Quantum Space: Loop Quantum Gravity and the Search for the Structure of Space, Time, and the Universe (Jim Baggott, 2018)

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Many terms are beyond my understanding at the moment so I have included the glossary for future reference.

Abbreviations

  • ADM: Arnowitt, Deser, Misner
  • ATLAS: A Toroidal LHC Apparatus (detector)
  • CDM: cold dark matter
  • CERN: Conseil Européen pour la Recherche Nucléaire
  • CMS: Compact Muon Solenoid (detector)
  • COBE: Cosmic Background Explorer
  • CODATA: International Council for Science Committee on Data for Science and Technology
  • GeV: giga electron volt
  • GUT: grand unified theory
  • Λ-CDM: lambda-cold dark matter
  • LHC: large hadron collider
  • LQC: loop quantum cosmology
  • LQG: loop quantum gravity
  • MeV: mega electron volt
  • MSSM: minimum supersymmetric standard model
  • NSF: National Science Foundation
  • QCD: quantum chromodynamics
  • QED: quantum electrodynamics
  • SLAC: Stanford Linear Accelerator Center
  • SUSY: super symmetry
  • TeV: tera electron volt
  • WMAP: Wilkinson Microwave Anisotropy Probe


E=MC²: if a body emits the energy (E) in the form of radiation, its mass decreases by [E/c²]. Here it is obviously inessential that the energy taken from the body turns into radiant energy, so we are led to a more general conclusion: the mass of a body is a measure of its energy content.

2 principles of gravity: covariance and consistency

95% of mass of a proton or neutron is derived from the energy of the massless gluons that carry the colour force between the quarks.

Doppler effect is the change in frequency of a wave in relation to an observer who is moving relative to the wave source.

Light

  • A photon goes from place to place.
  • An electron goes from place to to place.
  • An electron emits or absorbs a photon.

Smolin and Markopoulou

  • Up quark
  • Down quark
  • Electron
  • Electron neutrino
  • Electron antineutrino

LGQ nodes

  • Orderly locality
  • Disordered locality

Some glossary

  • Acceleration
  • ADM formalism
  • Angular momentum
  • Antiparticle
  • Ashtekar variables: a form of general relativity to be formulated in terms of spin connections
  • Atom
  • Atto
  • Bare mass
  • Baryon
  • Bell’s theorem: the predictions of any local hidden variable theory will not always agree with the predictions of quantum theory
  • Beta particle
  • Beta radioactivity/decay
  • Big bang
  • Big bounce
  • Black hole
  • Bohr radius
  • Boson
  • Bottom quark
  • Calabi-Yau space
  • Canonical
  • CERN
  • Charm quark
  • Classical mechanics
  • Cold dark matter
  • Collapse of the wavefunction
  • Colour charge
  • Colour force
  • Complementarity
  • Complex number
  • Conservation law
  • Copenhagen interpretation
  • Cosmic background radiation
  • Cosmic inflation
  • Cosmic scale factor
  • Cosmological constant
  • Cosmological redshift
  • Covariant
  • Dark energy
  • Dark matter
  • De Broglie relation
  • Diffraction
  • Dressed mass
  • Electric charge
  • Electromagnetic force
  • Electron
  • Electroweak force
  • Empiricism
  • Equivalence principle
  • Euclidean space
  • Exclusion principle
  • Femto
  • Fermion
  • Flat space
  • Flavour
  • Force
  • Frame-dragging
  • Frame of reference
  • General covariance
  • General relativity
  • G-factor
  • Gluon
  • Grand unified theory (GUT)
  • Gravitational force
  • Graviton
  • Hadron
  • Hamiltonian
  • Heisenberg’s uncertainty principle
  • Hidden variables
  • Higgs boson
  • Higgs field
  • Higgs mechanism
  • Hubble’s law
  • Inertial frame of reference
  • Inflaton
  • Information paradox
  • Instrumentalism
  • Interference
  • Kaon
  • L-CDM
  • Leggett inequality
  • Lepton
  • LHC
  • Loop quantum cosmology (LQC)
  • Loop quantum gravity (LQG)
  • Mach’s principle
  • Mass
  • Mass renormalisation
  • Meson
  • Molecule
  • MSSM
  • M-theory
  • Muon
  • Neutrino
  • Neutron
  • Nucleus
  • Pauli exclusion principle
  • Perihelion
  • Photon
  • Pion
  • Planck constant
  • Planck length
  • Planck scale
  • Planck time
  • Positron
  • Principle of general covariance
  • Principle of relativity
  • Proton
  • Quantum
  • Quantum chromodynamics (QCD)
  • Quantum electrodynamics (QED) 
  • Quantum entanglement
  • Quantum field
  • Quantum geometrodynamics
  • Quantum number
  • Quantum probability
  • Quark
  • Redshift
  • Renormalisation
  • Scale factor
  • Schwarzschild solution/radius
  • Self-energy
  • Singularity
  • Slow-roll inflation
  • Spacetime and spacetime metric
  • Special relativity
  • Spectrum
  • Spin
  • Spin connection
  • Spinfoam
  • Spin network
  • Standard model
  • Strangeness
  • Strange quark
  • Strong/M-theory
  • Strong force
  • Supergravity
  • Superinflation
  • Superposition
  • Supersymmetry
  • Symmetry-breaking
  • Top quark
  • Uncertainty principle
  • Vacuum energy
  • Vacuum expectation value
  • Virtual particle
  • W, Z particles
  • Wavefunction
  • Wavefunction collapse
  • Weak force/interaction
  • Wilson loops
  • Yang-Mills field theory


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