Excitation of Trapped g-Mode Oscillations in Warped Disks around Black Holes

Oktariani Finny; Okazaki Atsuo T.; Kato Shoji

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Excitation of Trapped g-Mode Oscillations in Warped Disks around Black Holes

机译：激发黑洞周围翘曲盘中的陷陷g模振荡

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Inordertostudytheoriginofhigh-frequencyquasi-periodicoscillationsobservedinX-raybinaries,Kato(2004)suggestedaresonantexcitationmechanismofdiskoscillationsindeformeddisks.Inthispaper,weinvestigatenumerically,followinghisformulation,whethertrappedg-modeoscillationsinawarpeddisk,wherethewarpamplitudevarieswiththeradius,canbeexcitedbythismechanism.Forsimplicity,weadoptNewtonianhydrodynamicequationswithrelativisticexpressionsforthecharacteristicfrequenciesofdisks.Wealsoassumethattheaccretiondiskisisothermal.Wefindthatthefundamentalmodesoftrappedg-modeoscillationswitheigenfrequenciesclosetothemaximumofepicyclicfrequencyareexcited.Theintermediateoscillationsfoundareisolatedinanarrowregionaroundtheresonanceradius.Aftervaryingsomeparameters,wefindthatthegrowthrateincreasesasthewarpamplitudeortheblack-holespinparameterincreases,whileitdecreasesasthesoundspeedincreases.

机译：Inordertostudytheoriginofhigh-frequencyquasi-periodicoscillationsobservedinX-raybinaries，加藤（2004）suggestedaresonantexcitationmechanismofdiskoscillationsindeformeddisks.Inthispaper，weinvestigatenumerically，followinghisformulation，whethertrappedg-modeoscillationsinawarpeddisk，wherethewarpamplitudevarieswiththeradius，canbeexcitedbythismechanism.Forsimplicity，weadoptNewtonianhydrodynamicequationswithrelativisticexpressionsforthecharacteristicfrequenciesofdisks.Wealsoassumethattheaccretiondiskisisothermal.Wefindthatthefundamentalmodesoftrappedg-modeoscillationswitheigenfrequenciesclosetothemaximumofepicyclicfrequencyareexcited.Theintermediateoscillationsfoundareisolatedinanarrowregionaroundtheresonanceradius.Aftervaryingsomeparameters，wefindthatthegrowthrateincreasesasthewarpamplitudeortheblack-holespinparameterincreases，whileitdecreasesasthesoundspeedincreases。

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《PASJ: Publications of the Astronomical Society of Japan》 |2010年第3期|共页
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Oktariani Finny; Okazaki Atsuo T.; Kato Shoji;
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1. Excitation of trapped g-mode oscillations in warped disks around black holes [J] . Oktariani F., Okazaki A.T., Kato S. PASJ: Publications of the Astronomical Society of Japan . 2010,第3期

机译：激发黑洞周围翘曲盘中捕获的g型振荡
2. Excitation of g-Mode Oscillations on Relativistic Disks by Parametric Resonances with a Warp [J] . Kato Shoji PASJ: Publications of the Astronomical Society of Japan . 2003,第4期

机译：带有参量的参数共振激发相对论盘上的g模振荡
3. A vertical resonance of g-mode oscillations in warped disks and QPOs in low-mass X-ray binaries [J] . Kato S PASJ: Publications of the Astronomical Society of Japan . 2005,第4期

机译：低质量X射线二进制文件中扭曲磁盘和QPO中g模式振荡的垂直共振
4. Self-gravitating warped disks around nuclear black holes [C] . Ayse Ulubay-Siddiki, Ortwin Gerhard, Magda Arnaboldi International Astronomical Union . 2007

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5. Topics in accretion disk instabilities: I. Magnetized disks in intermediate polars and GK Per, and, II. Irradiated disks in black hole x-ray novae [D] . Kim, Soon-Wook 1995

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6. Disks around merging binary black holes: From GW150914 to supermassive black holes [O] . Abid Khan, Vasileios Paschalidis, Milton Ruiz, -1

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7. Excitation of Trapped g-Mode Oscillations in Warped Disks around Black Holes [O] . Finny Oktariani, Atsuo T. Okazaki 2016

机译：黑洞周围翘曲盘中陷阱g模振荡的激发
8. Spectral Index and Quasi-Periodic Oscillation Frequency Correlation in Black Hole Sources: Observational Evidence of Two Phases and Phase Transition in Black Holes [R] . Titarchuk, L. , Fiorito, R. 2004

机译：黑洞源中的光谱指数和准周期振荡频率相关：黑洞中两相和相变的观测证据

Excitation of Trapped g-Mode Oscillations in Warped Disks around Black Holes

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