PACS codes from Acoustics Appendix are
indicated by an asterisk (*).

            ---
	     A
            ---

A15 compounds and alloys, 74.70.A
Ab initio calculations (electronic structure of atoms and molecules),
 31.15.A
Abelian groups, 02.20.K
Aberrations, optical, 42.15.F
Ablation
 -film deposition, 81.15.F
 -laser-radiation effects, 79.20.D
Abrasion
 -materials, 81.40.P
 -mechanics, 46.30.P
Absorption
 -acoustical
  -architectural acoustics, *43.55.E, N
  -linear acoustics, *43.20.H
  -nonlinear acoustics, *43.25.E
  -underwater, *43.30.E, K
 -neutron, 28.20.F
 -optical, 42.25.B
 -of photons by nuclei, 25.20.D
 -of radiation
  -atmospheric, 42.68.A, 94.10.G
  -plasma, 52.25
Absorption coefficients, optical, 78.20.C
Absorption edges, x-ray, 78.70.D
Absorption spectra
 -atoms, 32.30
 -biomolecules, 87.15.M
 -clusters, 36.40.M
 -excitons, 71.35.C
 -macro- and polymer molecules, 36.20.K
 -molecules, 33.20
 -solids and liquids, 78.40
Absorption spectroscopy
 -biophysics, 87.64.N
 -chemical analysis, 82.80.C
 -instrumentation, 07.57.T, 07.60.R
Abstraction reactions, 82.30.H
Acceleration
 -biological effects of, 87.65
 -measurement of, 06.30.G
Accelerators
 -advanced concepts, 41.75.L
 -collective and linear, 29.17
 -cyclic, 29.20
 -electrostatic, 29.17
 -plasma, 52.75.D
 -for radiation therapy, 87.56.B
Accidents (nuclear reactors), 28.41.T
Accommodation
 -chemisorption, 82.65.M
 -gas dynamics, 47.45.N
Accretion and accretion disks
 -galactic, 98.62.M
 -Milky Way, 98.35.N
 -stellar, 97.10.G
Acoustic emission, *43.40.L
Acoustic impedance, *43.20.R
 -architectural acoustics, *43.55.E
 -of ground, snow, and ice, *43.28.E
Acoustic signal processing, 43.60
Acoustic streaming, *43.25.N
Acoustic transduction, 43.38
Acoustical holography, *43.35.S, *43.60.S
Acoustical instruments and techniques, 07.64, 43.58
Acoustical properties
 -gases, 51.40
 -liquids, 62.60
 -rocks and minerals, 91.60.L
 -solid-fluid interfaces, 68.45.N
 -solid surfaces and interfaces, 68.35.G
 -solids, 62.65
 -superconductors, 74.25.L
 -thin films, *43.35.N, 68.60.B
Acoustics
 -architectural, 43.55
 -atmospheric, 43.28
 -biological, 43.80
 -linear, 43.20
 -nonlinear, 43.25
 -physiological, 43.64
 -psychological, 43.66
 -structural, 43.40
 -underwater, 43.30
Acousto-electric effects
 -conductivity phenomena, 72.50
 -piezoelectrics, 77.65.D
 -thin films, 73.50.R
Acousto-optical devices, 42.79.J
Acousto-optical effects, *43.35.S, 78.20.H
Activation analysis, radiochemical, 82.80.J
Adaptation, visual
 -color, 42.66.N
 -light, 42.66.L
Adaptive optical systems
 -astronomy, 95.75.Q
 -atmospheric optics, 42.68.W
Adhesion
 -interfacial flow (rheology), 83.50.L
 -solid surfaces and interfaces, 68.35.G
 -structural mechanics, 46.30.P
Admittance measurement, 84.37
Adsorption
 -adsorbates
  -electron states, 73.20.H
  -photoelectron spectra, 79.60.D
 -chemisorption, 82.65.Y
 -fluid surfaces, 68.10.J
 -quantum fluids, 67.70
 -solid-fluid interfaces, 68.45.D
Aeroacoustics, 43.28
Aerodynamics, 47.40
Aeroelasticity, 46.30.M
Aeronomy (see 94)
Aerosols
 -atmospheric optics, 42.68.J
 -materials synthesis, 81.20.R
 -meteorology, 92.60.M
 -oceanography, 92.20.B
 -physical chemistry, 82.70.R
Aerospace biophysics and medical physics, 87.65
Africa, 93.30.B
Afterglow, plasma reactions, 82.40.R
Aggregation, diffusion-limited, 61.43.H
Aging, materials, 81.40.C
Aharonov-Bohm effect, 03.65.B, 72.15.R
Air pollution
 -atmospheric chemistry, 82.40.W
 -atmospheric optics, 42.68.K
 -meteorology, 92.60.S
Airglow, 94.10.R
Algebraic geometry, 02.10.R
Algebraic groups, classical linear, 02.20.H
Algebraic methods
 -in quantum mechanics, 03.65.F
 -in string theory, 11.25.H
Algebraic topology, 02.40.R
Algebras, 02.10
 -Lie, 02.20.S
Alkali halides, photoluminescence of, 78.55.F
Alkali metals, electronic structure of, 71.20.D
Alloys
 -absorption spectra, 78.40.K
 -diamagnetism and paramagnetism, 75.20.E
 -electronic conduction
  -bulk matter, 72.15.C, E
  -liquid, 72.15.C
  -thin films, 73.61.A
 -electronic structure, 71.20.B, E, G
 -fabrication, 81.05.B
 -impurity and defect levels, 71.55.A
 -infrared and Raman spectra, 78.30.E
 -local magnetic moment, 75.20.H
 -magnetic materials, 75.50
 -optical properties of thin films, 78.66.B
 -phase diagrams, 81.30.B
 -radiation effects, 61.82.B
 -self-diffusion, 66.30.F
 -structure
  -amorphous, 61.43.D
  -crystalline, 61.66.D
  -liquid, 61.25.M
 -superconducting, 74.70
Alpha Cygni stars, 97.30.D
Alpha decay, 23.60
Alpha-particle-induced nuclear reactions, 25.55
Ammeters, 07.50.Y
Amorphous magnetic materials, 75.50.K
Amorphous metals and alloys
 -electrical and thermal conductivity, 72.15.C
 -electron density of states, 71.23
 -photoelectron spectra, 79.60.H
 -structure of, 61.43.D
Amorphous semiconductors
 -electronic structure, 71.23.C
 -fabrication, 81.05.G
 -impurity and defect levels, 71.55.J
 -infrared and Raman spectra, 78.30.L
 -photoelectron spectra, 79.60.H
 -structure, 61.43.D
 -synthesis, 81.05.G
 -thin films
  -electrical conductivity, 73.61.J
  -optical properties, 78.66.J
Amorphous superconductors, 74.80.B
Amplifiers
 -electronic, 84.30.L
 -laser, 42.60.D
 -optical parametric, 42.65.Y
Analytic spaces, 02.30.F
Anderson model, 71.23, 71.27
Anelasticity
 -materials treatment effects on, 81.40.J
 -mechanical properties of solids, 62.40
Anemometry, 47.80, 93.85
Angiography, 87.59.D
Angles, measurement of, 06.30.B
Angular velocity measurement, 06.30.G
Anharmonic lattice modes, 63.20.R
Annealing
 -crystal defects, 61.72.C
 -effects on microstructure and properties, 81.40.E
 -magnetic, 75.60.N
Announcements, 01.10.C
Anodization, 82.45
Anoxic environments, oceanography, 92.20.H
Antarctica, 93.30.C
Antennas, 84.40.B
 -plasma interactions with, 52.40.F
Antibunched photon states, 42.50.D
Antiferroelectricity, 77.80
Antiferromagnetic resonance, 76.50
Antiferromagnetics, 75.50.E
Antiphase boundaries, 81.30
Antiproton-induced reactions, 25.43
Antireflection coatings, 42.79.W
Anyons, 71.10.P
 -superconductivity, 74.20.M
Apertures, optical, 42.79.A
Apodization, 42.15.E
APW calculations, 71.15.A
Arc discharges, 52.80.M
Arc welding, 52.75.R
Archaeoastronomy, 95.90
Archeomagnetism, 91.25.D
Architectural acoustics, 43.55
Arctic Ocean, 93.30.L
Arrays
 -fiber optical, 42.81.Q
 -integrated optics, 42.82.E
 -laser, 42.60.D
 -solar cells, 84.60.J
Artificial intelligence, 07.05.M
Artificial satellites, 07.87, 95.40, 95.55.P
Ash deposits, 91.40.B
Asia, 93.30.D
Associated liquids, structure of, 61.20.Q
Association reactions, chemical, 82.30.N
Associative rings and algebras, 02.10.T
Asteroids, 96.30.Y
Astrometric binary stars, 97.80.A
Astrometry, 95.10.J
 -instrumentation, 95.55.B
Astron (magnetic trap), 52.55.L
Astronomy
 -databases, 95.80
 -fundamental, 95.10
 -historical, 95.90
Astrophysical plasma, 95.30.Q
Astrophysics, fundamentals, 95.30
Asymptotic structure, general relativity, 04.20.H
Atlantic Ocean, 93.30.M
Atmosphere
 -Earth
  -effects of volcanic eruptions, 91.40.D
  -global change, 92.70.C
  -ionosphere, 94.20
  -magnetosphere, 94.30
  -neutral, 94.10
  -troposphere, 92.60
 -Moon, 96.20.D
 -planetary, 96.35.H, K
 -stellar, 97.10.E
Atmosphere/ocean/Earth interaction, 91.10.V
Atmospheric acoustics, 43.28
Atmospheric chemistry, 82.40.W
 -meteorology, 92.60.H
 -neutral atmosphere, 94.10.F
Atmospheric ion precipitation, 94.20.Q, 94.30.H
Atmospheric optics, 42.68
Atmospheric pressure, 94.10.D
Atmospheric sound, 43.28
Atom interferometry, 03.75.D, 39.20
Atom-molecule potentials and forces, 34.20.G
Atom optics, 03.75.B
Atomic and molecular data, astrophysics, 95.30.K
Atomic beam epitaxy, 81.15.H
Atomic beams
 -chemical reactions, 34.50.L, 82.40.D
 -damage by (condensed matter), 61.80.L
 -detectors for, 07.77
 -interactions with solids, 79.20.R
 -sources of, 07.77.G, 39.10
 -in structural analysis, 61.18.B
Atomic clusters, 36.40
Atomic collisions (see 34)
Atomic ensemble, phase coherence of, 03.75.F, 42.50.G
Atomic force microscopy
 -biophysics, 87.64.D
 -instruments, 07.79.L
 -surface structure, 61.16.C
Atomic forces, 34.20
Atomic isotopes, 32.10.B
Atomic mass, 32.10.B
Atomic moments, 32.10.D
Atomic-orbital methods, 71.15.F
Atomic physics (see 30)
Atomic properties, 32.10
Atomic spectra, 32.30
 -astrophysics, 95.30.K
Atomic sphere approximation methods, 71.15.L
Atoms
 -collisions in plasma, 52.20.H
 -cooling and trapping, 32.80.P
 -electric and magnetic moments, 32.10.D
 -electron affinity, 32.10.H
 -electronic structure
  -calculations of, 31.15
  -theory of, 31.10
 -excitation and ionization by electron impact, 34.80.D
 -exotic, 36.10
 -hot atom reactions, 82.55
 -ionization potential, 32.10.H
 -polarizability, 32.10.D
 -scattering, 34.50
Attenuation, light waves, 42.25.B
Attenuators, optical, 42.79.Y
Audio and visual aids, educational, 01.50.F
Auditory system, 43.64
Auger effect
 -atoms, 32.80.H
 -solids, 79.20.F
Auger spectroscopy, 82.80.P
Augmented plane-wave (APW) calculations, 71.15.A
Aurora, 94.10.R
Australia, 93.30.F
Autoionization
 -atoms, 32.80.D
 -molecules, 33.80.E
Avalanche counters, 29.40.C
Avalanche effect, 64.60.L
Awards, 01.10.C
Axial vector currents, 11.40.H
Axiomatic field theory, 11.10.C
Axions, 14.80.M