The Cambridge Handbook of Physics
Formulas
Index from 'coherence' to 'dodecahedron'
coherence
length [8.106], 172
mutual [8.97], 172
temporal [8.105], 172
time [8.106], 172
width [8.111], 172
Coherence (scalar theory), 172
cold plasmas, 157
collision
broadening [8.114], 173
elastic, 73
inelastic, 73
number [5.91], 113
time (electron drift) [6.61], 132
colour excess [9.37], 179
colour index [9.36], 179
COMMON THREE-DIMENSIONAL COORDINATE SYSTEMS, 21
commutator (in uncertainty relation) [4.6], 90
COMMUTATORS, 26
COMPACT OBJECTS AND BLACK HOLES, 183
complementary error function [2.392], 45
COMPLEX ANALYSIS, 31
complex conjugate [2.160], 30
COMPLEX NUMBERS, 30
complex numbers
argument [2.158], 30
cartesian form [2.154], 30
conjugate [2.160], 30
logarithm [2.163], 30
modulus [2.156], 30
polar form [2.155], 30
Complex variables, 30
compound pendulum [3.182], 76
compressibility
adiabatic [5.21], 107
isothermal [5.20], 107
compression modulus, see bulk modulus
compression ratio [5.13], 107
Compton
scattering [7.240], 155
wavelength (value), 8
wavelength [7.240], 155
conditional probability [2.568], 59
conductance (definition), 148
conductance (dimensions), 16
conduction equation (and transport) [5.96], 113
conduction equation [2.341], 43
conductivity
and resistivity [7.142], 147
dimensions, 16
direct [7.279], 158
electrical, of a plasma [7.233], 155
free electron a.c. [6.63], 132
free electron d.c. [6.62], 132
Hall [7.280], 158
conductor refractive index [7.234], 155
cone
centre of mass [3.175], 76
moment of inertia [3.160], 75
surface area [2.272], 37
volume [2.273], 37
configurational entropy [5.105], 114
CONIC SECTIONS, 38
conical pendulum [3.180], 76
conservation of
angular momentum [4.113], 98
charge [7.39], 139
mass [3.285], 84
CONSTANT ACCELERATION, 68
constant of gravitation, 7
contact angle (surface tension) [3.340], 88
continuity equation (quantum physics) [4.14], 90
continuity in fluids [3.285], 84
CONTINUOUS PROBABILITY DISTRIBUTIONS, 58
contravariant components
in general relativity, 67
in special relativity [3.26], 65
convection (in a star) [9.64], 181
convergence and limits, 28
CONVERSION FACTORS, 10
Converting between units, 10
convolution
definition [2.488], 53
derivative [2.499], 53
discrete [2.581], 60
Laplace transform [2.517], 55
rules [2.490], 53
theorem [2.491], 53
coordinate systems, 21
coordinate transformations
astronomical, 177
Galilean, 64
relativistic, 64
rotating frames [3.31], 66
Coordinate transformations (astronomical), 177
coordinates (generalised ) [3.213], 79
coordination number (cubic lattices), 127
Coriolis force [3.33], 66
CORNU SPIRAL, 167
Cornu spiral and Fresnel integrals [8.54], 167
correlation coefficient
multinormal [2.560], 58
Pearson's r [2.547], 57
correlation intensity [8.109], 172
correlation theorem [2.495], 53
cosx
and Euler's formula [2.217], 34
series expansion [2.136], 29
cosec, see csc
cschx [2.232], 34
coshx
definition [2.218], 34
series expansion [2.144], 29
cosine formula
planar triangles [2.250], 36
spherical triangles [2.258], 36
cosmic scale factor [9.95], 185
cosmological constant [9.97], 185
COSMOLOGICAL PARAMETERS, 184
Cosmology, 184
cos-1 x, see arccosx
cotx
definition [2.227], 34
series expansion [2.141], 29
cothx [2.228], 34
Couette flow [3.306], 85
coulomb (unit), 4
Coulomb gauge condition [7.42], 139
Coulomb logarithm [7.254], 156
Coulomb's law [7.119], 145
couple
definition [3.67], 68
dimensions, 16
electromagnetic, 145
for Couette flow [3.306], 85
on a current-loop [7.127], 145
on a magnetic dipole [7.126], 145
on a rigid body, 77
on an electric dipole [7.125], 145
twisting [3.252], 81
coupling coefficient [7.148], 147
covariance [2.559], 58
covariant components [3.26], 65
cracks (critical length) [6.25], 128
critical damping [3.199], 78
critical density (of the universe) [9.98], 185
critical frequency (synchrotron) [7.293], 159
critical point
Dieterici gas [5.75], 111
van der Waals gas [5.70], 111
cross-correlation [2.494], 53
cross-product [2.2], 20
cross-section
absorption [5.175], 120
Breit-Wigner [4.174], 104
Mott scattering [4.180], 104
Rayleigh scattering [7.236], 155
Rutherford scattering [3.124], 72
Thomson scattering [7.238], 155
CRYSTAL DIFFRACTION, 128
CRYSTAL SYSTEMS, 127
Crystalline structure, 126
cscx
definition [2.231], 34
series expansion [2.140], 29
cschx [2.232], 34
cube
electrical capacitance [7.17], 137
mensuration, 38
CUBIC EQUATIONS, 51
cubic expansivity [5.19], 107
CUBIC LATTICES, 127
cubic system (crystallographic), 127
Curie temperature [7.114], 144
Curie's law [7.113], 144
Curie-Weiss law [7.114], 144
CURL, 22
curl
cylindrical coordinates [2.34], 22
general coordinates [2.36], 22
rectangular coordinates [2.33], 22
spherical coordinates [2.35], 22
current
dimensions, 16
electric [7.139], 147
law (Kirchhoff's) [7.161], 149
magnetic flux density from [7.11], 136
probability density [4.13], 90
thermodynamic work [5.9], 106
transformation [7.165], 149
current density
dimensions, 16
four-vector [7.76], 141
free [7.63], 140
free electron [6.60], 132
hole [6.89], 134
Lorentz transformation, 141
magnetic flux density [7.10], 136
curvature
in differential geomtry [2.287], 39
parameter (cosmic) [9.95], 185
radius of
and curvature
[2.288],
39
plane curve
[2.283],
39
curve length (plane curve) [2.280], 39
CURVE MEASURE, 39
CYCLE EFFICIENCIES (THERMODYNAMIC), 107
cyclic permutation [2.97], 26
cyclotron frequency [7.265], 157
cylinder
area [2.270], 37
capacitance [7.15], 137
moment of inertia [3.155], 75
torsional rigidity [3.253], 81
volume [2.271], 37
cylinders (adjacent)
capacitance [7.21], 137
inductance [7.25], 137
cylinders (coaxial)
capacitance [7.19], 137
inductance [7.24], 137
cylindrical polar coordinates, 21
d orbitals [4.100], 97
D'Alembertian [7.78], 141
damped harmonic oscillator [3.196], 78
damping profile [8.112], 173
day (unit), 5
day of week [9.3], 177
daylight saving time [9.4], 177
de Boer parameter [6.54], 131
de Broglie relation [4.2], 90
de Broglie wavelength (thermal) [5.83], 112
de Moivre's theorem [2.215], 34
Debye
T3 law [6.47], 130
frequency [6.41], 130
function [6.49], 130
heat capacity [6.45], 130
length [7.251], 156
number [7.253], 156
screening [7.252], 156
temperature [6.43], 130
DEBYE THEORY, 130
Debye-Waller factor [6.33], 128
deca, 5
decay constant [4.163], 103
decay law [4.163], 103
deceleration parameter [9.86], 184
deci, 5
decibel [5.144], 117
declination coordinate [9.11], 177
decrement (oscillating systems) [3.202], 78
DEFINITE INTEGRALS, 46
degeneracy pressure [9.77], 183
degree (unit), 5
degree Celsius (unit), 4
degree kelvin [5.2], 106
degree of freedom (and equipartition), 113
degree of mutual coherence [8.99], 172
degree of polarisation [8.96], 171
degree of temporal coherence, 172
deka, 5
del operator, 21
del-squared operator, 23
DELTA FUNCTIONS, 50
delta-star transformation, 149
densities of elements, 124
density (dimensions), 16
density of states
electron [6.70], 133
particle [4.66], 94
phonon [6.44], 130
density parameter [9.99], 185
depolarising factors [7.92], 142
DERIVATIVES (GENERAL), 40
determinant [2.79], 25
deviation (of a prism) [8.73], 169
diamagnetic moment (electron) [7.108], 144
diamagnetic susceptibility (Landau) [6.80], 133
DIAMAGNETISM, 144
DIELECTRIC LAYERS, 162
DIETERICI GAS, 111
Dieterici gas law [5.72], 111
DIFFERENTIAL EQUATIONS, 43
differential equations (numerical solutions), 62
DIFFERENTIAL GEOMETRY, 39
DIFFERENTIAL OPERATOR IDENTITIES, 23
differential scattering cross-section [3.124], 72
Differentiation, 40
differentiation
hyperbolic functions, 41
numerical, 61
of a function of a function [2.296],
40
of a log [2.301], 40
of a power [2.293], 40
of a product [2.294], 40
of a quotient [2.295], 40
of exponential [2.302], 40
of integral [2.300], 40
of inverse functions [2.305], 40
trigonometric functions, 41
under integral sign [2.299], 40
diffraction from
N slits [8.25], 164
1 slit [8.37], 165
2 slits [8.24], 164
circular aperture [8.40], 165
crystals, 128
infinite grating [8.26], 164
rectangular aperture [8.39], 165
diffraction grating
finite [8.25], 164
general, 164
infinite [8.26], 164
diffusion coefficient (semiconductor) [6.88], 134
diffusion equation
differential equation [2.341], 43
Fick's first law [5.93], 113
diffusion length (semiconductor) [6.94], 134
diffusivity (magnetic) [7.282], 158
dilatation (volume strain) [3.236], 80
Dimensions, 16
diode (semiconductor) [6.92], 134
dioptre number [8.68], 168
dipole
antenna power
flux [7.131],
146
gain [7.213],
153
total [7.132],
146
electric field [7.31], 138
energy of
electric
[7.136],
146
magnetic
[7.137],
146
field from
magnetic
[7.36],
138
moment (dimensions), 17
moment of
electric
[7.80],
142
magnetic
[7.94],
143
potential
electric
[7.82],
142
magnetic
[7.95],
143
radiation
field [7.207],
153
magnetic
[9.69],
182
radiation resistance [7.209], 153
dipole moment per unit volume
electric [7.83], 142
magnetic [7.97], 143
Dirac bracket, 92
Dirac delta function [2.449], 50
Dirac equation [4.183], 104
Dirac matrices [4.185], 104
DIRAC NOTATION, 92
direct conductivity [7.279], 158
directrix (of conic section), 38
disc, see disk
discrete convolution, 60
DISCRETE PROBABILITY DISTRIBUTIONS, 57
DISCRETE STATISTICS, 57
disk
Airy [8.40], 165
capacitance [7.13], 137
centre of mass of sector [3.172], 76
coaxial capacitance [7.22], 137
drag in a fluid, 85
electric field [7.28], 138
moment of inertia [3.168], 75
DISLOCATIONS AND CRACKS, 128
dispersion
diffraction grating [8.31], 164
in a plasma [7.261], 157
in fluid waves, 86
in quantum physics [4.5], 90
in waveguides [7.188], 151
intermodal (optical fibre) [8.79], 169
measure [9.70], 182
of a prism [8.76], 169
phonon (alternating springs) [6.39],
129
phonon (diatomic chain) [6.37], 129
phonon (monatomic chain) [6.34], 129
pulsar [9.72], 182
displacement, D [7.86], 142
DISTANCE INDICATORS, 180
distance-redshift relation [9.89], 184
DIVERGENCE, 22
divergence
cylindrical coordinates [2.30], 22
general coordinates [2.32], 22
rectangular coordinates [2.29], 22
spherical coordinates [2.31], 22
theorem [2.59], 23
dodecahedron, 38