Reply to "Comment on 'Can accretion disk properties observationally distinguish black holes from naked singularities?'"

In the Comment on "Can accretion disk properties observationally distinguish black holes from naked singularities?", by Bertrand Chauvineau, Phys. Rev. D {\bf 98}, 088501 (2018), the author did show that the metric used in Z. Kov\'{a}cs and T. Harko, Phys. Rev. D {\bf 82}, 124047 (201...

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Hauptverfasser: Kovács, Zoltán, Harko, Tiberiu, Shahidi, Shahab
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description In the Comment on "Can accretion disk properties observationally distinguish black holes from naked singularities?", by Bertrand Chauvineau, Phys. Rev. D {\bf 98}, 088501 (2018), the author did show that the metric used in Z. Kov\'{a}cs and T. Harko, Phys. Rev. D {\bf 82}, 124047 (2010), and initially introduced in K. D. Krori and D. R. Bhattacharjee, J. Math. Phys. \textbf{23}, 637 (1982) and K. K. Nandi, P. M. Alsing, J. C. Evans, and T. B. Nayak, Phys. Rev. D \textbf{63}, 084027 (2001), does not satisfy the Einstein gravitational field equations with a minimally coupled scalar field. In our reply we would like to point out that this result is actually not new, but it was already published in the literature. Moreover, a rotating solution that generalizes the Kerr metric for a nonminimally coupled scalar field does exist. We briefly discuss the nature of the singularities for the generalized metric, and point out that it can be used as a testing ground to differentiate black holes from naked singularities. We also mention the existence of some other typing or technical errors existing in the literature.
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Rev. D {\bf 98}, 088501 (2018), the author did show that the metric used in Z. Kov\'{a}cs and T. Harko, Phys. Rev. D {\bf 82}, 124047 (2010), and initially introduced in K. D. Krori and D. R. Bhattacharjee, J. Math. Phys. \textbf{23}, 637 (1982) and K. K. Nandi, P. M. Alsing, J. C. Evans, and T. B. Nayak, Phys. Rev. D \textbf{63}, 084027 (2001), does not satisfy the Einstein gravitational field equations with a minimally coupled scalar field. In our reply we would like to point out that this result is actually not new, but it was already published in the literature. Moreover, a rotating solution that generalizes the Kerr metric for a nonminimally coupled scalar field does exist. We briefly discuss the nature of the singularities for the generalized metric, and point out that it can be used as a testing ground to differentiate black holes from naked singularities. 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We also mention the existence of some other typing or technical errors existing in the literature.</description><subject>Accretion disks</subject><subject>Black holes</subject><subject>Gravitational fields</subject><subject>Naked singularities</subject><subject>Physics - General Relativity and Quantum Cosmology</subject><subject>Physics - High Energy Astrophysical Phenomena</subject><subject>Physics - High Energy Physics - Theory</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotUE1LAzEUDIJgqf0Bngz10NPWfDbZk8hiVSgI0vuSZFObdnezJttq_73Z1sPweG_mDcwAcIfRnEnO0aMKv-44xzIdkKSMXoERoRRnkhFyAyYx7hBCZCEI53QEfj5tV59g7-G08E1j2x76Fs4K1UJlTLC9S2vl4h52wXc29M5G6HW04agGTtXpO_G9a78OLm6hrpXZw62vk24TfANbtbcVjANfq-AGg6fZ9BZcb1Qd7eR_jsF6-bIu3rLVx-t78bzKFCcyE0hLInRuuRWG5AITjSpDiUSC6YXBCRuj6IIaQSpMKLOs0gnI5CluzugY3F9sz62UXXCNCqdyaKc8t5MUDxdFyvd9sLEvd_4QUq5YEkwYQlxySf8AsTto6w</recordid><startdate>20181019</startdate><enddate>20181019</enddate><creator>Kovács, Zoltán</creator><creator>Harko, Tiberiu</creator><creator>Shahidi, Shahab</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20181019</creationdate><title>Reply to "Comment on 'Can accretion disk properties observationally distinguish black holes from naked singularities?'"</title><author>Kovács, Zoltán ; Harko, Tiberiu ; Shahidi, Shahab</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a528-70b827b9e5e7c29712b0dc328074b6c1b6cfca363c72d1234e4dbe4d0c9842943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Accretion disks</topic><topic>Black holes</topic><topic>Gravitational fields</topic><topic>Naked singularities</topic><topic>Physics - General Relativity and Quantum Cosmology</topic><topic>Physics - High Energy Astrophysical Phenomena</topic><topic>Physics - High Energy Physics - Theory</topic><toplevel>online_resources</toplevel><creatorcontrib>Kovács, Zoltán</creatorcontrib><creatorcontrib>Harko, Tiberiu</creatorcontrib><creatorcontrib>Shahidi, Shahab</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science &amp; Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kovács, Zoltán</au><au>Harko, Tiberiu</au><au>Shahidi, Shahab</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reply to "Comment on 'Can accretion disk properties observationally distinguish black holes from naked singularities?'"</atitle><jtitle>arXiv.org</jtitle><date>2018-10-19</date><risdate>2018</risdate><eissn>2331-8422</eissn><abstract>In the Comment on "Can accretion disk properties observationally distinguish black holes from naked singularities?", by Bertrand Chauvineau, Phys. 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subjects Accretion disks
Black holes
Gravitational fields
Naked singularities
Physics - General Relativity and Quantum Cosmology
Physics - High Energy Astrophysical Phenomena
Physics - High Energy Physics - Theory
title Reply to "Comment on 'Can accretion disk properties observationally distinguish black holes from naked singularities?'"
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