Are redshift-space distortions actually a probe of growth of structure?

Rampei Kimura; Teruaki Suyama; Masahide Yamaguchi; Daisuke Yamauchi; Shuichiro Yokoyama

Are redshift-space distortions actually a probe of growth of structure?

Rampei Kimura, Teruaki Suyama, Masahide Yamaguchi, Daisuke Yamauchi, Shuichiro Yokoyama

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Original language	English
Title of host publication	Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017
Publisher	Hiroshima University
Pages	177-183
Number of pages	7
ISBN (Electronic)	9780000000002
Publication status	Published - 2017
Externally published	Yes
Event	27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017 - Saijo, Japan Duration: 2017 Nov 27 → 2017 Dec 1

Publication series

Name	Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017
Volume	1

Conference

Conference	27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017
Country/Territory	Japan
City	Saijo
Period	17/11/27 → 17/12/1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

Cite this

Kimura, R., Suyama, T., Yamaguchi, M., Yamauchi, D., & Yokoyama, S. (2017). Are redshift-space distortions actually a probe of growth of structure? In Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017 (pp. 177-183). (Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017; Vol. 1). Hiroshima University.

Are redshift-space distortions actually a probe of growth of structure? / Kimura, Rampei; Suyama, Teruaki; Yamaguchi, Masahide et al.
Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017. Hiroshima University, 2017. p. 177-183 (Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kimura, R, Suyama, T, Yamaguchi, M, Yamauchi, D & Yokoyama, S 2017, Are redshift-space distortions actually a probe of growth of structure? in Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017. Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017, vol. 1, Hiroshima University, pp. 177-183, 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017, Saijo, Japan, 17/11/27.

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title = "Are redshift-space distortions actually a probe of growth of structure?",

author = "Rampei Kimura and Teruaki Suyama and Masahide Yamaguchi and Daisuke Yamauchi and Shuichiro Yokoyama",

note = "Funding Information: ThisisageneralizationoftheKaiserformula. Infact, changesthecontinuityandEulerequationsforcosmo-intheminimalcouplingcase,wehaveDm=Dc=Db logicalperturbationsinanon-trivialmannerandinves- effeff intheminimalcouplingcase,wehaveDm=Dc=Db logicalperturbationsinanon-trivialmannerandinves-andfm=fm=fc = fc = fb, and heeffnce Eq. (39)eff tigateditsimpactonKRaSiDessrfmoremasuulraementsingalaxysur- and fm = fm = fc = fc = fb, and hence Eq. (39) tigateditsimpactonRSDsmeasurementsingalaxysur-isreducedtothestandardKaiserformula. However,we vey. We found that the effects of such modifications isreducedtothestandardKaiserformula. However,we vey. We found that the effects of such modifications foundthatinthepresenceofthecouplingbetweenthe appearevenatsub-horizonscalesinthepresenceofφ Non-mfouinnimdallythatcoiunptledheCpDMresenceofthecouµνplingbetweenthe appearevenatsub-horizonscalesinthepresenceofφ CDMandthescalarsectorwehavenolongertherelation and X(= −g ∂µφ∂νφ/2)-dependence of the conforµmνal feff=faswehave discussed, anCdDMit manedantshethsatcaltarhesectorandw/orehadvisefornomlaloncgeourep↵tlhinegsre.latTihone effectanivedlXine(=ar gr−gowt∂hµφ∂νφ/2)-dependence of the conformal mmeff• RSD measuersthe effective growth rate fm RSDsarenottrustableprobesofgrfmowt=hoffmstrasuctwuere.haItvedirsatcues,swedh,icanhidsiintfemrreeandsfromthatmtehaseuremanendts/orofdthiseforpemcual-couplings. Theeffectivelineargrowth isnotablethattheRSDscannotprovi•detMheetaruuseervdalf ume e↵ of n tioltisahrev eatlouccaitlier sogowf thterhadtisfet mr i b u t e daigtancolnadxaitesi,nniosnlorfnmogaeritocnorr feo- thegrowthratefmeveninthesimpilsencotasabeDwlehMetrheatt-hcoDteuhcpeoElnRi-SgnDsscpanonndots tportohveidlogare theitthrmuiecvtailmueedoferivatliivare ofveltohceitdieesnsofitythe distributed galaxies, no longer corre- formalanddisformal factors depentdheongrlyowonthφr.atSeinfcme ienven ipnertthuerbsiatmiponleancasdeiswrhatehreertchhearcacont-erizedspbonybdots htothtehedelnogar-ithmic time derivative of the density thiscase,thedeviationfromthestanford•maraldSinfanorgmdleu-rdliaedsfiorsshpmifro-t Ral SfacD ostiortbysserpdeveratioptuernbndatsoniconan nolys anontddφett. hermSeiirnine tcdeeriihe acnvat ivteual gpsefrorturorewtbacathh rationspee ancieds is rather characterized by both the den- portionaltoQ0,thiseffectissupprtehsissedcasweh,etnhtehdeebvaicatki-onfriomn getnheeralstansitduaratidonfor. mInuotlahiesrpwro-ords, tshiteyinpfeorrtmuatrbionationofs and their derivatives for each species groundevolutionofthedarkmatterpiosratlimonoaslttsaomQe0a,stthies effetchteicsosuupplipnrgesisedncwodhednitnhtehbeapcekc-uliarivnelgoecinteyrfaileldsistuanatdion. Inotherwords,theinformationof oneofthebaryon.On the other hgarnoud,ntdhevreoliustaionwiodferthedtahrektmruaettvearluiseaolfmthosetgsraomwtehasrattheeof lartghee-scoaulepslitnrugcitsuerencodedinthepeculiarvelocityfieldsand DM-DE coupling roomforsizablemodificationoftheonsetanofdatrhdeKbaairsyeornfo.r-Ontchaennotothenrecheasnsadr,ilythbereeciosnsatrwaiindedrbythestirnugelev-raeldusehoifftthegrowthrateoflarge-scalestructure mulainourgeneralsetup; evenwrhoeomn eiftorhesrizQab0 loremthoedificatRSionDsofmetasheusretanmednarts.dIKtaicanserbfeore-xtraccteandnboty unseincgesmsaruli-ly be constrained by the single-redshift baryoniccontaminationisnegligiblmysumlaaliln,fomureffcangendeirffalersetutpip;leevpeonwewrhspeencteriathoferthQe0galoraxtyhedistribRuStDionsmatedasiffuerreenmtents.Itcanbeextractedbyusingmul- fromfmbyO(1).Toseethisclearblary,yloentiucsceoxnptanamdinthateionirsednsehglifitgi.bTlhyissmfacaltl,wfmilelffpclaanyadivffiteralroletiofplempeasowuerrinsgptehcetraofthegalaxydistributionatdifferent formula(40)intermsofthebaryonf-rComDMfmratbyiotoOn(e1)gl.ecTtoseleinteharisgrcleoarwtlhy,rlateteufsmexbpyanthdetRhSeDs mreedassuhrifetm.eTnht,isanfacdtwillplayavitalroleofmeasuringthe efftheambiguityfromthebaryon contfroribmutuionla.(40Th)einletaderimngsoftihtewbilarl pyroonv-iCdeDuMs aratriicohtionfnoreglmeatction oflidnareark mgratowtetrhanratde fm by the RSDs measurement, and termgivesβeff≈fc /bg =fc/bg+∆fc/bg. T hisimmedi-dSark energy. theambiguityfromthebaryon contribution. Theleading it will provide us a rich information of dark matter and ummary atelyshowsthesingle-redshiftRSDtesrmmegiasvuerseβment≈sfcaenff/b =Afck/bnow+l∆egmfen/bts..T hisimmedi-darkenergy. notgiveaconstraintonthelineargrowthrateefffcunlesscgWcegthankcɹgElcioAbdalla,ToshifumiNoumi, atelyshowsthesingle-redshiftRSDsmeasurementscan Acknowlegments. thecontributionsfromthecouplings∆fcisfixedbyus-Masamune Oguri, Jiro Soda, Masahiro Takada, and 3 not give a constraint on the linear growth rate fc unless We thank ɹ Elcio Abdalla, Toshifumi Noumi, ingotherobservables . Thisfactdemonstratesthatone KazuhiroYamamotoformanyusefulcommentsanddis- thecontributionsfromthecouplings∆fcisfixedbyus-Masamune Oguri, Jiro Soda, Masahiro Takada, and hastokeepthisneweffectinmindwhentestingbeyond 3 cussions. This work was supported in part by JSPS Gingrootwtherh ratobsere ovablbestained.ThisffacortmdemRSonDstratesthatone KazuhiroYamamotoformanyusefulcommentsanddis- ΛCDMtheoriesbythe RSDs measurements. Even if the Grant-in-Aid for Scientific Research Nos. JP17K14304 growthindexγ≈0.55isobtainedhfasromtoRkSeDepstinhifsuntuerweeffe(cDt.iY.n)m,inJdPw17Khe14276ntestin(gRb.Ke.y)o,ndJP25287054cussions.(R.TKh.is&work was supported in part by JSPS galaxysurvey,itis still possible thΛa Ct Dt hMe ttrh uee or tthi=euesorby ay itsahrleo cwRgMSD.hYs.t)m, erJasePau26 r6et+1Dm00e6n2 tMs.(EMv.eY-n.c)oDi,futJhpPeE1l5Ki1gnG76r3ae2nftfe-(iTn-t.cSAi.)danford Scientific Research Nos. JP17K14304 differentfromthestandardΛCDMgrmoowdelth.inOdenexγwa≈y t0o.55isJPob15Ktai17659nedfr(omS.Y.R),SMDEsXTinfKutAKureENHI(DG.rY.an)t,-inJ-AiP17Kdfor14276 (R.K.), JP25287054 (R.K. & obtaintheactualgrowth rate of largalgeax-sycalseursvtreuyc,tiutreisisstillSpcosiesnitbifilecRtheatsearthcheontruIenntohveaortiyveiArs easM”C.Y.os)m,icJAcP26610062celer-(M.Y.), JP15K17632 (T.S.) and todirectlyobservethetime-evolutidionffoferestnrtucfrtomurebtyhee.sg.tandaratidonΛ”CDNosM.JmoP15H05888del. One(Mw.aY.y)tano dJPJ16H01103P15K17659(S.(Y.S.)Y., ), MEXT KAKENHI Grant-in-Aid for multipleredshiftobservationsofgalobaxtyaipnotwheersacpetcutalrumgr.owthMrEatXTe ofKAKlargeENHI-scalGersatnrutcNutumrebiesrs JPS17H06359cientificR(Tes.eSar.).chonInnovativeAreas”CosmicAcceler-Infact,wehaveastrongdegeneractyobdeitrwecetelnytohbesgerovwetthetimeN-oetveolaudtdieond.ofstructurebye.g. ation”Nos.JP15H05888(M.Y.)andJP16H01103(S.Y.), oflargescalestructure and the remdushltiifpt-ldeerpeednsdheinftceobosfervatioWnshiolfegtahliasxpyappeorwwerasspbeecitnrgumco.mpleMtedE,XRTefK. [A1K9]EaNpH-I GrantNumbersJP17H06359(T.S.). thelinearbias.Thus, to measureInfmfacbty,wmeulhtaipvlearesdt-rongpdeeagreedn,eriancywbhiecthwetehne trheedsghrioftwtsphace disNtoortetionadsdeind.the shiftobservations,weneedtofixtofhelarbigeasfsorcaleeacshtrruecdt-urecanondtexthteofreidntsehriacft-tdinegpednardkenmceatofterandWvachuiluemtheinserpgyaper was being completed, Ref. [19] ap- shiftbyusingother observations•, i.Ee.v,en in Dcross-corMr-DelatEiondirect caroeudpislincusgsed(no. t though conformal or disformal metric) thelinearbias. Thus,tomeasurefmbymultiplered-peared, inwhichtheredshiftspacedistortionsinthe betweentheclusteringofgalaxiesasnhwdiftwobeeeak saerlhrevcnash titniongea(s s,esmewe,e ocnnceelusdtioonfixthebiasforeachred-contextofinteractingdarkmatterandvacuumenergy e.g.,[13]).Afterevaluatingtheacsthuialftgrbyowuthsinrgateot,honereobservations, i.e., cross-correlation arediscussed. cancomparetheactualandeffectivbeegrtwoewetnhtrhateescltuostceonri-ng of galaxies and weak lensing (see, • Multiple-redshift RSD measurements provide us information of both the strainthecouplingsbetweentheCeD.g.M,an[13d])s.calAfartefireledv.aluating the actual growth rate, one actual growth rate andDM-DE coupling can compare the actual and effective growth rates to con-strainthecouplingsbetweentheCDMandscalarfield. Wehaveshownthattheadditionalinteractionme-diatedbythescalarfieldthatoperCatoensclounsliyonb.etween darkmatterthroughconformalanddisformalcouplings Wehaveshownthattheadditionalinteractionme-diatedbythescalarfieldthatoperatesonlybetween darkmatterthroughconformalanddisformalcouplings; 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017 ; Conference date: 27-11-2017 Through 01-12-2017",

year = "2017",

language = "English",

series = "Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017",

publisher = "Hiroshima University",

pages = "177--183",

booktitle = "Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017",