{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T17:51:02Z","timestamp":1777571462124,"version":"3.51.4"},"reference-count":36,"publisher":"IOP Publishing","issue":"21","license":[{"start":{"date-parts":[[2019,10,14]],"date-time":"2019-10-14T00:00:00Z","timestamp":1571011200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2019,10,14]],"date-time":"2019-10-14T00:00:00Z","timestamp":1571011200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"name":"DGAPA-UNAM","award":["IN110218"],"award-info":[{"award-number":["IN110218"]}]},{"name":"SEP-23-005","award":["181345"],"award-info":[{"award-number":["181345"]}]},{"name":"CIC Universidad Michoacana"},{"name":"PRODEP"},{"name":"European Union\u2019s Horizon 2020 research and innovation","award":["H2020-MSCA-RISE-2017 Grant FunFiCO-777740"],"award-info":[{"award-number":["H2020-MSCA-RISE-2017 Grant FunFiCO-777740"]}]},{"DOI":"10.13039\/501100003141","name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","doi-asserted-by":"crossref","award":["IN110218"],"award-info":[{"award-number":["IN110218"]}],"id":[{"id":"10.13039\/501100003141","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Class. Quantum Grav."],"published-print":{"date-parts":[[2019,11,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    In previous work, we have found new static, spherically symmetric boson star solutions which generalize the standard boson stars (BSs) by allowing a particular superposition of scalar fields in which each of the fields is characterized by a fixed value of its non-vanishing angular momentum number\n                    <jats:inline-formula\/>\n                    . We call such solutions \u2018\n                    <jats:inline-formula\/>\n                    -boson stars\u2019. Here, we perform a series of fully non-linear dynamical simulations of perturbed\n                    <jats:inline-formula\/>\n                    -BSs in order to study their stability, and the final fate of unstable configurations. We show that for each value of\n                    <jats:inline-formula\/>\n                    , the configuration of maximum mass separates the parameter space into stable and unstable regions. Stable configurations, when perturbed, oscillate around the unperturbed solution and very slowly return to a stationary configuration. Unstable configurations, in contrast, can have three different final states: collapse to a black hole, migration to the stable branch, or explosion (dissipation) to infinity. Just as it happens with\n                    <jats:inline-formula\/>\n                    BSs, migration to the stable branch or dissipation to infinity depends on the sign of the total binding energy of the star: bound unstable stars collapse to black holes or migrate to the stable branch, whereas unbound unstable stars either collapse to a black hole or explode to infinity. Thus, the parameter\n                    <jats:inline-formula\/>\n                    allows us to construct a new set of stable configurations. All our simulations are performed in spherical symmetry, leaving a more detailed stability analysis including non-spherical perturbations for future work.\n                  <\/jats:p>","DOI":"10.1088\/1361-6382\/ab4726","type":"journal-article","created":{"date-parts":[[2019,9,24]],"date-time":"2019-09-24T18:44:49Z","timestamp":1569350689000},"page":"215013","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":36,"title":["Dynamical evolutions of\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                      <mml:mstyle>\n                        <mml:mi>\u2113<\/mml:mi>\n                      <\/mml:mstyle>\n                    <\/mml:math>\n                    -boson stars in spherical symmetry"],"prefix":"10.1088","volume":"36","author":[{"given":"Miguel","family":"Alcubierre","sequence":"first","affiliation":[]},{"given":"Juan","family":"Barranco","sequence":"additional","affiliation":[]},{"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":[]},{"given":"Miguel","family":"Megevand","sequence":"additional","affiliation":[]},{"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":[[2019,10,14]]},"reference":[{"key":"cqgab4726bib001","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.63.063506","type":"journal-article","volume":"63","author":"Matos","year":"2001","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":"2019-06-24","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2019-09-24","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2019-10-14","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}