Statistical Physics, Second Revised and Enlarged Edition

Index 203

Nanoscience 4 6 -7
Neutron stars 84, 176–180
Neutron–proton ratio 17 5 –6

Open systems 136, 139–4 6
Order–disorder transformation 127– 8
Orderparameter 120, 121-6,122, 1 27- 8
Ortho–para conversion 80–1, 19 5

Partitionfunction
for an assembly 134– 5
definition 17, 2 2
factorization in diatomic gas 73– 4
of MB gas 63– 4
of oscillator 36 – 7
of reactants 14 9 - 50
of two-stateparticle 2 5
see alsoClassical statistics; Grandpartition
function
Pauli exclusionprinciple 54
see alsoFermi–Dirac statistics
Phase diagram
helium- 3 9 3, 17 3
helium- 4 102
Phase space 165– 6
Phase transitions 119–28,
138 – 9
inalloys 127– 8
in BE gas 99–101, 100
classification 11 9 –2 0
inferromagnet 120–7
inhelium-3 92–4, 93 , 94 ,172–4, 173
inhelium-4 101–4, 102 , 103
second order 119–2 5 , 125
see alsoLambda transition;
Superconductivity;
Superfluidity
Phonons 104, 107–8, 1 5 6–7
Photon gas 104–7,106, 129 –31
Planck radiation formula 10^5 –7,^106
Polarization,seeSpin factor
Pressure,P
of BEgas 101
of FDgas 90,90, 1 77– 8
of MBgas 70– 1
of radiation 106– 7
of relativistic FDgas 178
Pulsars 18 0

Quasiparticles 153, 158-63

Reaction rates 150–2, 176

Rotation in gases 7 6 –7, 79–8 1

Sackur–Tetrode equation 69,

145 – 6

Schottky anomaly 28 ,30, 7 5

Speeddistributionin gases

65–7,^67

Spin-^12 solid 25–36,93–4,120–7

Spin factor

definition47

examples 8 5 , 98, 10 5 ,10 7

Spontaneous magnetization 120–4

Spontaneous and stimulated

emission 12 9 –31

Stabilityof stars 176–80

Statistical method

applied to distinguishable

particles 14–1 7

applied to gases 5 1–6 1

modelexample 7–10

in outline 6 –7

see alsoGrandcanonical

ensemble

Stefan–Boltzmann law 106,

19 5-6

Stirling’s approximation 15, 183– 5

Superconductingdevices 33, 17 1

Superconductivity 170– 2

Superfluidity 33, 101–4,

16 3–4, 16 9–74

Temperature, statistical definition 18–21, 61 ,

6 8–70,

133 – 4

Thermodynamic properties

ofBEgas 97–101

calculation methods 22–3,

140 – 1

of FDgas 88–91

of ferromagnet 124– 5

of MBgas 68–71, 14 5 – 6

of oscillators 36–9

of two-stateparticles 2 5 – 9

Third law of thermodynamics 28, 33–4, 68–9,

112

Transitions between states

129 –32