An iterative reconstruction of cosmological initial density fields

Hada, Ryuichiro; Eisenstein, Daniel J.

doi:10.1093/mnras/sty1203

Title: An iterative reconstruction of cosmological initial density fields

Abstract

We present an iterative method to reconstruct the linear-theory initial conditions from the late-time cosmological matter density field, with the intent of improving the recovery of the cosmic distance scale from the baryon acoustic oscillations. We present tests using the dark matter density field in both real and redshift space generated from an N-body simulation. In redshift space at z = 0.5, we find that the reconstructed displacement field using our iterative method are more than 80 percent correlated with the true displacement field of the dark matter particles on scales k < 0.10 h Mpc^-1. Furthermore, we show that the two-point correlation function of our reconstructed density field matches that of the initial density field substantially better, especially on small scales (<40 h^-1 Mpc). Our redshift-space results are improved if we use an anisotropic smoothing so as to account for the reduced small-scale information along the line of sight in redshift space.

Authors:

^[1]; Eisenstein, Daniel J. ^[2]

Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States); Tohoku Univ., Sendai (Japan)
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)

Publication Date:: Fri May 11 00:00:00 EDT 2018

Research Org.:: Harvard Univ., Cambridge, MA (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1540619

Grant/Contract Number:: SC0013718

Resource Type:: Accepted Manuscript

Journal Name:: Monthly Notices of the Royal Astronomical Society

Additional Journal Information:: Journal Volume: 478; Journal Issue: 2; Journal ID: ISSN 0035-8711

Publisher:: Royal Astronomical Society

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics

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                    Hada, Ryuichiro, and Eisenstein, Daniel J. An iterative reconstruction of cosmological initial density fields.  United States: N. p., 2018. 
Web.  doi:10.1093/mnras/sty1203.

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                    Hada, Ryuichiro, & Eisenstein, Daniel J. An iterative reconstruction of cosmological initial density fields.  United States.  https://doi.org/10.1093/mnras/sty1203

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                    Hada, Ryuichiro, and Eisenstein, Daniel J. Fri .  
"An iterative reconstruction of cosmological initial density fields".  United States.  https://doi.org/10.1093/mnras/sty1203.  https://www.osti.gov/servlets/purl/1540619.

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@article{osti_1540619,

  title        = {An iterative reconstruction of cosmological initial density fields},

  author       = {Hada, Ryuichiro and Eisenstein, Daniel J.},

  abstractNote = {We present an iterative method to reconstruct the linear-theory initial conditions from the late-time cosmological matter density field, with the intent of improving the recovery of the cosmic distance scale from the baryon acoustic oscillations. We present tests using the dark matter density field in both real and redshift space generated from an N-body simulation. In redshift space at z = 0.5, we find that the reconstructed displacement field using our iterative method are more than 80 percent correlated with the true displacement field of the dark matter particles on scales k < 0.10 h Mpc-1. Furthermore, we show that the two-point correlation function of our reconstructed density field matches that of the initial density field substantially better, especially on small scales (<40 h-1 Mpc). Our redshift-space results are improved if we use an anisotropic smoothing so as to account for the reduced small-scale information along the line of sight in redshift space.},

  doi          = {10.1093/mnras/sty1203},

  journal      = {Monthly Notices of the Royal Astronomical Society},

  number       = 2,

  volume       = 478,

  place        = {United States},

  year         = {Fri May 11 00:00:00 EDT 2018},

  month        = {Fri May 11 00:00:00 EDT 2018}

}

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Title: An iterative reconstruction of cosmological initial density fields

Abstract

Citation Formats

Halo Nonlinear Reconstruction journal, September 2017

Quantifying the Bull’s‐Eye Effect journal, January 2004

Combining galaxy and 21-cm surveys journal, February 2016

The detectability of baryonic acoustic oscillations in future galaxy surveys: BAO detectability in future galaxy surveys journal, December 2007

Improving initial conditions for cosmological N -body simulations journal, July 2016

Improving Cosmological Distance Measurements by Reconstruction of the Baryon Acoustic Peak journal, August 2007

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Planck 2015 results : XXIII. The thermal Sunyaev-Zeldovich effect-cosmic infrared background correlation journal, September 2016

Observational probes of cosmic acceleration journal, September 2013

Baryonic signatures in large-scale structure journal, April 1999

Planck 2015 results : XIII. Cosmological parameters journal, September 2016

Perturbation Theory Reloaded: Analytical Calculation of Nonlinearity in Baryonic Oscillations in the Real‐Space Matter Power Spectrum journal, November 2006

Baryonic Acoustic Oscillations in Simulated Galaxy Redshift Surveys journal, November 2005

Primeval Adiabatic Perturbation in an Expanding Universe journal, November 1970

Extragalactic science, cosmology, and Galactic archaeology with the Subaru Prime Focus Spectrograph journal, February 2014

The Bull's-Eye Effect: Are Galaxy Walls Observationally Enhanced? journal, April 1997

Isobaric Reconstruction of the Baryonic Acoustic Oscillation journal, June 2017

Modelling the redshift-space distortion of galaxy clustering journal, May 1998

Baryon Acoustic Oscillations reconstruction with pixels journal, September 2017

Infall-related observational effects around clusters: Large-scale structure, transverse motions, and redshift-space artifacts journal, February 1994

Modeling the reconstructed BAO in Fourier space journal, May 2016

A 2 per cent distance to z = 0.35 by reconstructing baryon acoustic oscillations – I. Methods and application to the Sloan Digital Sky Survey : A 2 per cent distance to z = 0.35 journal, November 2012

Simulations of the formation, evolution and clustering of galaxies and quasars journal, June 2005

Reconstruction within the Zeldovich approximation journal, May 2015

Bias and variance of angular correlation functions journal, July 1993

Towards an optimal reconstruction of baryon oscillations journal, October 2012

The 2dF Galaxy Redshift Survey: power-spectrum analysis of the final data set and cosmological implications journal, September 2005

Clustering in real space and in redshift space journal, July 1987

Simulations of baryon oscillations journal, January 2007

The mildly non-linear regime of structure formation journal, April 2012

Detection of the Baryon Acoustic Peak in the Large‐Scale Correlation Function of SDSS Luminous Red Galaxies journal, November 2005

Testing approximations for non-linear gravitational clustering journal, February 1993

Large-scale structure of the Universe and cosmological perturbation theory journal, September 2002

Galaxy bias and its Effects on the Baryon Acoustic Oscillation Measurements journal, May 2011

Physical Foundations of Cosmology book, September 2012

Reconstructing baryon oscillations: A Lagrangian theory perspective journal, March 2009

Iterative initial condition reconstruction journal, July 2017

Redshift-space distortions, pairwise velocities, and nonlinearities journal, October 2004

High-Precision Predictions for the Acoustic Scale in the Nonlinear Regime journal, August 2010

New method for initial density reconstruction journal, January 2018

Nonlinear reconstruction journal, December 2017

The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final data set and cosmological implications text, January 2005

Planck 2015 results : X. Diffuse component separation: Foreground maps journal, September 2016

Computer Simulation Using Particles book, January 1988

Planck 2015 results : XVI. Isotropy and statistics of the CMB journal, September 2016

Planck 2015 results : XXVI. The Second journal, September 2016

Computer Simulation Using Particles book, January 1988

High-precision predictions for the acoustic scale in the non-linear regime text, January 2009

The Mildly Non-Linear Regime of Structure Formation text, January 2011

Towards an Optimal Reconstruction of Baryon Oscillations text, January 2012

Planck 2015 results. XIII. Cosmological parameters text, January 2015

Improving Initial Conditions for Cosmological $N$-Body Simulations text, January 2016

Isobaric Reconstruction of the Baryonic Acoustic Oscillation text, January 2017

New method for initial density reconstruction text, January 2017

Large-Scale Structure of the Universe and Cosmological Perturbation Theory text, January 2001

The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final dataset and cosmological implications text, January 2005

On the Robustness of the Acoustic Scale in the Low-Redshift Clustering of Matter text, January 2006

Improving Cosmological Distance Measurements by Reconstruction of the Baryon Acoustic Peak text, January 2006

Modelling the redshift-space distortion of galaxy clustering text, January 1997

Reconstruction of cosmological initial conditions from galaxy redshift catalogues text, January 1999

Understanding the Reconstruction of the Biased Tracer journal, January 2019

Application of the iterative reconstruction to simulated galaxy fields journal, November 2018

A rigorous EFT-based forward model for large-scale structure journal, January 2019

Dipole distortions in the intergalactic medium journal, June 2019

A Zeldovich reconstruction method for measuring redshift space distortions using cosmic voids journal, October 2018

Reconstructing the baryon acoustic oscillations using biased tracers journal, December 2018

Nonlinear Reconstruction of the Velocity Field journal, December 2019

The reconstructed power spectrum in the Zeldovich approximation journal, September 2019

Improving baryon acoustic oscillation measurement with the combination of cosmic voids and galaxies journal, November 2019

A Zeldovich reconstruction method for measuring redshift space distortions using cosmic voids text, January 2018

Understanding the Reconstruction of the Biased Tracer text, January 2018

A rigorous EFT-based forward model for large-scale structure text, January 2018

Dipole Distortions in the Intergalactic Medium text, January 2018

The Reconstructed Power Spectrum in the Zeldovich Approximation text, January 2019

Halo Nonlinear Reconstruction
journal, September 2017

Quantifying the Bull’s‐Eye Effect
journal, January 2004

Combining galaxy and 21-cm surveys
journal, February 2016

The detectability of baryonic acoustic oscillations in future galaxy surveys: BAO detectability in future galaxy surveys
journal, December 2007

Improving initial conditions for cosmological N -body simulations
journal, July 2016

Improving Cosmological Distance Measurements by Reconstruction of the Baryon Acoustic Peak
journal, August 2007

On the Robustness of the Acoustic Scale in the Low‐Redshift Clustering of Matter
journal, August 2007

Constraints on the dark energy equation of state from the imprint of baryons on the power spectrum of clusters
journal, September 2005

Reconstruction of cosmological initial conditions from galaxy redshift catalogues
journal, September 1999

The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample
journal, March 2017

Planck 2015 results : XXIII. The thermal Sunyaev-Zeldovich effect-cosmic infrared background correlation
journal, September 2016

Observational probes of cosmic acceleration
journal, September 2013

Baryonic signatures in large-scale structure
journal, April 1999

Planck 2015 results : XIII. Cosmological parameters
journal, September 2016

Perturbation Theory Reloaded: Analytical Calculation of Nonlinearity in Baryonic Oscillations in the Real‐Space Matter Power Spectrum
journal, November 2006

Baryonic Acoustic Oscillations in Simulated Galaxy Redshift Surveys
journal, November 2005

Primeval Adiabatic Perturbation in an Expanding Universe
journal, November 1970

Extragalactic science, cosmology, and Galactic archaeology with the Subaru Prime Focus Spectrograph
journal, February 2014

The Bull's-Eye Effect: Are Galaxy Walls Observationally Enhanced?
journal, April 1997

Isobaric Reconstruction of the Baryonic Acoustic Oscillation
journal, June 2017

Modelling the redshift-space distortion of galaxy clustering
journal, May 1998

Baryon Acoustic Oscillations reconstruction with pixels
journal, September 2017

Infall-related observational effects around clusters: Large-scale structure, transverse motions, and redshift-space artifacts
journal, February 1994

Modeling the reconstructed BAO in Fourier space
journal, May 2016

A 2 per cent distance to z = 0.35 by reconstructing baryon acoustic oscillations – I. Methods and application to the Sloan Digital Sky Survey : A 2 per cent distance to z = 0.35
journal, November 2012

Simulations of the formation, evolution and clustering of galaxies and quasars
journal, June 2005

Reconstruction within the Zeldovich approximation
journal, May 2015

Bias and variance of angular correlation functions
journal, July 1993

Towards an optimal reconstruction of baryon oscillations
journal, October 2012

The 2dF Galaxy Redshift Survey: power-spectrum analysis of the final data set and cosmological implications
journal, September 2005

Clustering in real space and in redshift space
journal, July 1987

Simulations of baryon oscillations
journal, January 2007

The mildly non-linear regime of structure formation
journal, April 2012

Detection of the Baryon Acoustic Peak in the Large‐Scale Correlation Function of SDSS Luminous Red Galaxies
journal, November 2005

Testing approximations for non-linear gravitational clustering
journal, February 1993

Large-scale structure of the Universe and cosmological perturbation theory
journal, September 2002

Galaxy bias and its Effects on the Baryon Acoustic Oscillation Measurements
journal, May 2011

Physical Foundations of Cosmology
book, September 2012

Reconstructing baryon oscillations: A Lagrangian theory perspective
journal, March 2009

Iterative initial condition reconstruction
journal, July 2017

Redshift-space distortions, pairwise velocities, and nonlinearities
journal, October 2004

High-Precision Predictions for the Acoustic Scale in the Nonlinear Regime
journal, August 2010

New method for initial density reconstruction
journal, January 2018

Nonlinear reconstruction
journal, December 2017

The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final data set and cosmological implications
text, January 2005

Planck 2015 results : X. Diffuse component separation: Foreground maps
journal, September 2016

Computer Simulation Using Particles
book, January 1988

Planck 2015 results : XVI. Isotropy and statistics of the CMB
journal, September 2016

Planck 2015 results : XXVI. The Second
journal, September 2016

Computer Simulation Using Particles
book, January 1988

High-precision predictions for the acoustic scale in the non-linear regime
text, January 2009

The Mildly Non-Linear Regime of Structure Formation
text, January 2011

Towards an Optimal Reconstruction of Baryon Oscillations
text, January 2012

Planck 2015 results. XIII. Cosmological parameters
text, January 2015

Improving Initial Conditions for Cosmological $N$-Body Simulations
text, January 2016

Isobaric Reconstruction of the Baryonic Acoustic Oscillation
text, January 2017

New method for initial density reconstruction
text, January 2017

Large-Scale Structure of the Universe and Cosmological Perturbation Theory
text, January 2001

The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final dataset and cosmological implications
text, January 2005

On the Robustness of the Acoustic Scale in the Low-Redshift Clustering of Matter
text, January 2006

Improving Cosmological Distance Measurements by Reconstruction of the Baryon Acoustic Peak
text, January 2006

Modelling the redshift-space distortion of galaxy clustering
text, January 1997

Reconstruction of cosmological initial conditions from galaxy redshift catalogues
text, January 1999

Understanding the Reconstruction of the Biased Tracer
journal, January 2019

Application of the iterative reconstruction to simulated galaxy fields
journal, November 2018

A rigorous EFT-based forward model for large-scale structure
journal, January 2019

Dipole distortions in the intergalactic medium
journal, June 2019

A Zeldovich reconstruction method for measuring redshift space distortions using cosmic voids
journal, October 2018

Reconstructing the baryon acoustic oscillations using biased tracers
journal, December 2018

Nonlinear Reconstruction of the Velocity Field
journal, December 2019

The reconstructed power spectrum in the Zeldovich approximation
journal, September 2019

Improving baryon acoustic oscillation measurement with the combination of cosmic voids and galaxies
journal, November 2019

A Zeldovich reconstruction method for measuring redshift space distortions using cosmic voids
text, January 2018

Understanding the Reconstruction of the Biased Tracer
text, January 2018

A rigorous EFT-based forward model for large-scale structure
text, January 2018

Dipole Distortions in the Intergalactic Medium
text, January 2018

The Reconstructed Power Spectrum in the Zeldovich Approximation
text, January 2019

Nonlinear Reconstruction of the Velocity Field
text, January 2019