Osaka Feedback Model III: Cosmological Simulation CROCODILE
We introduce our new cosmological simulation dataset CROCODILE, executed using the GADGET4-Osaka smoothed particle hydrodynamics code. This simulation incorporates an updated supernova (SN) feedback model of Oku et al. (2022) and an active galactic nuclei (AGN) feedback model. A key innovation in ou...
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| creator | Oku, Yuri Nagamine, Kentaro |
| description | We introduce our new cosmological simulation dataset CROCODILE, executed
using the GADGET4-Osaka smoothed particle hydrodynamics code. This simulation
incorporates an updated supernova (SN) feedback model of Oku et al. (2022) and
an active galactic nuclei (AGN) feedback model. A key innovation in our SN
feedback model is the integration of a metallicity- and redshift-dependent,
top-heavy IMF. Our SN model introduces a new consideration that results in an
order of magnitude difference in the energy injection rate per unit stellar
mass formed at high redshift. The CROCODILE dataset is comprehensive,
encompassing a variety of runs with diverse feedback parameters. This allows
for an in-depth exploration of the relative impacts of different feedback
processes in galactic evolution. Our initial comparisons with observational
data, spanning the galaxy stellar mass function, the star formation main
sequence, and the mass-metallicity relation, show promising agreement,
especially for the Fiducial run. These results establish a solid foundation for
our future work. We find that SN feedback is a key driver in the chemical
enrichment of the IGM. Additionally, the AGN feedback creates metal-rich,
bipolar outflows that extend and enrich the CGM and IGM over a few Mpc scales. |
| doi_str_mv | 10.48550/arxiv.2401.06324 |
| format | Article |
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using the GADGET4-Osaka smoothed particle hydrodynamics code. This simulation
incorporates an updated supernova (SN) feedback model of Oku et al. (2022) and
an active galactic nuclei (AGN) feedback model. A key innovation in our SN
feedback model is the integration of a metallicity- and redshift-dependent,
top-heavy IMF. Our SN model introduces a new consideration that results in an
order of magnitude difference in the energy injection rate per unit stellar
mass formed at high redshift. The CROCODILE dataset is comprehensive,
encompassing a variety of runs with diverse feedback parameters. This allows
for an in-depth exploration of the relative impacts of different feedback
processes in galactic evolution. Our initial comparisons with observational
data, spanning the galaxy stellar mass function, the star formation main
sequence, and the mass-metallicity relation, show promising agreement,
especially for the Fiducial run. These results establish a solid foundation for
our future work. We find that SN feedback is a key driver in the chemical
enrichment of the IGM. Additionally, the AGN feedback creates metal-rich,
bipolar outflows that extend and enrich the CGM and IGM over a few Mpc scales.</description><identifier>DOI: 10.48550/arxiv.2401.06324</identifier><language>eng</language><subject>Physics - Astrophysics of Galaxies</subject><creationdate>2024-01</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2401.06324$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2401.06324$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Oku, Yuri</creatorcontrib><creatorcontrib>Nagamine, Kentaro</creatorcontrib><title>Osaka Feedback Model III: Cosmological Simulation CROCODILE</title><description>We introduce our new cosmological simulation dataset CROCODILE, executed
using the GADGET4-Osaka smoothed particle hydrodynamics code. This simulation
incorporates an updated supernova (SN) feedback model of Oku et al. (2022) and
an active galactic nuclei (AGN) feedback model. A key innovation in our SN
feedback model is the integration of a metallicity- and redshift-dependent,
top-heavy IMF. Our SN model introduces a new consideration that results in an
order of magnitude difference in the energy injection rate per unit stellar
mass formed at high redshift. The CROCODILE dataset is comprehensive,
encompassing a variety of runs with diverse feedback parameters. This allows
for an in-depth exploration of the relative impacts of different feedback
processes in galactic evolution. Our initial comparisons with observational
data, spanning the galaxy stellar mass function, the star formation main
sequence, and the mass-metallicity relation, show promising agreement,
especially for the Fiducial run. These results establish a solid foundation for
our future work. We find that SN feedback is a key driver in the chemical
enrichment of the IGM. Additionally, the AGN feedback creates metal-rich,
bipolar outflows that extend and enrich the CGM and IGM over a few Mpc scales.</description><subject>Physics - Astrophysics of Galaxies</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotj71OwzAYAL0woMIDMOEXSPhc_8OETAuRgiK13aMvsY2sOhglgODtEYXpttMdIVcMamGkhBucv9JnvRbAalB8Lc7JXbfgEek2BD_geKTPxYdMm6a5pa4sU8nlJY2Y6T5NHxnfU3mlbte57qFpNxfkLGJewuU_V-Sw3RzcU9V2j427bytUWlReIQzSytFg1CEMYA0YEaJRIrAYLPNCo_bGABdcKvA6WgjGsojIFQe-Itd_2lN9_zanCefv_veiP13wH1y7P-o</recordid><startdate>20240111</startdate><enddate>20240111</enddate><creator>Oku, Yuri</creator><creator>Nagamine, Kentaro</creator><scope>GOX</scope></search><sort><creationdate>20240111</creationdate><title>Osaka Feedback Model III: Cosmological Simulation CROCODILE</title><author>Oku, Yuri ; Nagamine, Kentaro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a674-d6a0b595c8af7eeb098084ef864e1fe91d47a7d880343560d7f90e891faa36303</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Physics - Astrophysics of Galaxies</topic><toplevel>online_resources</toplevel><creatorcontrib>Oku, Yuri</creatorcontrib><creatorcontrib>Nagamine, Kentaro</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Oku, Yuri</au><au>Nagamine, Kentaro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Osaka Feedback Model III: Cosmological Simulation CROCODILE</atitle><date>2024-01-11</date><risdate>2024</risdate><abstract>We introduce our new cosmological simulation dataset CROCODILE, executed
using the GADGET4-Osaka smoothed particle hydrodynamics code. This simulation
incorporates an updated supernova (SN) feedback model of Oku et al. (2022) and
an active galactic nuclei (AGN) feedback model. A key innovation in our SN
feedback model is the integration of a metallicity- and redshift-dependent,
top-heavy IMF. Our SN model introduces a new consideration that results in an
order of magnitude difference in the energy injection rate per unit stellar
mass formed at high redshift. The CROCODILE dataset is comprehensive,
encompassing a variety of runs with diverse feedback parameters. This allows
for an in-depth exploration of the relative impacts of different feedback
processes in galactic evolution. Our initial comparisons with observational
data, spanning the galaxy stellar mass function, the star formation main
sequence, and the mass-metallicity relation, show promising agreement,
especially for the Fiducial run. These results establish a solid foundation for
our future work. We find that SN feedback is a key driver in the chemical
enrichment of the IGM. Additionally, the AGN feedback creates metal-rich,
bipolar outflows that extend and enrich the CGM and IGM over a few Mpc scales.</abstract><doi>10.48550/arxiv.2401.06324</doi><oa>free_for_read</oa></addata></record> |
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| title | Osaka Feedback Model III: Cosmological Simulation CROCODILE |
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