|  Mass | 
In General > s.a. equivalence principle;
  newtonian gravity; physical theories.
  * Idea: The concept of mass
    is related to two different physical phenomena, inertia and gravitation.
  * Inertial mass: Defined by Newton's
    second law, F = mi
    a.
  * Gravitational mass:
    The active and passive gravitational masses are defined by
Fgrav = mp g , g(x) = −G (ma / r2) (r/r) (for each point source) .
  * Relationships: In
    Newtonian mechanics, the two gravitational ones are proportional as a
    consequence of the third law, ma
    = mp =
    mg – an
    inequality would imply a violation of momentum conservation;
    The principle of equivalence states the proportionality of
    mi and mg
    (specifically, mp).
  @ General references: Jammer 61;
    Pietschmann pr(86);
    Okun PT(89)jun;
    Jammer 00;
    Roche EJP(05);
    Okun 09;
    Re Fiorentin FP(09)-a1102.
  @ Conceptual:
    Hubert a1512-proc [quantity of matter or dynamical property?].
  @ Measurement:
    Poncharal et al Sci(99)mar
    + pn(00)mar
      [10−12 g, nanotubes];
    Ilic et al JAP(04)
    + pw(04)feb
    + pn(04)feb
      [10−18 g, nanoelectromechanical device];
    news pn(05)apr [zeptogram (10−21 g) sensitivity];
    news pw(07)feb [nanocantilevers];
    news ns(12)apr [yoctogram (10−24 g) sensitivity].
The Origin of Mass
  > s.a. hadrons [quarks]; higgs mechanism
  / boson; mach's principle; quantum particles;
  symmetry breaking.
  * Effective mass: A quantity
    describing the response of a particle in a periodic potential, such as inside
    a continuous medium, to an applied force; It accounts for the detailed interaction
    between the particle and the surrounding potential.
  * Electromagnetic mass:
    The quantity me
    = 4U/3c2 appearing in the
    Abraham-Lorentz equation (> see radiation);
    For an accelerated charged particle, the measured mass would be m
    = m0 + me;
    Note that, unless one uses a cutoff, for a point particle me
    = ∞, so one needs to renormalize it.
  * Mass generation in quantum field theory:
    For gauge fields the known mechanisms are the Higgs mechanism
    and, in 3D, adding Proca/Pauli-Fierz or Chern-Simons terms.
  @ General references: Nambu ThSc(92)may [symmetry breaking];
    Wilczek CEJP(12)-a1206-talk [standard model].
  @ Inertial origin: Haisch et al ThSc(94)nov;
    Rueda & Haisch FP(98)phy,
    PLA(98)phy;
    Haisch et al AdP(01)gq/00;
    Rueda & Haisch AdP(05)gq [passive mg];
    Milgrom PRD(06)gq [in acoustic spacetime];
    Tsarouchas a1703 [from the distribution of matter in the Universe];
    > s.a. inertia [fluctuations]; vacuum.
  @ Effective mass: Chang et al PRL(14)
    + news phys(14)may [transition from bare mass to effective mass in a BEC, and time scales].
  @ Gravitational origin: Novello a1003 [fermions, based on the Mach principle];
    Novello CQG(11)-a1008;
    Novello & Bittencourt a1111;
    Szabados a1603,
    GRG(18)-a1802 [energy density of the the Einstein-Higgs-Maxwell system].
  @ Mass generation in quantum field theory:
    Drechsler & Tann FP(99) [broken Weyl symmetry];
    Deser & Tekin CQG(02)ht [in 2+1 dimensions];
    Jaramillo & Aldaya MPLA(02)ht [diff-invariant theories];
    Dvali et al PRL(06)ht/05 [topological, 4D];
    Wilczek MPLA(06);
    Sevostyanov ht/06,
    IJMPA(08)ht/06 [gauge theory];
    Nesbet a0711 [fermions, from self-interaction];
    Sevostyanov IJMPA(08) [comparing mechanisms];
    Marchuk NCB(11)-a1009 [for fermions];
    Winterberg PS(12) [Planck-mass plasma];
    Kronfeld a1209-in [and lattice gauge theory];
    Novello & Bittencourt PRD(12)-a1209,
    Okun MPLA(12)-a1212 [origin of the mass of the Higgs boson];
    Frezzotti & Rossi PRD(15)-a1402,
    a1811 [spontaneous chiral symmetry breaking];
    Capitani et al a1901 [for fermions, lattice evidence].
  @ Electromagnetic: in Rohrlich 65 [renormalization];
    Haeffner phy/00 [??];
    Ray Apeiron(07)phy/04 [Lorentz's conjecture];
    Wanas IJGMP(07)gq;
    Bhadra PhD(07)-a0710 [overview];
    > s.a. inertia.
In Special Relativity and Quantum Theory > s.a. special relativity
  / particles [unstable, mass uncertainty]; particle types;
  photon; renormalization.
  * Predictions: Mass-energy equivalence,
    m = γm0, E
    = mc2; Examples of application are
    in particle decay or the Breit-Wheeler process.
  * Remark: It is misleading to say
    that m converts to E (could I substitute "inertia"
    for "mass" here? mass  is energy).
  @ Mass and E = mc2:
    Poincaré AN(1900) [precursor];
    Einstein AdP(05),
    BAMS(35),
    reprinted BAMS(00) [elementary];
    Bainbridge PR(33) [verification];
    Feigenbaum & Mermin AJP(88)jan;
    Okun PT(89)jun;
    Sandin AJP(91)nov;
    Kim qp/00-proc;
    Bodanis 00;
    Luetzelschwab AJP(03)sep [apparatus to measure];
    Thomas EJP(05);
    Rainville et al Nat(05)dec
    + sr(05)dec
    + pn(06)jan [direct measurements];
    Baierlein AJP(07)apr;
    Okun PU(08)-a0808,
    AJP(09)may;
    Okun a1010 [ammò];
    Silagadze CJP(14)-a1103;
    Krause & Lee EJP-a1608
      [implications for coupling of internal and center-of-mass dynamics];
    Walstad a1711 [without special relativity];
    Lebed IJMPD(19)-a1910-MGXV [breakdown from quantum effects];
    Baskal et al a1911
      [from Heisenberg's uncertainty relation];
    Pérez & Ribisi a2101 [from Maxwell equations];
    Coffey a2102 [ontology of mass and energy].
  @ History: Hecht AJP(09)sep,
    AJP(11)jun,
    TPT(12) [Einstein on mass and energy];
    Pandya a0705;
    Boughn & Rothman a1108
    + news pw(11)aug [Hasenohrl's 1904 calculation];
    Weinstein a1204 [Poincaré and Einstein];
    Weinstein a1205;
    Boughn EPJH(13)-a1303 [Fritz Hasenohrl];
    Field EJP(14)-a1407 [Einstein and Planck in 1905-1906];
    Klevgard a1412 [Einstein 1903-1925].
  @ Derivations: Rohrlich AJP(90)apr [simple];
    Gould ap/05/ApJ [without special relativity];
    Ohanian SHPMP(09)-a0805,
    Mermin SHPMP(11),
    comment Ohanian SHPMP(12) [Einstein];
    Ohanian AJP(12)dec [Felix Klein's proof].
  @ In field theory: Faraoni & Cooperstock EJP(98)phy;
    Frasca a0807 [massive solutions of massless theories];
    > s.a. yang-mills gauge theories.
  @ In quantum mechanics: Jaekel & Reynaud EPL(97)qp/96 [as observable];
    Bohm & Harshman NPB(00)hp [resonances, and Gamow vectors];
    Greenberger a1011-conf [as observable, and time];
    Holt a1406
      [absolute mass is  not observable, relational mass is].
  @ Other topics: Horwitz & Belenkiy FP(02) [Schopenhauer & Hegel];
    Cushman & van der Kallen DG&A(06)mp/05 [group theoretic interpretation];
    Zenczykowski qp/05 [for quarks];
    Benghi Pinto EJP(07) [bare vs effective mass];
    Lebed JPCS(14)-a1404
      [breakdown of the equivalence between gravitational mass and energy for a  composite quantum body];
    > s.a. superselection rules [mass superselection rule].
And Gravitation
  > s.a. bimetric theory; equivalence principle;
  gravitational energy; test-particle motion.
  * Newtonian theory: The total
    (gravitational, active) mass inside a surface S can be defined, using
    the gravitational potential φ, by
M = ∫S φ, j dS j .
  * General relativity:
    Several definitions have been given, some of which are equivalent in
    general relativity but not in other theories.
  * Kaluza-Klein: In the
    4D reduction of the theory, the effective mass of a particle can vary
    along its worldline.
  @ References:
    Rosen & Cooperstock CQG(92);
    Toussaint GRG(00)gq/99 [m as translation charge];
    Petkov gq/01
      [distance dependence of ma?];
    Ehlers et al PRD(05) [and pressure];
    Bel & Martin-Martin a0906 [proper mass];
    > s.a. black holes; cosmological constant [minimum mass].
  @ Inertial vs gravitational mass: Widom gq/06;
    Ohanian a1010 [in scalar-vector theories];
    Zych et al PRD(19)-a1808 [for composite systems].
Related Topics
  > s.a. Center of Mass; schwarzschild spacetime;
  schwarzschild-de sitter spacetime; stars;
  tachyons [imaginary mass].
  * Negative mass: While a
    positive gravitational mass attracts everything, a negative one repels everything;
    A positive and a negative mass will chase each other (conserving momentum);
    To avoid runaway motion, negative mass systems can not coexist with positive
    mass ones, and will have negative temperatures.
  @  Negative mass: NS(90)mar17, 54-56;
    Price AJP(93)mar;
    Pollard & Dunning-Davies NCB(95);
    Cavalleri & Tonni NCB(97) [self-acceleration];
    Manko SPMS-a1303 [exact solutions];
    Hammond a1308 [physical consequences];
    Madarász et al a1407
      [existence of negative-mass particles implies the existence of tachyons];
    Dias & Gonçalves AJP(14)oct [application to Helium-balloon-type dynamics];
    Paranjape pt(17)may [and cosmology].
  @ And geometry: Tolksdorf mp/02,
    mp/02 [mass as curvature].
  @ Related topics:
    Donoghue & Holstein EJP(87) [T dependence?];
    Mannheim GRG(93) [dynamical];
    Wesson MPLA(04) [quantized?];
    McCulloch JBIS-a0712 [cosmology and variations of inertial mass];
    Coraddu & Mignemi EPL(10)-a0911 [in DSR];
    Mashhoon & Wesson AdP(12)-a1106 [mass from extra dimension, and Mach's principle];
    Kubiak v1301,
    AfrRP(14), v1403,
    v1404 [effective mass tensor in general relativity];
    Lebed CEJP(13)-a1311 [inequivalence of the gravitational mass and energy of a quantum body];
    McQueen Syn(15)-a1501 [additivity in Newtonian physics and special relativity];
    > s.a. inertia.
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