1005.4690v3[1] effective holographic theories for low-temperature cm systems(c. charmousis, b. goutéraux, b. s. kim, e. kiritsis, rene meyer)

《1005.4690v3[1] effective holographic theories for low-temperature cm systems(c. charmousis, b. goutéraux, b. s. kim, e. kiritsis, rene meyer)》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、PreprinttypesetinJHEPstyle-HYPERVERSIONarXiv:1005.4690CCTP-2010-5LPT-10-34EffectiveHolographicTheoriesforlow-temperaturecondensedmattersystemsChristosCharmousisa,b,BlaiseGout´erauxa,BomSooKimc,d,EliasKiritsisd∗,ReneMeyerdaUniv.Paris-Sud,LaboratoiredePhysiqueTh´eorique,CNRSUMR862

2、7,F-91405Orsay,France;bLMPT,ParcdeGrandmont,Universit´eFrancoisRabelais,CNRSUMR6083,Tours,France;cIESL-FORTH,71110Heraklion,Greece;dCreteCenterforTheoreticalPhysics,DepartmentofPhysics,UniversityofCrete,71003Heraklion,GreeceAbstract:TheIRdynamicsofeffectiveholographictheoriescap

3、turingtheinterplaybe-tweenchargedensityandtheleadingrelevantscalaroperatoratstrongcouplingarean-alyzed.Suchtheoriesareparameterizedbytworealexponents(γ,δ)thatcontroltheIRdynamics.Bystudyingthethermodynamics,spectraandconductivitiesofseveralclassesofchargeddilatonicblackholesolu

4、tionsthatincludethechargedensitybackreactionfully,thelandscapeofsuchtheoriesinviewofcondensedmatterapplicationsischaracterized.Severalregionsofthe(γ,δ)planecanbeexcludedastheextremalsolutionshaveunaccept-ablesingularities.Theclassicalsolutionshavegenericallyzeroentropyatzerotem

5、perature,exceptwhenγ=δwheretheentropyatextremalityisfinite.ThegeneralscalingofDCarXiv:1005.4690v3[hep-th]30Sep2010resistivitywithtemperatureatlowtemperature,andACconductivityatlowfrequencyandtemperatureacrossthewhole(γ,δ)plane,isfound.Thereisacodimension-oneregionwheretheDCresis

6、tivityislinearinthetemperature.Formassivecarriers,itisshownthatwhenthescalaroperatorisnotthedilaton,theDCresistivityscalesastheheatcapacity(andentropy)forplanar(3d)systems.RegionsareidentifiedwherethetheoryatfinitedensityisaMott-likeinsulatoratT=0.Wealsofindthatatlowenoughtemperat

7、urestheentropyduetothechargecarriersisgenericallylargerthanatzerochargedensity.Keywords:AdS/CFT,holography,chargeddilatonicblackholes,strangemetals,Mottinsulator.∗OnleaveofabsencefromLaboratoireAPC,Universit´eParis-DiderotParis7,CNRSUMR7164,10rueAliceDomonetL´eonieDuquet,75205P

8、arisCedex13,France.Contents1.Introductionandsummaryofr