A _i , B, C, D, E, G

constants

a, b, c

crystal axes

B

inverse dielectric constant

B

bulk modulus

C

heat capacity

c

speed of light

c

elastic stiffness

D

electric displacement

d

piezoelectric coefficient

nonlinear optical coefficient

E

Young s modulus

E

energy

E

electric field

e

strain

G

shear modulus

g

degeneracy

Hi

Hilbert transform

h

heat flow

k

extinction coefficient

k _B

Boltzmann constant

?

phonon mean free path

MW

molecular weight

m

integer

N( )

occupation density

n

refractive index

complex refractive index = n + ik

P

electric polarization

P _x,y

relative partial dispersion

p

elasto-optic tensor

p

elasto-optic compliance

p

pyroelectric constant

q

piezo-optic tensor

r

electro-optic coefficient

r

amplitude reflection coefficient

r _ij

electro-optic coefficient

S( )

line strength

s

elastic compliance

T

temperature

t

amplitude transmission coefficient

U

enthalpy

u

atomic mass unit

V

volume

v

velocity of sound

x

displacement

x

variable of integration

Z

formulas per unit

?

linear expansion coefficient

?

intensity absorption

?

thermal expansion

? _m

macroscopic polarizability

?, ?, ?

crystal angles

?

power absorption coefficient

?( )

line width

?

Gruneisen parameter

dielectric constant, permittivity

emittance

? _D

Debye temperature

?

thermal conductivity

?( )

complex function

permeability

v

wave number ( ?/2 ?c)

?

density

?

intensity reflectivity

?

stress

?

intensity...