630 INDEX
Kinetic
energy
(cont.)
42,
55,
68-69,
127n. See
also
Ideal
gas;
Molecules;
Potential
Kinetic
theory (also Molekularmechanik),
125n,
457, 461,
475, 514, 518n,
521-522,
542;
AE's
interest
in,
7;
classical,
545n
Kinetic
theory
of
gases, 245n, 270, 280, 507n,
542;
AE's
lectures
on
statistical
physics
and,
xvii,
6-7,
10,
179-241,
242n-247n,
598-
599; calculation of, 125n
Kirchhoff's
laws: for circuits,
368;
for radia-
tion,
542. See
also
Electric circuits
Klein,
Felix (1849-1925), 447
Kleiner,
Alfred (1849-1916), xvi-xvii,
441-
443, 449n,
[576],
598;
letters
to
AE,
xvi
Knäge,
[576]
Knudsen,
Martin Hans Christian (1871-1949),
6-7,
192, 194,
243n-244n,
247n,
507n
Knudsen's
relation, 247n
Koch, [581]
Koenigsberger,
Johann
G. (1874-1946),
500
Koenigsberger bridge problem, [584]
Komplexionen.
See
Complexions
König's theorem, 69,
127n
König,
Walter (1859-1936):
letter from
AE,
9;
letter
to AE,
9
Krakatoa eruption
(1883),
507n
Kundt, August Adolph
(1839-1894), 191,
243n
Laboratories,
429;
and
coordinate
systems,
426;
moving
and
stationary,
425. See also
Experiments
Ladenburg,
Erich (1878-1908),
413n,
500
Ladenburg,
Rudolf
Walther (1882-1952),
600
Lagrange,
Joseph-Louis
de (1736-1813),
8,
90
Lagrange
equations,
90-91, 95-96,
108, 117,
120, 128n,
550
Lagrangian,
128n,
514n-515n. See
also
Mechanics
Lämmel,
Rudolf
(1879-1972),
446-447, 449n
Langevin,
Paul
(1872-1946), 7, 217, 222,
245n-246n,
439n,
505n, 513n, 518n,
557-
558,
560
Langevin's
formula,
222,
245n
Laplace,
Pierre-Simon (1749-1827),
268n
Laplace's
equation,
321-322, 348
Lattice, 462,
526; model,
405, 407n,
411,
421n,
512n, 526;
normal
modes,
xxv
Laub,
Jakob Johann (1882-1962), 257n;
letters
from
AE,
xx-xxii, 3-4,
174n-175n, 257n,
281n,
284,
315n,
406n,
418n,
547n;
letter
from Laue,
Max
(von)
xxviii
Laue, Max
(von)
(1879-1960), 4,
268n,
599-
600;
letter
to
Laub, Jakob
Johann,
xxviii
Lausanne,
xxii
Least
action, principle
of, 91,
93,
116-117,
119-120
Lebendige
Kraft. See Kinetic
energy
Lenard,
Philipp
(1862-1947),
497n,
547n
Length,
determination
of
for
moving
rod,
153-
154, 156,
433-434;
physical significance
of
contraction,
478-479,
484n;
possible
role
of
ether
in
contraction, 444;
velocity depen-
dence of, 160-161, 435,
444;
See also
con-
ventions;
Lorentz's
contraction
hypotheses;
Rigid
rod
Lenz's
law,
123
Lichtenecker,
Karl
(1882-?),
504n
Light:
deflection,
xxix,
486, 494,
497n;
diffrac-
tion,
xviii, 131, 426;
dispersion,
250, 253n,
280,
522, 544n;
emission and
absorption,
457;
emission
theory
of,
xviii, 133;
experi-
ments on, 547n;
frequency,
253n;
index
of
refraction
of, 297;
interference
of
(see
Inter-
ference
of
light);
monochromatic, 500;
parti-
cle
theory
of
(see
emission
theory
of);
pressure,
5,
64;
propagation
(see
Propaga-
tion
of
light); scattering
(see
Scattering
of
light); signals,
149-150, 431-432,
441,
479;
undulatory theory
of
(see
wave theory
of);
velocity
of
(see
Velocity
of
light);
wave,
131, 298, 390;
wave theory
of,
xviii
(see
also
Wave
theory).
See
also
Electromagnetic
theory;
Maxwell's
equations
Light quanta,
xx-xxi,
125n,
457,
546n;
exis-
tence of, xxi, 547n;
theory
of,
249-250
Lindemann,
Frederick Alexander (1886-1957),
xxiv-xxv,
475n-477n,
501, 503, 512, 512n,
527-528, 542,
544n, 547n,
560-561;
equa-
tion
of,
460, 467-468, 470-471,
476n-477n.
See
also
Nernst-Lindemann
equation
Lines
of
force. See
Force,
lines
of
Liouville's
theorem,
244n
Liquids,
6, 287, 402; binary
mixture
of,
283;
mixture
(see Fluid, mixtures); specific
heat
of,
[567]; viscosity
coefficient,
418n
Localization. See
Electromagnetic energy;
En-
ergy;
Forces
Lohner,
Emil
(1865-1959):
letter from
AE,
xvi
Lorentz,
Hendrik Antoon (1853-1928),
510n,
550, 562n;
correspondence
with
AE, 547n;
and
ether, 135,
428-429,
439n;
letters from
AE, xix, 253n,
454n-455n,
476n, 504n,
511n,
518n,
545n-547n,
562n;
letters
to AE,
253n,
511n,
547n;
letter from
Fokker, Ad–