|  Black-Hole Hair: Specific Types | 
Main Types of Black Holes
  > s.a. black holes [topology]; 3D black holes;
  supermassive black holes [Sgr A*].
  @ Vacuum: Israel PR(67);
    Carter PRL(71),
    in(73)-GRG(09);
    Hawking CMP(72);
    in Hawking & Ellis 73;
    Robinson PRL(75);
    Mazur JPA(82),
    GRG(84);
    Bergqvist & Ludvigsen GRG(89),
    Mars CQG(00)gq [Kerr];
    Ionescu & Klainerman IM(09)-a0711;
    Chruściel & Lopes Costa Ast-a0806 [Kerr];
    Chruściel & Galloway CQG(10) [Schwarzschild, without analyticity];
    Reiris a1501 [uniqueness of Schwarzschild without requiring asymptotic flatness].
  @ Einstein-Maxwell: Israel CMP(68);
    Robinson PRD(74);
    Mazur APPB(83);
    Ruback CQG(88);
    Chruściel HPA(96)gq;
    Amsel et al PRD(10)-a0906 [extremal Kerr and Kerr-Newman, closing the gap in the uniqueness proof];
    Chruściel & Nguyen AHP(10)-a1002 [degenerate Kerr-Newman black holes];
    Chruściel & Galloway CQG(10) [Reissner-Nordström, without analyticity];
    Meinel CQG(12)-a1112 [Kerr-Newman black hole, including the extreme case];
    Wong & Yu CMP(14)-a1210
      [non-existence of solutions with more than one event horizon close to the Kerr-Newman solution];
    Hod PRD(14)-a1406 [Kerr-Newman black holes].
  @ Einstein-Maxwell-dilaton: Mars & Simon ATMP(02)gq/01;
    Rogatko PRD(10)-a1007 [+ axion];
    Yazadjiev PRD(10)-a1009 [rotating].
  @ Einstein-Maxwell +: Finster et al CMP(99)gq/98 [+ Dirac, no-black-hole result];
    Torii et al PRD(01) [+ scalar, in Anti-de Sitter spacetime];
    Kolyvaris et al CQG(12)-a1111 [+ scalar, coupled to the Einstein tensor, phase transition to Einstein hair].
  @ Einstein-Yang-Mills +: Finster et al MMJ(00)gq/99 [+ Dirac, no-black-hole result].
  @ Other types: Wells gq/98 [accelerating black holes];
    Bhattacharya & Lahiri PRL(07)gq,
    PRD(11)-a1102 [with positive cosmological constant];
    Bueno & Shahbazi CQG(14) [violation, in 4D ungauged supergravity];
    Li & Lucietti CQG(16)
      [transverse deformations of extreme horizons];
    > s.a. black-hole analogs [acoustic].
Various Kinds of Matter / Hair > s.a. black-hole solutions.
  * Scalar "wigs":
    Scalar field configurations that are not stationary (no theorems are violated),
    but for some parameter values are so long-lived to be almost like hair.
  * Soft hair: Zero-energy
    hair associated with the conservation laws arising from BMS supertranslation
    symmetries on black-hole spacetimes; It can be thought of as gravitons and/or
    photons living on the lightlike boundary of the horizon; The concept points
    to a promising approach to the black-hole information problem.
  @ Scalar hair:
    Bekenstein PRD(72),
    PRD(72);
    Christodoulou CMP(87);
    Ferrari & Xanthopoulos PRD(90);
    Bekenstein PRD(95);
    Mavromatos gq/96-conf
      [in Einstein-Yang-Mills and Einstein-Gauss-Bonnet];
    Saa JMP(96)gq,
    PRD(96)gq [no-hair theorems];
    Ortín ht/97-in;
    Sen & Banerjee Pra(01)gq/98;
    Rogatko PRD(99)ht [dilaton];
    Banerjee et al MPLA(01);
    Degura et al G&C(01) [2+1];
    Nucamendi & Salgado PRD(03)gq;
    Hertog PRD(06)gq;
    Graham & Jha PRD(14)-a1401 [no-hair theorem for a wide class of non-canonical scalar fields];
    Herdeiro & Radu PRL(14)-a1403,
    CQG-a1501 [Kerr black holes],
    IJMPD(14)-a1405-GRF,
    PRD-a1406 [ergospheres, ergo-tori and ergo-Saturns];
    Herdeiro & Radu IJMPD-a1504-conf [asymptotically flat, rev];
    Sotiriou CQG(15)-a1505;
    Antoniou et al PRD(18)-a1711 [and Einstein-Gauss-Bonnet];
    Hod PRD(17)-a2002 [spherically symmetric neutral black holes];
    García & Salgado PRD(19)-a1812 [obstructions to no-hair theorems around Kerr black holes].
  @ Scalar "wigs":
    Barranco et al PRL(12)-a1207 [around Schwarzschild black holes],
    PRD(14)-a1312 [late-time behavior];
    Barranco et al PRD(17)-a1704.
  @ Scalar hair, with cosmological constant: Torii et al PRD(99)gq/98,
    PRD(01) [asymptotically AdS];
    Winstanley FP(03)gq/02;
    Sudarsky & González PRD(03) [asymptotically AdS];
    Martínez & Troncoso PRD(06) [charged];
    Buchel & Pagnutti NPB(10)-a0904.
  @ Axionic hair:
    Bowick et al PRL(88);
    > s.a. axions.
  @ Abelian Higgs hair: Achúcarro et al PRD(95)gq [Nielsen-Olesen string];
    Chamblin et al PRL(98),
    PRD(98) [extreme];
    Ghezelbash & Mann PRD(02) [rotating and charged black holes].
  @ With Skyrme hair:
    Droz et al PLB(91);
    Moss et al CQG(00)gq;
    Tamaki et al PRD(01)gq.
  @ Yang-Mills hair:
    Bizoń PRL(90),
    Straumann & Zhou PLB(90) [SU(2) Einstein-Yang-Mills];
    Mavromatos & Winstanley JMP(98);
    Kleihaus et al AIP(98)gq;
    Ashtekar et al CQG(01)gq/00 [as bound states with colored solitons];
    Kleihaus & Kunz PRL(01) [SU(2) Einstein-Yang-Mills, rotating];
    Weinberg gq/01-ln;
    Kleihaus et al CQG(16)-a1609 [rotating, non-Abelian hair].
  @ Quantum hair: Krauss GRG(90);
    Preskill & Krauss NPB(90);
    Coleman et al PRL(91),
    GRG(92),
    NPB(92);
    Krauss & Liu NPB(97)ht/96 [effects];
    Dabholkar & Trivedi JHEP(99) [discrete, in AdS];
    Dvali PRD(06)ht [massive spin-2],
    ht/06 [long-range super-massive tensor fields];
    Dvali & Gómez PLB(13);
    Crowell & Cotrda Entr-a2007 [colliding black holes and information].
  @ Short hair: Núñez et al PRL(96)gq/95;
    Brown & Husain IJMPD(97)gq;
    Hod PLB(14)-a1411 [short bristles on rotating black holes];
    Hod CQG(16)-a1705 [no-short scalar hair theorem].
  @  Soft hair: Hawking et al PRL(16)-a1601
    + AS interview sa(16)jan [explicit description and degrees of freedom]
    + CQG+;
    Averin et al JHEP(16)-a1601;
    Kirklin CQG(18)
      [localization of soft charges, and thermodynamics]; 
    > s.a. 3D black holes [BTZ];
      isolated horizon.
  @ Other kinds: Strominger PRL(96)ht [statistical, from string theory];
    Krauss et al PRL(96)ht [hairy, dirty black holes];
    Larsen & Wilczek NPB(96)ht,
    NPB(97)ht/96 [from string theory];
    Bronnikov & Zaslavskii PRD(08)-a0801 ["curly hair"];
    Gregory et al JHEP(13)-a1303 [rotating, with cosmic string hair].
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