GalNUC SIGNED
Astrophysical Dynamics and Statistical Physics of Galactic Nuclei
Total Cost €
0EC-Contrib. €
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Explore the words cloud of the GalNUC project. It provides you a very rough idea of what is the project "GalNUC" about.
Project "GalNUC" data sheet
The following table provides information about the project.
| Coordinator |
EOTVOS LORAND TUDOMANYEGYETEM
Organization address contact info |
| Coordinator Country | Hungary [HU] |
| Project website | http://sns.ias.edu/ |
| Total cost | 1˙511˙436 € |
| EC max contribution | 1˙511˙436 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2014-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2015 |
| Duration (year-month-day) | from 2015-08-01 to 2020-07-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | EOTVOS LORAND TUDOMANYEGYETEM | HU (BUDAPEST) | coordinator | 1˙511˙436.00 |
Map
Project objective
We address some of the major unsolved questions of galactic nuclei using methods of condensed matter physics. Galactic nuclei host a central supermassive black hole, a dense population of stars and compact objects, and in many cases a bright gaseous disk feeding the supermassive black hole. The observed stellar distribution exhibits both spherical and counterrotating disk-like structures. Existing theoretical models cannot convincingly explain the origin of the stellar disks. Is there also a “dark cusp” or “dark disk” of stellar mass black holes? Are there intermediate mass black holes in the Galactic center? We examine the statistical physics of galactic nuclei and their long term dynamical evolution. A star orbiting a supermassive black hole on an eccentric precessing orbit covers an axisymmetric annulus. The long-term gravitational interaction between such annuli is similar to the Coulomb interaction between axisymmetric molecules constituting a liquid crystal. We apply standard methods of condensed matter physics to examine these astrophysical systems. The observed disk and spherical structures represent isotropic-nematic phase transitions. We derive the phase space distribution and time-evolution of different stellar components including a population of black holes. Further, we investigate the interaction of a stellar cluster with a gaseous disk, if present. This leads to the formation of gaps, warps, and spiral waves in the disk, the redistribution of stellar objects, and possibly the formation of intermediate mass black holes. We explore the implications for electromagnetic and gravitational wave observatories. Dark disks of black holes could provide the most frequent source of gravitational waves for LIGO and VIRGO. These detectors will open a new window on the Universe; the proposed project will open a new field in gravitational wave astrophysics to interpret the sources. We also explore implications for electromagnetic observations.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Y. Yang, I. Bartos, V. Gayathri, K. E. S. Ford, Z. Haiman, S. Klimenko, B. Kocsis, S. Márka, Z. Márka, B. McKernan, R. O’Shaughnessy Hierarchical Black Hole Mergers in Active Galactic Nuclei published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.123.181101 |
Physical Review Letters 123/18 | 2020-04-01 |
| 2019 |
Giacomo Fragione, Nathan W C Leigh, Rosalba Perna, Bence Kocsis Tidal disruption events on to stellar black holes in triples published pages: 727-737, ISSN: 0035-8711, DOI: 10.1093/mnras/stz2213 |
Monthly Notices of the Royal Astronomical Society 489/1 | 2020-04-01 |
| 2019 |
Ãkos Szölgyén, Yohai Meiron, Bence Kocsis Anisotropic Mass Segregation in Rotating Globular Clusters published pages: 123, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab50bb |
The Astrophysical Journal 887/2 | 2020-04-01 |
| 2019 |
Giacomo Fragione, Bence Kocsis Black hole mergers from quadruples published pages: 4781-4789, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1175 |
Monthly Notices of the Royal Astronomical Society 486/4 | 2020-04-01 |
| 2019 |
László Gondán, Bence Kocsis Measurement Accuracy of Inspiraling Eccentric Neutron Star and Black Hole Binaries Using Gravitational Waves published pages: 178, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaf893 |
The Astrophysical Journal 871/2 | 2020-04-01 |
| 2019 |
Kohei Hattori, Naoteru Gouda, Hiromichi Tagawa, Nobuyuki Sakai, Taihei Yano, Junichi Baba, Jun Kumamoto Metallicity dependence of the Hercules stream in Gaia/RAVE data – explanation by non-closed orbits published pages: 4540-4562, ISSN: 0035-8711, DOI: 10.1093/mnras/stz266 |
Monthly Notices of the Royal Astronomical Society 484/4 | 2020-04-01 |
| 2019 |
Y. Yang, I. Bartos, Z. Haiman, B. Kocsis, Z. Márka, N. C. Stone, S. Márka AGN Disks Harden the Mass Distribution of Stellar-mass Binary Black Hole Mergers published pages: 122, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab16e3 |
The Astrophysical Journal 876/2 | 2020-04-01 |
| 2018 |
Giacomo Fragione, Bence Kocsis Black Hole Mergers from an Evolving Population of Globular Clusters published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.161103 |
Physical Review Letters 121/16 | 2020-04-01 |
| 2019 |
Bao-Minh Hoang, Smadar Naoz, Bence Kocsis, Will M. Farr, Jessica McIver Detecting Supermassive Black Hole–induced Binary Eccentricity Oscillations with LISA published pages: L31, ISSN: 2041-8213, DOI: 10.3847/2041-8213/ab14f7 |
The Astrophysical Journal 875/2 | 2020-04-01 |
| 2019 |
K Rainer Corley, Imre Bartos, Leo P Singer, Andrew R Williamson, Zoltán Haiman, Bence Kocsis, Samaya Nissanke, Zsuzsa Márka, Szabolcs Márka Localization of binary black hole mergers with known inclination published pages: 4459-4463, ISSN: 0035-8711, DOI: 10.1093/mnras/stz2072 |
Monthly Notices of the Royal Astronomical Society 488/3 | 2020-04-01 |
| 2019 |
Alexander Rasskazov, Giacomo Fragione, Nathan W. C. Leigh, Hiromichi Tagawa, Alberto Sesana, Adrian Price-Whelan, Elena Maria Rossi Hypervelocity Stars from a Supermassive Black Hole–Intermediate-mass Black Hole Binary published pages: 17, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab1c5d |
The Astrophysical Journal 878/1 | 2020-04-01 |
| 2018 |
Giacomo Fragione, Nathan W. C. Leigh, Idan Ginsburg, Bence Kocsis Tidal Disruption Events and Gravitational Waves from Intermediate-mass Black Holes in Evolving Globular Clusters across Space and Time published pages: 119, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aae486 |
The Astrophysical Journal 867/2 | 2020-04-01 |
| 2019 |
Yohai Meiron, Bence Kocsis Resonant Relaxation in Globular Clusters published pages: 138, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab1b32 |
The Astrophysical Journal 878/2 | 2020-04-01 |
| 2017 |
Imre Bartos, Bence Kocsis, Zoltán Haiman, Szabolcs Márka Rapid and Bright Stellar-mass Binary Black Hole Mergers in Active Galactic Nuclei published pages: 165, ISSN: 1538-4357, DOI: 10.3847/1538-4357/835/2/165 |
The Astrophysical Journal 835/2 | 2019-09-17 |
| 2017 |
Yohai Meiron, Bence Kocsis, Abraham Loeb DETECTING TRIPLE SYSTEMS WITH GRAVITATIONAL WAVE OBSERVATIONS published pages: 200, ISSN: 1538-4357, DOI: 10.3847/1538-4357/834/2/200 |
The Astrophysical Journal 834/2 | 2019-09-17 |
| 2018 |
László Gondán, Bence Kocsis, Péter Raffai, Zsolt Frei Accuracy of Estimating Highly Eccentric Binary Black Hole Parameters with Gravitational-wave Detections published pages: 34, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaad0e |
The Astrophysical Journal 855/1 | 2019-09-17 |
| 2018 |
Bao-Minh Hoang, Smadar Naoz, Bence Kocsis, Frederic A. Rasio, Fani Dosopoulou Black Hole Mergers in Galactic Nuclei Induced by the Eccentric Kozai–Lidov Effect published pages: 140, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaafce |
The Astrophysical Journal 856/2 | 2019-09-17 |
| 2016 |
Yonadav Barry Ginat, Yohai Meiron, Noam Soker The influence of mergers and ram-pressure stripping on black hole–bulge correlations published pages: 3533-3541, ISSN: 0035-8711, DOI: 10.1093/mnras/stw1566 |
Monthly Notices of the Royal Astronomical Society 461/4 | 2019-09-17 |
| 2016 |
Ryan M. O’Leary, Yohai Meiron, Bence Kocsis DYNAMICAL FORMATION SIGNATURES OF BLACK HOLE BINARIES IN THE FIRST DETECTED MERGERS BY LIGO published pages: L12, ISSN: 2041-8213, DOI: 10.3847/2041-8205/824/1/L12 |
The Astrophysical Journal 824/1 | 2019-09-17 |
| 2018 |
Alberto Sesana, Zoltán Haiman, Bence Kocsis, Luke Zoltan Kelley Testing the Binary Hypothesis: Pulsar Timing Constraints on Supermassive Black Hole Binary Candidates published pages: 42, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaad0f |
The Astrophysical Journal 856/1 | 2019-09-17 |
| 2018 |
Giacomo Fragione, Idan Ginsburg, Bence Kocsis Gravitational Waves and Intermediate-mass Black Hole Retention in Globular Clusters published pages: 92, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aab368 |
The Astrophysical Journal 856/2 | 2019-09-17 |
| 2018 |
Bence Kocsis, Teruaki Suyama, Takahiro Tanaka, Shuichiro Yokoyama Hidden Universality in the Merger Rate Distribution in the Primordial Black Hole Scenario published pages: 41, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaa7f4 |
The Astrophysical Journal 854/1 | 2019-09-17 |
| 2016 |
Kennedy, Gareth F.; Meiron, Yohai; Shukirgaliyev, Bekdaulet; Panamarev, Taras; Berczik, Peter; Just, Andreas; Spurzem, Rainer Star-disc interaction in galactic nuclei: orbits and rates of accreted stars published pages: 240-255, ISSN: 0035-8711, DOI: 10.5281/zenodo.437518 |
Monthly Notices of the Royal Astronomical Society 460/1 | 2019-09-17 |
| 2018 |
Yohai Meiron, Bence Kocsis Diffusion and Mixing in Globular Clusters published pages: 87, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaadac |
The Astrophysical Journal 855/2 | 2019-09-17 |
| 2018 |
Ãdám Takács, Bence Kocsis Isotropic–Nematic Phase Transitions in Gravitational Systems. II. Higher Order Multipoles published pages: 113, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aab268 |
The Astrophysical Journal 856/2 | 2019-09-17 |
| 2016 |
Stephan, Alexander P.; Naoz, Smadar; Ghez, Andrea M.; Witzel, Gunther; Sitarski, Breann N.; Do, Tuan; Kocsis, Bence Merging binaries in the Galactic Center: the eccentric Kozai–Lidov mechanism with stellar evolution published pages: 3494-3504, ISSN: 0035-8711, DOI: 10.5281/zenodo.437526 |
Monthly Notices of the Royal Astronomical Society 460/4 | 2019-09-17 |
| 2017 |
Zacharias Roupas, Bence Kocsis, Scott Tremaine Isotropic–Nematic Phase Transitions in Gravitational Systems published pages: 90, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa7141 |
The Astrophysical Journal 842/2 | 2019-09-17 |
| 2015 |
Timothy D. Brandt, Bence Kocsis DISRUPTED GLOBULAR CLUSTERS CAN EXPLAIN THE GALACTIC CENTER GAMMA-RAY EXCESS published pages: 15, ISSN: 1538-4357, DOI: 10.1088/0004-637X/812/1/15 |
The Astrophysical Journal 812/1 | 2019-09-17 |
| 2018 |
Hiromichi Tagawa, Takayuki R. Saitoh, Bence Kocsis Compact Object Mergers Driven by Gas Fallback published pages: 261101, ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.261101 |
Physical Review Letters 120/26 | 2019-09-17 |
| 2018 |
Taras Panamarev, Bekdaulet Shukirgaliyev, Yohai Meiron, Peter Berczik, Andreas Just, Rainer Spurzem, Chingis Omarov, Emmanuil Vilkoviskij Star–disc interaction in galactic nuclei: formation of a central stellar disc published pages: 4224-4233, ISSN: 0035-8711, DOI: 10.1093/mnras/sty459 |
Monthly Notices of the Royal Astronomical Society 476/3 | 2019-09-17 |
| 2018 |
Manuel Arca-Sedda, Bence Kocsis, Timothy D Brandt Gamma-ray and X-ray emission from the Galactic centre: hints on the nuclear star cluster formation history published pages: 900-916, ISSN: 0035-8711, DOI: 10.1093/mnras/sty1454 |
Monthly Notices of the Royal Astronomical Society 479/1 | 2019-09-17 |
| 2018 |
Hiromichi Tagawa, Masayuki Umemura Merger of Multiple Accreting Black Holes Concordant with Gravitational-wave Events published pages: 47, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aab0a4 |
The Astrophysical Journal 856/1 | 2019-09-17 |
| 2018 |
Ãkos Szölgyén, Bence Kocsis Black Hole Disks in Galactic Nuclei published pages: 101101, ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.101101 |
Physical Review Letters 121/10 | 2019-09-17 |
| 2018 |
László Gondán, Bence Kocsis, Péter Raffai, Zsolt Frei Eccentric Black Hole Gravitational-wave Capture Sources in Galactic Nuclei: Distribution of Binary Parameters published pages: 5, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aabfee |
The Astrophysical Journal 860/1 | 2019-09-17 |
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