|  Particles: Effects | 
In General
  > s.a. field theory; particle models [relativistic quantum mechanics
  vs quantum field theory]; particle types; quantum field theory.
  * Idea: The notion of
    particle requires that of a timelike Killing vector field; In Minkowski
    space there is a natural choice, but in general relativity it is ambiguous;
    Also, it is defined only when there are no interactions; Only for small
    λ, high frequency, one has an approximate notion; The
    problem is equivalent to that of defining an appropriate Feynman propagator.
  * In 2D: They can belong to a 1D
    representation of the braid group (anyons), or other (superstrings, ...).
  @ General references: Achinstein 91 [history-philosophy, I].
  @ Elementary particles: Lev JPA(04)ht/02 [SO(1,4), only fermions, charged].
  @ Antiparticles: Dastidar & Dastidar MPLA(99) [Feynman's backward t travel].
  @ Wave-particle duality:
    Sánchez IJMPA(04)ht/03 [extended to strings/black holes].
  @ Internal degrees of freedom: Kim APPB(96)ht,
    cm/96-proc,
    IJMPA(97)ht/96 [internal symmetries],
    qp/96-proc [and wavelets].
Particle Creation / Production by Electromagnetic Fields
  *  Schwinger effect:
    The quantum pair production of charged particles in a strong electric field.
  * Dynamically assisted Sauter-Schwinger
    effect: The enhanced Schwinger effect in the superposition of a strong and
    slow electric field with a weaker and faster pulse.
  @ General references: Gitman JPA(77);
    Srinivasan & Padmanabhan gq/99;
    Narozhny et al PLA(03) [and accelerated observers];
    Dunne & Schubert PRD(05)ht  [worldline instantons];
    Kim & Page PRD(07)ht [inhomogeneous fields];
    Dietrich & Dunne JPA(07) [and Gutzwiller trace formula];
    Baier & Katkov PLA(10) [by a photon in an electromagnetic field];
    Schützhold a1004 [quantum-optics perspective];
    Dittrich IJMPA(14) [Schwinger's formula];
    Korwar & Thalapillil a1808 [electric and magnetic field, at finite temperature].
  @  Schwinger effect:
    Shakeri et al a1903 [during inflation];
    Dai PRD(19)-a1908 [state of a particle pair];
    > s.a. inflation and planck-scale physics [perturbations].
  @ Time-dependent fields: Szpak JPA(08)ht/06;
    Cooper & Nayak ht/06;
    Kleinert et al PRD(08)-a0807 [spacetime-dependent fields];
    Mahajan AP(09);
    Dumlu PRD(09)-a0901 [equivalence of approaches];
    Fedotov et al PRL(10) [and laser power limitation];
    Longhi PRA(10)-a1009;
    Fey & Schützhold PRD(12)-a1110 [dynamically assisted Sauter-Schwinger effect];
    Adorno et al EPJC(16)-a1605 [by peak electric field];
    Blinne a1701-PhD [pulsed rotating fields].
  @ Variations: Mu et al a1501 [minimal length effects].
Particle Creation / Production by Gravitational Fields
  > s.a. black-hole radiation; horizons;
  quantum field theory effects in curved spacetime.
  * Remark: The effect is
    determined by the square of the Weyl tensor; This motivates a definition
    of entropy (Penrose), but how to go from one to the other is not known.
  @ General references: Schrödinger (39); DeWitt PR(53);
    Parker PR(69);
    Sexl & Urbantke APA(67),
    PR(69);
    Zel'dovich & Pitaevski CMP(71);
    Chitre & Hartle PRD(77);
    Woodhouse PRL(76);
    in Birrell & Davies 82;
    Gasperini PTP(90);
    Arteaga PhD(07)-a0707;
    Nikolić a0708 [reliability of semiclassical description];
    Pavlov G&C(08)-a0811 [spacetime description];
    Fucci & Avramidi a0911-proc;
    Lin et al PRD(10)-a1001 [entanglement and entropy].
  @ In the early universe: Hartle in(84);
    Zlatev et al PRD(98)ap/97 [parametric resonance];
    Martin LNP(08)-a0704 [cosmological Schwinger effect];
    Kaya IJMPD(09)-a0810 [fluctuations and ensemble picture];
    > s.a. fields in FLRW spacetimes;
      history of quantum physics.
  @ In non-trivial topology:
    Kandrup & Mazur MPLA(89);
    > s.a. quantum field theory in curved backgrounds.
  @ Related topics: Wald CMP(77) [gravitational back-reaction],
    GRG(78) [effective stress-energy];
    > s.a. dissipation; entropy.
Particle Decay
  > s.a. experiments in quantum mechanics; hilbert space
  [unstable]; pilot-wave interpretation; quantum effects and
  systems.
  * Decay rate: A non-exponential rate
    has been predicted based on the rigged Hilbert space formalism (Prigogine et al).
  @ General references: Müller PRD(97)ht [and acceleration];
    Wilkinson Nat(97)jun
    + pn(97)jun [non-exponential];
    Harshman AJP(03)oct [mass uncertainty];
    Cabbolet a1502-conf [re unobservability of short-lived particles].
  @ In curved spacetimes: Epstein IJGMP(08) [de Sitter space];
    Lankinen & Vilja PRD(18)-a1805 [expanding FLRW universes].
Other Effects > s.a. causality; force;
  gravitating matter; particle
  statistics; QED phenomenology; radiation.
  @ General references: Miyamoto PRD-a1805 [partile creation by instantaneous change of boundary conditions].
  @ Multiparticle effects: Atiyah & Sutcliffe PRS(02)ht/01 [configuration space and energy].
  > Particle motion: see gravitating
    objects; newtonian orbits; scattering;
    test bodies.
  > Related topics: see Detectors;
    energy [self-energy]; horizons;
    localization; resonance.
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