2014國際會(huì)議：引力波工程構(gòu)建座談會(huì)第一頁，共30頁。OutlineBackgroundandMotivationDetectionsystemsforcosmological

high-frequencygravitationalwavesChallengeandOpportunity2第二頁，共30頁。Whygotohigherfrequencies?

Otherbranchesofastronomydevelopedthroughmulti-frequencyobservationsForfrequencies>1MHzCosmologicalsignalsfromthePlanckera.KKmodeoscillationsinhigherdimensionsEMW-plasmainstabilitiesgenerateGW’sOtherpossiblethermalgravitationalwavesources.第三頁，共30頁。TheSouthPoleTelescope暴漲模型原初引力波在微波背景上產(chǎn)生的B-mode的觀測(cè)4第四頁，共30頁。5第五頁，共30頁。KipThorneHigh-frequencygravitationalwavesisdefinedastheGWshavingfrequenciesinexcessof100kHz.(Cambridgeuniversitypress,Cambridge,98,1979)L.D.LandauandE.M.LifishitzSinceithasdefiniteenergy,thegravitationalwavesisitselfthesourceofsomeadditionalgravitationalfield…itsfieldisasecond-ordereffect…butinthecaseofhigh-frequencygravitationalwavestheeffectissignificantlystrengthened….(theClassicalTheoryofFields,onpage372,1975)6第六頁，共30頁。ByProf.NiWei-Tou第七頁，共30頁。8第八頁，共30頁。引力波頻譜Ourgoal：todetecttheHFGWsinthehighfrequencybands（109Hzto1012Hz）

[1]B.P.Abbottetal.,Nature(London)460,990(2009)；[2]M.GasperiniandG.Veneziano,Phys.Rep.373,1(2003)[3]M.Giovannini,Phys.Rev.D60,123511(1999)；[4]M.Giovannini,Class.QuantumGrav.26,045004(2009)[5]F.Y.Li,etal.,Phys.Rev.D67,104008(2003).

[6]L.P.Grishchuk,gr-gc/0504018910-2010-1510-10105101510-5Frequency,Hz100第九頁，共30頁。[1]C.ClarksonandS.S.Seahra,Class.QuantumGrav.24,F33(2007).[2]S.S.Seahra,C.Clarkson,andR.Maartens,Phys.Rev.Lett.94,121302(2005).[3]A.M.Cruise,Class.QuantumGrav.17,2525(2000).[4]R.Ballantinietal.,arXiv:gr-qc/0502054(2005).[5]A.Nishizawaetal.,Phys.Rev.D77,022002(2008).[6]F.Y.LiandandR.M.L.Baker,Jr.,Int.J.Mod.Phys.B21,3274(2007)10第十頁，共30頁。SomepossibleHFGWsourcesRelicHFGWsintheordinaryinflationarymodelsh~10-30-10-34ν~108-1010HzStochasticBackgroundRelicHFGWsinthequintessentialinflationarymodelsh~10-30-10-32ν~109-1010HzStochasticBackgroundRelicHFGWsinthePre-Big-BangMolelsh~10-29-10-33ν~107-1010HzStochasticBackgroundAstrophysicalplasmaoscillationh~10-27-10-34ν~109Hzto1012HzontheEarthLargeHadronCollider(LHC)h~10-39-10-40ν~1021Hzto1023HzontheOscillationCenterBraneOscillationScenarios h~10-21-10-25ν~109-1014HzDiscreteSpectrum,ontheEarth11第十一頁，共30頁。BirminghamUniversity,Birmingham,Englandh~10-16to10-20~108Hz12第十二頁，共30頁。h~10-22to10-23~108HzCouplingsystemofsuperconductingmicrowavecavities13第十三頁，共30頁。第十四頁，共30頁。Stanford/UniversityofNevadaHFGWDetector

50to300kHz

SensitivitytoHFGWs:hdetisthemetric(strain)detectionlimitinm/m=5X10-2215第十五頁，共30頁。ResearchTeams:高頻引力波探測(cè)原始創(chuàng)新強(qiáng)強(qiáng)聯(lián)合集成創(chuàng)新16第十六頁，共30頁。17第十七頁，共30頁。

Relatedtheoreticalbasisandresearchworks：where,F.Y.Lietal.,Phys.Rev.D67,104008(2003);M.L.Tong,Y.Zhang,F.Y.Li,Phys.Rev.D78:024041(2008)

；

F.Y.Li,etal,Eur.Phys.J.C56,409(2008)；

F.Y.Lietal.,Phys.Rev.D,80,064013(2009):J.Li,etal,G.R.G,43,2209(2011);R.CliveWoodsetal.,J.Mod.Phys.02,498(2011).H.Wen,F.Y.Li,Z.Y.Fang,Phys.Rev.D(2014),89,104025;H.Wen,F.Y.Li,Z.Y.Fang,Eur.Phys.J.C,748(2014)2998

18第十八頁，共30頁。19BecausethePPFPropagatealongoppositedirectionintheoutgoingandimplodingwaveregions,theirtotalmomentumvanishes.Thispropertyensuredconservationofthetotalmomentuminthecoherentresonanceinteraction第十九頁，共30頁。20F.Y.Li,R.M.L.Baker,Z.Y.Fang,G.V.StephensonandZ.Y.Chen,Euro.Phys.J.C56,407(2008)第二十頁，共30頁。21EMresponsetothecylindricalimpulsivegravitationalwavesfromthecosmicstrings.第二十一頁，共30頁。22第二十二頁，共30頁。23R.R.Caldwelletal.,Phys.Rev.D59,27101(1999)L.Kraussetal.,Science328,989(2010)F.Y.Lietal.,Phys.Rev.D67,104008(2003)第二十三頁，共30頁。24第二十四頁，共30頁。

依托與本項(xiàng)目的參與單位中科院強(qiáng)磁場(chǎng)科學(xué)中心，該中心承擔(dān)了“十一五”國家大科學(xué)工程“穩(wěn)態(tài)強(qiáng)磁場(chǎng)實(shí)驗(yàn)裝置”項(xiàng)目。 TheHighMagneticFieldLaboratoryhastheabilitytoconstructahighsuperconductingmagnetof45Tesla.

25第二十五頁，共30頁。Agroupofourteamhastheweakphotonfluxdetectorwithhighsensitivityinlevelofsinglephotondetection.無液氦稀釋制冷機(jī)系統(tǒng)（基礎(chǔ)溫度達(dá)到10mK）單光子探測(cè)與操縱實(shí)驗(yàn)系統(tǒng)第二十六頁，共30頁。ChallengeNoise:Backgroundphotonnoise,thermalnoise,shotnoise,Johnsonnoise,preamplifiernoise,quantizationnoise,mechanicalnoiseetc.DiffractionDispersionGenerationofhigh-qualityGBOptimizationcombinationofsystemandsoon27第二十七頁，共30頁。OpportunityBecauseoffastdevelopmentofrelativetechnology,theyprovidewideimprovementroom.Thesenewtechnologyandharvestincludeultra-highsensitivitymicrowavephotondetectors,generationofsuperstrongstaticmagneticfields,superconductors,nanotechnology,high-qualityfactormicrowavecavities,cryogenictechnology,