String Theory Demystified
String Theory Demystified
String Theory Demystified
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INDEX 305<br />
Schwarzschild metric, 242<br />
Schwarzschild radius, 250<br />
Second quantization, 69<br />
Sectors, 141. See also individual sectors by name<br />
Signatures of metrics, 23<br />
Singularities, 241<br />
SO(32) heterotic string theory<br />
action for, 208–209<br />
overview, 192<br />
quantization of, 209–214<br />
Space-fi lling branes, 221<br />
Space-time arena, 223–224<br />
Space-time bosons, 143, 199–200<br />
Space-time fermions, 143, 200<br />
Space-time supersymmetry, 175–176, 180<br />
Space-time translation, 56–57<br />
Spatial dimensions in bosonic string theory, 188<br />
Special conformal transformations, 99<br />
Spin-1 gauge bosons, 8<br />
Spin-1/2 fermions, 8<br />
Spin-2 bosons, 8–9<br />
Spinor index, 177<br />
Splitting strings, 14<br />
Standard model, 8<br />
Standing waves on string, 45<br />
Stress-energy tensor, 3, 52, 106, 136–139<br />
<strong>String</strong> coordinates, 30<br />
<strong>String</strong> quantization<br />
covariant<br />
closed string spectrum, 82–85<br />
commutation relations for closed string, 74–75<br />
commutation relations for open string, 75<br />
open string spectrum, 75–82<br />
overview, 70–73<br />
light-cone, 85–87<br />
overview, 69<br />
<strong>String</strong> sigma model action<br />
defi ned, 36<br />
light-cone coordinates, 42<br />
symmetries of<br />
overview, 53–56<br />
Poincaré transformations, 56–57<br />
reparameterizations, 57–58<br />
Weyl transformations, 58–59<br />
<strong>String</strong> theory. See also individual types of string theory by<br />
name; Superstring theory<br />
basic analysis in, 10–11<br />
BRST quantization in, 120–121<br />
conformal fi eld theory in, 92–93<br />
D-branes, 15–16<br />
fundamental constants, 11–12<br />
general relativity, 2–3<br />
higher dimensions, 16–17<br />
M-theory, 15<br />
overview, 1–2, 12–14<br />
quantizing gravitational fi eld, 8–10<br />
quantum theory, 3–8<br />
standard model, 8<br />
types of, 14–15<br />
unifi cation, 11–12<br />
<strong>String</strong>s in space-time, 28–32<br />
Strong particle interactions, 8<br />
Structure constants, 116<br />
Sundrum, Raman, 273<br />
Super Yang-Mills (SYM) theory, 257, 259–261<br />
Supercharge, 169<br />
Supercovariant derivative, 171<br />
Supercurrents, 138<br />
Superfi elds<br />
overview, 168–171<br />
for worldsheet supersymmetry, 171–173<br />
Super-partners, 190<br />
Super-Poincaré group, 178<br />
Superspace, 168–171<br />
Superstring theory. See also RNS superstrings;<br />
Type II A string theory; Type II B string theory<br />
bosonic string theory, 188–189<br />
canonical quantization, 184–185<br />
D-branes in, 230<br />
dualities, 192–193<br />
Grassman integration, 173–174<br />
Green-Schwarz action, 175–179<br />
heterotic E 8 × E 8 , 192<br />
heterotic SO(32), 192<br />
light-cone gauge, 181–184<br />
overview, 167–168, 187–188, 190–191<br />
space-time supersymmetry, 180<br />
superfi elds<br />
overview, 168–171<br />
for worldsheet supersymmetry, 171–173<br />
superspace, 168–171<br />
supersymmetric action, 174–175<br />
type I, 14, 191<br />
Supersymmetry (SUSY)<br />
defi ned, 127<br />
point particle, 176–179<br />
space-time, 180<br />
supersymmetric actions, 174–175<br />
transformations, 132–133, 172–173<br />
ways to describe, 210<br />
Supersymmetry generator, 169<br />
Super-Virasoro operators<br />
NS sector algebra, 145<br />
overview, 143–144<br />
R sector algebra, 146–147<br />
Susskind, Leonard, 256<br />
SUSY (supersymmetry)<br />
defi ned, 127<br />
point particle, 176–179<br />
space-time, 180<br />
supersymmetric actions, 174–175<br />
transformations, 132–133, 172–173<br />
ways to describe, 210<br />
SYM (Super Yang-Mills) theory, 257, 259–261<br />
Symmetries. See also Worldsheet currents<br />
energy-momentum tensor, 52–53<br />
hamiltonian, 67<br />
overview, 51<br />
of Polyakov action<br />
overview, 53–56