Modeling the Cosmological Lyman-$α$ Forest at the Field Level

Fuente: arXiv

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	de Belsunce, Roger, Ivanov, Mikhail M., Sullivan, James M., Akitsu, Kazuyuki, Chen, Shi-Fan
Format:	Preprint
Veröffentlicht:	2025
Schlagworte:	Cosmology and Nongalactic Astrophysics
Online-Zugang:	Acceder al recurso
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Ähnliche Einträge

Bridging Simulations and EFT: A Hybrid Model of the Lyman-Alpha Forest Field
von: de Belsunce, Roger, et al.
Veröffentlicht: (2025)

Equilateral non-Gaussian Bias at the Field Level
von: Sharma, Divij, et al.
Veröffentlicht: (2025)

The ACCEL2 Project: Precision Measurements of EFT Parameters and BAO Peak Shifts for the Lyman-$α$ Forest
von: de Belsunce, Roger, et al.
Veröffentlicht: (2024)

The Compressed 3D Lyman-Alpha Forest Bispectrum
von: de Belsunce, Roger, et al.
Veröffentlicht: (2025)

Mapping the galaxy-halo connection to the galaxy bias: implication to the HOD-informed prior
von: Akitsu, Kazuyuki
Veröffentlicht: (2024)

The 3D Lyman-$α$ Forest Power Spectrum from eBOSS DR16
von: de Belsunce, Roger, et al.
Veröffentlicht: (2024)

Effective Field Theory Constraints on Primordial Black Holes from the High-Redshift Lyman-$α$ Forest
von: Ivanov, Mikhail M., et al.
Veröffentlicht: (2025)

Cosmology inference with perturbative forward modeling at the field level: a comparison with joint power spectrum and bispectrum analyses
von: Akitsu, Kazuyuki, et al.
Veröffentlicht: (2025)

Measuring and unbiasing the BAO shift in the Lyman-Alpha forest with AbacusSummit
von: Hadzhiyska, Boryana, et al.
Veröffentlicht: (2025)

Fresh Look at Neutrino Self-Interactions With the Lyman-$α$ Forest: Constraints from EFT and PRIYA Simulations
von: He, Adam, et al.
Veröffentlicht: (2025)

Lyman Alpha Forest - Halo Cross-Correlations in Effective Field Theory
von: Chudaykin, Anton, et al.
Veröffentlicht: (2025)

Local Primordial Non-Gaussian Bias at the Field Level
von: Sullivan, James M., et al.
Veröffentlicht: (2024)

Analytic compression of the effective field theory of the Lyman-alpha forest
von: Karaçaylı, N. G., et al.
Veröffentlicht: (2026)

Cosmological Constraints from the eBOSS Lyman-$α$ Forest using the PRIYA Simulations
von: Fernandez, M. A., et al.
Veröffentlicht: (2023)

Quadratic shape biases in three-dimensional halo intrinsic alignments
von: Akitsu, Kazuyuki, et al.
Veröffentlicht: (2023)

The Lyman-$α$ Forest from LBGs: First 3D Correlation Measurement with DESI and Prospects for Cosmology
von: Herrera-Alcantar, Hiram K., et al.
Veröffentlicht: (2025)

BOSS Constraints on Massive Particles during Inflation: The Cosmological Collider in Action
von: Cabass, Giovanni, et al.
Veröffentlicht: (2024)

Galaxy sizes as complementary (zero-)bias tracers of local primordial non-Gaussianity
von: Nguyen, Nhat-Minh, et al.
Veröffentlicht: (2026)

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$α$ forest
von: Chaves-Montero, Jonás
Veröffentlicht: (2026)

PRIYA: A New Suite of Lyman-alpha Forest Simulations for Cosmology
von: Bird, Simeon, et al.
Veröffentlicht: (2023)

ForestFlow: predicting the Lyman-$α$ forest clustering from linear to nonlinear scales
von: Chaves-Montero, J., et al.
Veröffentlicht: (2024)

Ly$α$NNA: A Deep Learning Field-level Inference Machine for the Lyman-$α$ Forest
von: Nayak, Parth, et al.
Veröffentlicht: (2023)

Stepping into the Forest: Confronting Interacting Radiation Models for the Hubble Tension with Lyman-$α$ Data
von: Bagherian, Hengameh, et al.
Veröffentlicht: (2024)

Searching for Parity Violation in SDSS DR16 Lyman-α Forest Data
von: Adari, Prakruth, et al.
Veröffentlicht: (2024)

The Effects of AGN Feedback on the Lyman-$α$ Forest Flux Power Spectrum
von: Tillman, Megan Taylor, et al.
Veröffentlicht: (2024)

Lyman-$α$ Forest Signatures of Mixed Fuzzy and Cold Dark Matter
von: Wang, Yourong Frank
Veröffentlicht: (2026)

Maximum A Posteriori Ly-alpha Estimator (MAPLE): Band-power and covariance estimation of the 3D Ly-alpha forest power spectrum
von: Horowitz, Benjamin, et al.
Veröffentlicht: (2024)

Modeling of the High Column Density systems in The Lyman-Alpha Forest
von: Tan, T., et al.
Veröffentlicht: (2025)

Imprints of primordial magnetic fields on intrinsic alignments of galaxies
von: Saga, Shohei, et al.
Veröffentlicht: (2023)

Forecast Cosmological Constraints with the 1D Wavelet Scattering Transform and the Lyman-$α$ forest
von: Tohfa, Hurum Maksora, et al.
Veröffentlicht: (2023)

Constraining Dynamical Dark Energy from Galaxy Clustering with Simulation-Based Priors
von: Chen, Shu-Fan, et al.
Veröffentlicht: (2025)

Generation of Lognormal Synthetic Lyman-$α$ Forest Spectra for $P_{1D}$ Analysis
von: Herbold, Meagan, et al.
Veröffentlicht: (2025)

Playground of Lognormal Seminumerical Simulations of~the~Lyman~$α$ Forest: Thermal History of the Intergalactic Medium
von: Ondro, Tomas, et al.
Veröffentlicht: (2024)

Validation of the DESI 2024 Lyman Alpha Forest BAL Masking Strategy
von: Martini, Paul, et al.
Veröffentlicht: (2024)

Cosmic Shear in Effective Field Theory at Two-Loop Order: Revisiting $S_8$ in Dark Energy Survey Data
von: Chen, Shi-Fan, et al.
Veröffentlicht: (2026)

Constraining cosmology with N-body simulations for future spectroscopic galaxy surveys at $2\leq z\leq 3$
von: Pu, Sy-Yun, et al.
Veröffentlicht: (2024)

Low-redshift 3D Lyman-α Forest Correlations with China Space Station Telescope
von: Tan, Ting, et al.
Veröffentlicht: (2025)

Impact of Systematic Redshift Errors on the Cross-correlation of the Lyman-$α$ Forest with Quasars at Small Scales Using DESI Early Data
von: Bault, Abby, et al.
Veröffentlicht: (2024)

Simulation-Based Priors without Simulations: an Analytic Perspective on EFT Parameters of Galaxies
von: Ivanov, Mikhail M.
Veröffentlicht: (2025)

Weighing neutrinos with Lyman-$α$ observations
von: Sarkar, Anjan K., et al.
Veröffentlicht: (2023)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"de"
VUFIND_SESSION	"a57ee538bd6831b526703d4b3ba40c0c"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790896962.7392 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "a57ee538bd6831b526703d4b3ba40c0c" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=de; VUFIND_SESSION=a57ee538bd6831b526703d4b3ba40c0c; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.142"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"10625"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2507_00284/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2507_00284/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790896962.7264
REQUEST_TIME	1790896962

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler