcid":false,"given":"Alberto","family":"Diez-Tejedor","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0224-9611","authenticated-orcid":false,"given":"Miguel","family":"Megevand","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0295-0053","authenticated-orcid":false,"given":"Dar\u00edo","family":"N\u00fa\u00f1ez","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0753-4449","authenticated-orcid":false,"given":"Olivier","family":"Sarbach","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2021,8,5]]},"reference":[{"key":"cqgac0160bib1","doi-asserted-by":"publisher","first-page":"1331","DOI":"10.1103\/physrev.172.1331","type":"journal-article","volume":"172","author":"Kaup","year":"1968","journal-title":"Phys. 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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":"2021-03-27","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2021-05-14","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2021-08-05","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}