Book Read Free

The Universe Within

Page 23

by Neil Turok


  Carnie, Margaret, 22, 97–99

  cellphones, 47, 160, 214. See also smartphones

  CERN (European Organization for Nuclear Research), 84, 192. See also Large Hadron Collider

  Cicero: On the Nature of the Gods, 153

  classical physics/universe: Newton and, 20, 25–26, 30, 48, 56–95, 112, 118–19, 206, 210; quantum theory and, 48, 56–95, 115–16, 168, 171, 179–80, 183–85, 196, 206, 210, 234–35, 256. See also quantum theory

  communication/information technology, 5, 56, 91, 209–39; Bell/Bell Labs and, 35, 213–14, 215; and democratic movements, 203; and information overload, 68–69, 203, 209–11; McLuhan on, 225–27, 230; as problematic, 198, 203, 209; satellites and, 128–29, 151–52, 205, 236, 237; Teilhard de Chardin on, 227–28, 230; transistor and, 215–17, 218, 235; vacuum tubes and, 212–13, 215

  complex numbers, 74–75, 168–71; and Euler’s formula, 75–76, 170–71; and Schrödinger’s wave equation, 76–77, 168–70, 171

  computers, 68–69, 167–68, 170, 203, 209, 212, 213, 214; digital nature of, 230–33, 237–38; predictions about, 227–28, 230; quantum, 218–25, 233, 238–39; storage capacity of, 217–18. See also quantum computers

  conserved quantities, Noether’s theorem on, 176–78, 179–80

  Copenhagen, University of, 59, 126

  Copernicus, and concept of heliocentric universe, 20, 21, 25, 100

  Cosmic Background Explorer (COBE), 130–36; and DMR experiment, 132–36; and FIRAS experiment, 131–32

  “cosmological term” (Einstein), 120–21, 122; and vacuum energy, 136–37

  cosmology, historical: of ancient Greece, 8–9, 20, 25, 52–53, 99–100, 102, 118, 152–53, 205; of Newtonian universe, 20, 25–26, 30, 48, 56–95, 112, 118–19, 206, 210; of Renaissance Italy, 18, 20–21, 25, 28–29, 100–1, 205

  cosmology, modern, 96–155; background radiation and, 127–33, 214; complex numbers and, 75, 95; cyclic universe theory of, 149–54; dark matter and, 134–35, 138; Einstein and, 110–13, 118–22; Friedmann and, 121–23; Gamow and, 125–28; inflationary theory of, 106–10, 136, 139–54; Lemaître and, 123–25; vacuum energy and, 136–38. See also big bang theory; singularity, at moment of big bang

  Cosmos (television series), 157

  Coulomb, Charles Augustin de, 44

  Croton (southern Italy): Pythagoreans and, 9

  Curie, Marie, 58, 59, 70, 91, 126

  Curie, Pierre, 58, 70

  cyclic universe, theory of, 149–52; precursors of, 153–54. See also inflation, theory of

  dark matter, 134–35, 138, 187, 200

  Darwin, Charles: library of, 223; and theory of evolution, 228, 229, 246–47

  Davy, Sir Humphrey: Bakerian Lecture by, 240–41; and Faraday, 36–37, 251

  Dawkins, Richard, 246–47

  Dicke, Robert, 130, 131

  Differential Microwave Radiator (DMR), 132–36

  digital vs analog technology, 203, 230–33, 237–39

  diodes, 213, 215

  Dirac, Paul, 58, 59, 60, 181–87, 197; “bra-ket” notation of, 181; education of, 181–82; and Feynman’s formulation, 92, 183–84; on mathematics, 156, 183, 185–87; matter particle equation of, 92, 172–73, 174, 175–76, 182–83, 196, 199; and prediction of positron, 92, 173, 182; and quantum electrodynamics, 92, 183; and quantum theory, 182, 183–85; on Schrödinger’s wave equation, 186; unassuming personality of, 182, 185, 187

  Dirac field (ψ), 173, 174, 175–76

  DNA, 200, 201, 231–33, 239

  “double-slit experiment,” 78–80, 93

  e (Euler’s number), 75, 92, 170–71

  Echo 1 (balloon satellite), 128, 129

  Eda, Abonnema (fictional character), 157, 167

  Eddington, Arthur, 121, 124

  Edinburgh, 31–32, 185

  Edinburgh, University of, 11, 31, 32, 35, 213

  education, scientific: in Africa, 156–67; in ancient Greece, 51–53, 211; of Dirac, 181–82; in internet age, 5, 203, 211–12, 255; of Maxwell, 34–35; in medieval universities, 10; Noether’s contribution to, 178–81; of Scottish Enlightenment, 32, 34, 211, 213

  Ehrenfest, Paul, 59

  Einstein, Albert, 18, 21, 49, 51, 59, 99, 106, 109, 186, 197, 199, 204, 206, 210; and confirmation of Planck’s work, 64–70, 72; “cosmological term” of, 120–21, 122, 136–39; Dirac on, 184; Hume’s influence on, 14; and initial unease over quantum theory, 70, 77, 80–81, 91; as invoked by AIMS, 164–65; and mass-energy equivalence, 113–16; and Maxwell’s theory, 47–48, 101–2, 110–12; on Noether, 180–81; and photoelectric effect, 58, 69; at Solvay Conference, 58, 59, 80–81; and theory of general relativity, 116–25, 133, 147, 165, 172, 174, 179, 189–90, 193, 195, 196, 199; and theory of special relativity, 47, 94, 101–2, 110–16, 138–39; and “ultraviolet catastrophe,” 68–69, 196

  Einstein–Poldolsky–Rosen critique of quantum theory, 81–82, 233–34; and Bell’s Theorem, 83–91, 234; Pauli

  on, 82

  ekpyrosis (Stoic concept of cosmology), 153

  electricity: Faraday’s work on, 37–39; and modern electro­nics, 212–18; and plot of Frankenstein, 37, 240–42; public experiments using, 37, 241; quantum theory and, 92, 214–18

  electromagnetic waves: and background radiation, 127–30; and big bang theory, 103–6, 123–24, 127–30; and colour of light, 47, 61–62, 64, 68, 123–24; length of, 47, 61–62, 65–68, 71–72, 190, 210, 265n7; and mass-energy equivalence, 114–15; and quantum theory, 61–72; speed of, 45–46; types/applications of, 47, 111

  electromagnetism, 39–40; and big bang theory, 103–6, 123–24, 127–30; and electroweak theory, 172, 174; Faraday’s work on, 38, 40–42, 45, 84; Maxwell’s work on, 34, 36, 39, 42–48, 56, 61, 63, 84, 92, 101, 110–12, 115, 172, 174, 175, 210; and Newton’s theories, 33, 40–41, 43, 47; previous work related to, 44–45; and quantum theory, 46, 48, 61–72, 101–2

  electroweak theory, 107, 172, 173, 174, 178, 188, 196

  Englert, François, 174

  Epicurus, 253

  Erlangen, University of, 178

  ethics: Hume on, 14–15; of reciprocity, 253

  Euclid, 52, 269n9

  Euler, Leonhard, 75, 170, 192; beta function formula of, 192

  Euler’s formula (complex analysis), 75, 170–71; Heisenberg’s use of, 75–78; and number e, 75, 92, 170–71; and number i, 75, 170

  European Space Agency, 151. See also Planck satellite

  evolution, theory of (Darwin), 228, 229, 246–47

  Facebook, 204

  Fairchild Semiconductor, 217

  Faraday, Michael, 33, 36–42, 50, 101; and concept of force field, 39, 40–42, 43, 45, 84; and Davy, 36–37, 251; and electricity, 37–39; and electromagnetism, 38, 40–42, 45, 84; Maxwell’s continuation of work by, 36, 39, 42–48, 84, 101, 111; and Newton’s law of gravitation, 40–41, 116–17; as non-mathematician, 39, 42; as tireless experimenter, 38–39, 42

  Far Infrared Absolute Spectrophotometer (FIRAS), 131–32

  Fermat, Pierre de, 62

  Ferro, Scipione del, 73–74

  Feynman, Richard, 249, 250; on Euler’s formula, 75; and formulation of quantum theory (“sum over histories”), 92–93, 169–70, 171, 179, 183–84, 196; on nuclear bomb, 10; on quantum computers, 219–20; and quantum electrodynamics, 92, 183

  Fifth Solvay International Conference on Electrons and Photons (1927), 56–60, 76–77, 80–81

  Fitzgerald, F. Scott, 80

  Fizeau, Hippolyte, 45

  force fields: Faraday’s concept of, 39, 40–42, 43, 45, 84; force-

  carrier particles of, 148, 174–76; Maxwell’s work on, 42–46, 80, 172, 174, 199. See also particle physics

  formula for all known physics, 167–201; as analogy for society/humanity, 197–201; Dirac’s equation and, 172–73, 174, 175–76, 182–83, 196, 199; Einstein’s the
ory of gravity and, 172, 174, 189–90, 196, 199; Euler’s number and, 170–71; Feynman’s formulation and, 92–93, 169–71, 183–84, 196; and goal of scientific education/learning, 156–67, 199–200; Hamilton’s action principle and, 171, 183; Higgs field and, 173, 174–75, 178, 189; Higgs mechanism and, 174; Higgs potential energy and, 175, 190; Maxwell–Yang–Mills force field theories and, 172, 174, 199; Noether’s theorem and, 176–78, 179–80; as problematic, 187–91; Schrödinger’s wavefunction and, 92–93, 168–71, 183; string theory as alternative to, 191–95; Yukawa–Kobayashi–Maskawa matter particle mass term and, 173

  Fourier analysis in time, 72–73, 75

  Franklin, Benjamin, 44, 177–78

  Friedmann, Alexander, 121–23, 125, 127, 154

  Galileo, 18, 23, 28–29, 100–1, 117, 205, 253; Dialogue Concerning the Two Chief World Systems, 13; and heliocentric universe, 20–21, 25, 100; Two New Sciences, 21

  gamma rays, 47, 111

  Gamow, George, 125–28; and concept of background radiation, 127–28; and stellar energy conference, 126; as U.S. Navy consultant, 126

  Gandhi, Mohandas, 6

  Gates, Bill, 166

  Gauss, Carl Friedrich, 44

  general relativity. See theory of general relativity

  geometry, 7, 20, 52; in academic curriculum, 10, 32, 197; Anaximander’s use of, 53; and art, 16, 17; of curved space, 118; Einstein and, 51, 118, 184; Euler’s formula and, 75, 170; of four-dimensional space, 143; Leonardo’s use of, 17; Pythagorean theorem of, 8; and quantum theory, 76–77, 93, 170; of universe, 143, 210, 246, 256

  Glasgow, University of, 31, 34

  Glashow, Sheldon Lee, 172, 174, 188

  Godwin, William, 240

  Google, 204, 237

  Göttingen, University of, 178–79, 180

  Grangier, Philippe, 90

  gravitation, Einstein’s law of. See theory of general relativity

  gravitation, Newton’s law of, 23, 25–26, 27–28, 29, 30, 33, 101, 172; Faraday and, 40–41, 116–17; and ocean tides, 28, 33, 117

  Greece, ancient, science/mathematics in, 13, 17, 18, 51–55, 186–87, 211, 250, 253–54; cosmology and, 8–9, 20, 25, 52–53, 99–100, 102, 118, 152–53, 205; and modern notation, 167, 168, 173, 174; Pythagoras and, 8–9, 52, 53, 74, 77, 167, 168–69, 205; Raphael’s painting of, 51–52, 56; and story of Prometheus, 37, 240, 242

  Gross, David J., 172, 188

  Guralink, Gerald, 174

  Guth, Alan, 106; and theory of inflation, 107–8, 121, 141

  h. See Planck’s constant

  Hagen, Carl, 174

  Hahne, Fritz, 161–62

  Hamilton, William Rowan,

  action principle of, 62–64; and Feynman’s formulation, 92–93, 169–70, 171, 179, 183–84; and Planck’s constant, 62–64, 71

  Hartle, James. See entry below

  Hartle–Hawking proposal, 97, 142–45, 146, 149; and “anthropic principle,” 144–45, 146, 150; as “no boundary” proposal, 143, 152–53; Parmenides’ prefiguring of, 152–53; Vilenkin and, 142, 143

  Hawking, Stephen, 29, 52, 106, 136, 151–52; author’s work with, 97, 143–44. See also entry above

  Hawking–Turok instanton, 143–44

  heat, theory of: Kelvin and, 35, 56; Maxwell and, 36, 47, 48; and thermal equilibrium, 65–68, 94

  Heisenberg, Werner, 56–57, 58, 59, 60, 197; and matrix mechanics, 56–57, 58, 72, 75–78; uncertainty principle of, 57, 77–78, 109, 217–19; and use of Euler’s formula, 75–78

  Heraclitus of Ephesus, 52, 153

  Herman, Arthur: How the Scots Invented the Modern World, 31–32

  Herman, Robert, 127–28, 130

  Hertog, Thomas, 144, 145

  Hertz, Heinrich, 42

  hidden variable theories, 83–84

  Higgs, Peter, 174

  Higgs boson/particle, 5, 175, 196, 206, 255–56

  Higgs field (φ), 107, 110, 171, 173, 174–75, 178, 188, 189

  Higgs mechanism, 174, 236

  Higgs potential energy [V(φ)], 175, 190

  High-Z Supernova Search Team, 137

  Hilbert, David, 178, 179

  Hitler, Adolf, 180

  Hooft, Gerard ’t, 172

  Hubble, Edwin, 123–24

  Hubble length, 255, 256

  Hubble Telescope, 119

  Hume, David, 11–15, 31, 32, 152, 253; Dialogues Concerning Natural Religion, 13, 247; An Enquiry Concerning Human Understanding, 11–14; ethics of, 14–15; as influence on Einstein, 14

  Huxley, Julian, 229–30

  Huxley, T. H., 96, 229

  Hypatia, 52

  i (imaginary number; square root of minus one), 72–75, 92, 93–95, 168, 206; and Euler’s formula, 75, 170–71; and matrix mechanics, 72–76; and time as imaginary dimension of space, 94–95

  IBM Labs, 218

  Imperial College (London), 106

  Industrial Revolution, 30, 32–33, 56, 239

  inflation, theory of, 106–10, 136, 139–54; vs. cyclic universe theory, 149–54; Guth’s proposal of, 107–8, 121, 141; Hartle–Hawking proposal and, 142–45, 146, 149; M-theory and, 146–49; problems of, 109–10, 139–42; and vacuum energy, 140, 144, 146–47, 170, 179

  information, 5–6; computer storage of, 217–18; and knowledge-based companies, 204; overload of, 68–69, 203, 209–11; security/encryption of, 220, 224. See also communication/information technology; computers; internet

  Institute for Theoretical Physics (University of Copenhagen), 59, 126

  integral sign, 169–71

  Intel, 217

  International Linear Collider, 236–37

  internet, 6, 19, 68, 167, 220, 252; collaborative knowledge on, 203, 211; companies based on, 204; and education, 5, 203, 211–12, 255; predicted use/problems of, 227–28, 230

  Jewish scientists/scholars: discriminatory treatment of, 59–60, 178, 199; and Nazi regime, 180

  Johns Hopkins University, 137

  Kelly, Mervin, 214, 215, 216

  Kelvin, Lord (William Thomson), 34–35, 44, 213; and theory of heat, 35, 56; and Treatise on Natural Philosophy, 35

  Kenya, 22, 166

  Kepler, Johannes, 25

  Keynes, John Maynard, 24

  Khartoum, University of, 164

  Kibble, Tom, 174

  King’s College (London), 36, 43, 251

  Kirchhoff, Gustav, 44

  Klein, Felix, 178, 179

  Kobayashi, Makoto, 173

  kosmos (universe), 99–100

  Krauss, Lawrence: A Universe from Nothing, 246–47

  Kurlbaum, Ferdinand, 64

  Landau, Lev D., and “Landau ghost,” 188

  Large Hadron Collider, 5, 47, 107, 175, 205, 236–37

  Laughlin, Robert, 235

  Leibniz, Gottfried Wilhelm, 62

  Lemaître, Georges, 123–25, 127, 136, 154; and big bang theory, 124–25, 228; “Primeval Atom” hypothesis of, 124–25, 143

  Lenard, Philipp, 69

  Lenz, Heinrich, 44

  Leonardo da Vinci, 16–17; The Last Supper, 17; Mona Lisa, 17

  Lesotho, author’s teaching post in, 158–59

  Leuven, University of, 144

  libraries, 55, 223–24

  light: colour of, 28, 35, 47, 61–62, 64, 68, 123–24; and “double-slit experiment,” 78–79; and electromagnetism, 42–48, 101, 110–13; energy packets of (photons), 58, 61–72, 78–79, 93, 103, 148, 175; Leonardo’s understanding of, 17; and mass-energy equivalence, 113–16; and photoelectric effect, 58, 69; spectrum of, 47, 62, 64, 128, 131–32; speed of, 45, 84, 89–90, 104–5, 110–17, 138–39, 193. See also electromagnetism; photons; quantum theory

  Linde, Andrei, 106

  Lorentz, Hendrik, 47, 58; and Lorenz contraction, 113, 138–39; and Lorentz transformat
ion, 112–13, 115, 116

  Maasai people, 7

  Mandela, Nelson, 3, 50, 160

  Mandela, Winnie, 160

  Manutius, Aldus, 55

  Marx, Karl, 6

  Maskawa, Toshihide, 173

  mass-energy equivalence, Einstein’s formula of (E = mc2), 113–16

  mass media, 225–26

  mathematics: in academic curriculum, 10, 32, 34; of complex numbers, 74–77, 168–71; of curved space, 118, 147; development/early history of, 7–9; Dirac on, 156, 183, 185–87; of Euler’s formula, 75, 92, 170–71; Galileo and, 18, 20; Hume on, 12, 13; of imaginary numbers, 72–76, 92, 93–95, 168, 206; Leonardo on, 16–17; of Maxwell’s electromagnetic theory, 42–46, 210; and music, 9, 19, 75; Newton’s work in, 23–31, 43, 101; and physics, 19–21; Pythagorean, 8–9, 77, 167, 168–69; and quantum computing, 220, 222, 224; and study of nature/world, 15–19. See also algebra; arithmetic; calculus; geometry; individual scientists/mathematicians

  matrix mechanics (Heisenberg), 56–57, 58, 72, 75–78; number i and, 72–76

  Maupertuis, Pierre-Louis, 62

  Maxwell, James Clerk, 1, 33–36, 49, 50, 109, 206, 213; education of, 34–35; and Einstein’s theory of special relativity, 47, 101–2, 110–11, 112; and electromagnetic theory, 34, 36, 39, 42–48, 56, 61, 63, 84, 92, 101, 110–12, 115, 172, 174, 175, 210; and Faraday, 42–43, 45; and force field theory, 42–46, 80, 172, 174, 199; and Lorentz’s theories, 112–13, 115, 116; and Newton’s theories, 33, 43, 47; public outreach by, 251–52; and quantum theory, 46, 48, 61, 92, 101–2; and speed/nature of light, 45–46, 47, 101, 111, 112; Yang–Mills theory and, 172, 174

  McLuhan, Marshall, 225–27, 230; Understanding Media: The Extensions of Man, 225

  Merchant Venturers’ Technical College (Bristol), 182

  microscopes, 20, 235. See also Large Hadron Collider

  microwaves, 47, 105–6, 111, 119; and background radiation, 127–33, 214, 151–52. See also radiation, cosmic microwave

  Milky Way, 29, 122

  Mills, Robert, 172; and Yang–Mills theory, 172, 174

  Minkowski, Hermann, 94, 178

  MinutePhysics (YouTube channel), 252

  momentum, 177–78; conserved quantities and, 177–78, 179; of electron, 71, 72, 77

 

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