programs # international organizations, national and international    93.55.+z  
projectile and target fragmentation   25.70.Mn  
projectiles; rockets) # ballistics (   45.40.Gj  
projective geometries # Euclidean and    02.40.Dr  
prominences   96.60.Se  
propagation # electromagnetic wave propagation; radiowave    41.20.Jb  
propagation # interaction of atmosphere with electromagnetic waves;    92.60.Ta  
propagation # structure, lattice dynamics, andsound    67.80.Cx  
propagation # wave    94.20.Bb  
propagation (including diffraction, scattering, and dispersion) # mechanical wave    46.40.Cd  
propagation and effects # interplanetary    96.40.Cd  
propagation and excitation # waves:    94.30.Tz  
propagation and interactions # wave    04.30.Nk  
propagation in atmosphere, see 42.68.Ay; see also 52.40.Db, 52.38.-r - in plasma physics) # wave propagation, transmission and absorption (see also 41.20.Jb - in electromagnetism; for    42.25.Bs  
propagation in random media # wave    42.25.Dd  
propagation in solids; thermal waves # nonelectronic thermal conduction and heat-pulse    66.70.+f  
propagation, absorption, and amplification of light # effects of atomic coherence on    42.50.Gy  
propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.) # nonlinear phenomena: waves, wave    52.35.Mw  
propagation, fracture, and crack healing # wave    83.60.Uv  
propagation, scattering, and losses; solitons   42.81.Dp  
propagation, transmission and absorption (see also 41.20.Jb - in electromagnetism; for propagation in atmosphere, see 42.68.Ay; see also 52.40.Db, 52.38.-r - in plasma physics) # wave    42.25.Bs  
propagation, transmission, attenuation, and radiative transfer   42.68.Ay  
propagation; radiowave propagation # electromagnetic wave    41.20.Jb  
proper motions and radial velocities (line-of-sight velocities); space motions   97.10.Wn  
properties # acoustic    91.60.Lj  
properties # acoustical    51.40.+p  
properties # acoustical    68.35.Iv  
properties # asymptotic problems and    11.10.Jj  
properties # biomolecules: structure and physical    87.15.-v  
properties # condensed matter: electonic structure, electrical , magnetic, and optical    70.  
properties # condensed matter: structural, mechanical and thermal    60.  
properties # currents and their    11.40.-q  
properties # dielectric    52.25.Mq  
properties # dielectrics, piezoelectrics, and ferroelectrics and their    77.  
properties # Earth's interior structure and    91.35.-x  
properties # electromagnetic processes and    13.40.-f  
properties # interactions between exterior sources and interior    91.25.Ey  
properties # low-dimensional, mesoscopic, and nanoscale systems: structure and nonelectronic    68.65.-k  
properties # magnetic    51.60.+a  
properties # magnetic and electric    91.60.Pn  
properties # mechanical    87.15.La  
properties # mechanical and acoustical    68.60.Bs  
properties # optical    91.60.Mk  
properties # optical and dielectric    51.70.+f  
properties # other nonelectronic physical    68.60.Wm  
properties # other topics in dielectrics, piezoelectrics, and ferroelectrics and their    77.90.+k  
properties # physicochemical    92.20.Mx  
properties # planetary, asteroid, cometary, and satellite characteristics and    96.35.-j  
properties # plasma    52.25.-b  
properties # stellar characteristics and    97.10.-q  
properties # thermal    67.80.Gb  
properties # thermal    91.60.Ki  
properties # thermodynamic    67.40.Kh  
properties # thermodynamic    67.55.Cx  
properties # thermodynamic    67.57.Bc  
properties # transport    52.25.Fi  
properties # transport    67.55.Hc  
properties # transport    67.57.Hi  
properties # treatment of materials and its effects on microstructure and    81.40.-z  
properties (abundances, electron density, magnetic fields, scintillation, scattering, kinematics, dynamics, turbulence, etc.) # physical    98.38.Am  
properties (abundances, electron density, magnetic fields, scintillation, scattering, kinematics, dynamics, turbulence, etc.) # physical    98.58.Ay  
properties (dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc.) # dynamic    75.40.Gb  
properties (helicity and invariant amplitudes, kinematic singularities, etc.) # kinematical    11.80.Cr  
properties (ionization, breakdown, electron and ion mobility, etc.) # electrical    51.50.+v  
properties (luminosity and mass functions; mass-to-light ratio; Tully - Fisher relation, etc.) # statistical and correlative studies of    98.62.Ve  
properties (multilayers) # interfacial magnetic    75.70.Cn  
properties (optical, structural) of molecules in zeolites # measurements and simulation of    82.75.Mj  
properties (order parameter, static susceptibility, heat capacities, critical exponents, etc.) # static    75.40.Cx  
properties (related to treatment conditions) # electrical and magnetic    81.40.Rs  
properties (related to treatment conditions) # optical and dielectric    81.40.Tv  
properties and interactions of atoms with photons # other topics in atomic    32.90.+a  
properties and interactions with photons # atomic    32.  
properties and interactions with photons # molecular    33.  
properties and interactions with photons # other topics in molecular    33.90.+h  
properties and materials # magnetic    75.  
properties and materials # other topics in magnetic    75.90.+w  
properties and nuclear magnetic resonance # magnetic    67.80.Jd  
properties near critical points, critical exponents # equilibrium    64.60.Fr  
properties of amorphous solids and glasses: heat capacity, thermal expansion, etc. # thermal    65.60.+a  
properties of atoms   32.10.-f  
properties of bulk materials and thin films # optical    78.20.-e  
properties of clusters # electronic and magnetic    36.40.Cg  
properties of clusters # optical    36.40.Vz  
properties of condensed matter # mechanical and acoustical    62.  
properties of condensed matter # other topics in mechanical and acoustical    62.90.+k  
properties of condensed matter # other topics in nonelectronictransport    66.90.+r  
properties of condensed matter # other topics in thermal    65.90.+i  
properties of condensed matter # thermal    65.  
properties of condensed matter (nonelectronic) # transport    66.  
properties of crystalline solids # thermal    65.40.-b  
properties of current algebras # formal    11.40.Ex  
properties of excitons; optical absorption spectra # intrinsic    71.35.Cc  
properties of external galaxies and extragalactic objects # characteristics and    98.62.-g  
properties of fission # general    24.75.+i  
properties of fluids # mechanical    47.17.+e  
properties of higher organisms   87.19.-j  
properties of liquids # acoustical    62.60.+v  
properties of liquids # mechanical    62.10.+s  
properties of liquids: heat capacity, thermal expansion, etc. # thermal    65.20.+w  
properties of magnetically ordered materials # intrinsic    75.30.-m  
properties of microemulsions # interfacial    68.05.Gh  
properties of molecules   33.15.-e  
properties of monolayers and thin films # magnetic    75.70.Ak  
properties of nanoscale materials # mechanical    62.25.+g  
properties of nanoscale materials and structures # optical    78.67.-n  
properties of nanostructures # magnetic    75.75.+a  
properties of nuclei; nuclear energy levels   21.10.-k  
properties of perturbation theory   11.25.Db  
properties of perturbation theory # general    11.15.Bt  
properties of polymers # physical    82.35.Lr  
properties of QCD (dynamics, confinement, etc.) # general    12.38.Aw  
properties of rocks and minerals # physical    91.60.-x  
properties of S matrix # analytic    11.55.Bq  
properties of sea water # optical    92.10.Pt  
properties of seawater # physical    92.10.Bf  
properties of small particles, nanocrystals, nanotubes # thermal    65.80.+n  
properties of solids # acoustical    62.65.+k  
properties of solids # mechanical    62.20.-x  
properties of solids and liquids # dielectric    77.22.-d  
properties of solutions; aggregation and crystallization of macromolecules   87.15.Nn  
properties of specific nuclei listed by mass ranges (an additional heading must be chosen with these entries, where the given mass number limits are, to some degree, arbitrary)   27.  
properties of specific particles   14.  
properties of specific thin films # optical    78.66.-w  
properties of surfaces # optical    78.68.+m  
properties of surfaces and interfaces; thin films and low-dimensional structures # other topics in structure, and nonelectronic    68.90.+g  
properties of surfaces, interfaces, thin films, and low-dimensional structures # electronic structure and electrical    73.  
properties of the high atmosphere # general    94.10.Bw  
properties of the Milky_Way galaxy # characteristics and    98.35.-a  
properties of thin films, nonelectronic # physical    68.60.-p  
properties of thin films, surfaces, and interfaces # magnetic    75.70.-i  
properties of tissues and organs # mechanical    87.19.Rr  
properties studied) # astronomical observations (additional primary heading(s) must be chosen with these entries to represent the astronomical objects and/or    95.85.-e  
properties) # surfaces and interfaces; thin films and low-dimensional systems (structure and nonelectronic    68.  
properties, condensed matter spectroscopy and other interactions of particles and radiation with condensed matter # other topics in optical    78.90.+t  
properties, condensed-matter spectroscopy and other interactions of radiation and particles with condensed matter # optical    78.  
properties, equations of state # thermodynamic    51.30.+i  
properties, structure, and representation of Lie groups # general    02.20.Qs  
properties; compressibility # mechanical    51.35.+a  
properties; reactions; polymerization # polymers:    82.35.-x  
properties; surface strains # mechanical    68.35.Gy  
properties;relaxation # time-dependent    61.20.Lc  
proportional, and avalanche counters # gas-filled counters: ionization chambers,    29.40.Cs  
propulsion # ion and plasma    52.75.Di  
propulsion and control devices # magnetic levitation,    85.70.Rp  
propulsion reactors   28.50.Ky  
protection # corrosion    81.65.Kn  
protection systems, safety, radiation monitoring, accidents, and dismantling   28.41.Te  
proteins   87.14.Ee  
proteins # motor    87.16.Nn  
proteins and other biological molecules # single molecule manipulation of    82.37.Rs  
protogalaxies; primordial galaxies   98.54.Kt  
proton emission # decay by    23.50.+z  
proton scattering # elastic    25.40.Cm  
proton scattering # inelastic    25.40.Ep  
proton) transfer in biological systems # charge (electron,    82.39.Jn  
proton, neutron, and heavier particle dosimetry: measurements   87.53.Qc  
proton, neutron, and heavier particle dosimetry: theory and algorithms   87.53.Pb  
protons and neutrons   14.20.Dh  
protoplanetary disks; exo-zodiacal dust # infrared excess; debris disks;    97.82.Jw  
protostars (T Tauri stars, Orion population, Herbig-Haro objects, Bok globules, bipolar outflows, cometary nebulae, etc.) # pre-main sequence objects, young stellar objects (YSO's) and    97.21.+a  
pseudopods, lamellipods, cilia, and flagella   87.16.Qp  
pseudopotential construction) # computational methodology (Brillouin zone sampling, iterative diagonalization,    71.15.Dx  
psi, Upsilon, and other quarkonia # decays of J/   13.20.Gd  
psi, upsilon, and other quarkonia # decays of J/   13.25.Gv  
psychological acoustics   43.66.+y  
psychophysics of vision, visual perception; binocular vision   42.66.Si  
publications # physics literature and    01.30.-y  
publications in electronic media   01.30.Xx  
publications of lectures (advanced institutes, summer schools, etc.)   01.30.Bb  
pulsars   97.60.Gb  
pulsations # magnetic    94.30.Ms  
pulsations, oscillations, and stellar seismology   97.10.Sj  
pulse and digital circuits   84.30.Sk  
pulse compression # ultrafast processes; optical pulse generation and    42.65.Re  
pulse generation and pulse compression # ultrafast processes; optical    42.65.Re  
pulse generators, and function generators # oscillators,    84.30.Ng  
pulse operation # relaxation oscillations and long    42.60.Rn  
pulse sequences for imaging   87.61.Cd  
pulse sequences in NMR   82.56.Jn  
pump probe experiments with bound states   82.53.Hn  
pump probe studies of photodissociation   82.53.Eb  
pumping # current-driven spin    72.25.Pn  
pumping # level crossing and optical    32.80.Bx  
pumping # level crossing and optical    33.80.Be  
pumps # heat engines; heat    07.20.Pe  
pumps # vacuum    07.30.Cy  
purification   81.20.Ym  
PV telescopii variables # RR Lyrae stars; RV Tauri and    97.30.Kn  
Pw in hydrospheric and atomospheric geophysics) # arcs; sparks; lightning; atmospheric electricity (see also 92.60.   52.80.Mg  
pyroelectric and electrocaloric effects   77.70.+a  
pyrolysis, dissociation, and fragmentation) # decomposition reactions (   82.30.Lp  
pyrometers # high-temperature instrumentation;    07.20.Ka  
PZT ceramics, etc. # niobates, titanates, tantalates,    77.84.Dy  
q and the 13. or 25. category appropriate to the light ions) # relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy ion collisions, should be classified under both 25.75.-   25.75.-q  
Q machines, double-plasma and triple-plasma devices, etc.) # thermionic and filament-based sources (e.g.,    52.75.Xx  
Q-switching   42.60.Gd  
Q-switching; 42.79.Ta optical computers, logic elements, interconnects, switches; neural networks) # optical bistability, multistability, and switching (see also 42.60.Gd    42.65.Pc  
QCD (dynamics, confinement, etc.) # general properties of    12.38.Aw  
QCD calculations # lattice    12.38.Gc  
QCD in nuclei and nuclear processes # quantum chromodynamics see also 24.85.+p quarks, gluons, and    12.38.-t  
QCD in nuclei and nuclear processes # quarks, gluons, and    24.85.+p  
quadrupole resonance   76.60.Gv  
quadrupoles # beam focusing and bending magnets, wiggler magnets, and    41.85.Lc  
quality and air pollution # air    92.60.Sz  
quality and water resources # water    92.40.Qk  
quality assurance equipment   87.56.Fc  
quality assurance in radiotherapy   87.53.Xd  
quality, noise, performance, and failure analysis # microcircuit    85.40.Qx  
quality: contrast, resolution, noise, etc. # image    87.57.Ce  
quantitative measurements and scanning   87.58.Vr  
quantities # entropy and other thermodynamical    65.40.Gr  
quantization # canonical    04.60.Ds  
quantization # covariant and sum-over-histories    04.60.Gw  
quantized fields # theory of    03.70.+k  
quantized spin models   75.10.Jm  
quantum acoustics, and physical effects of sound # ultrasonics,    43.35.+d  
quantum aspects of black holes, evaporation, thermodynamics   04.70.Dy  
quantum beats, photon echo, free-induction decay, dephasings and revivals, optical nutation, and self-induced transparency # optical transient phenomena:    42.50.Md  
quantum chaos") # semiclassical chaos ("   05.45.Mt  
quantum chromodynamics see also 24.85.+p quarks, gluons, and QCD in nuclei and nuclear processes   12.38.-t  
quantum communication   03.67.Hk  
quantum computation   03.67.Lx  
quantum condensation phenomena # phase coherent atomic ensembles;    03.75.Fi  
quantum cosmology # mathematical and relativistic aspects of cosmology;    98.80.Hw  
quantum cryptography   03.67.Dd  
quantum crystals # solid helium and related    67.80.-s  
quantum description of interaction of light and matter; related experiments   42.50.Ct  
quantum dots   68.65.Hb  
quantum dots   73.21.La  
quantum dots   78.67.Hc  
quantum dots   81.07.Ta  
quantum dots, quantum wires, etc.) # quantum well devices (   85.35.Be  
quantum effects in rate constants (tunneling, resonances, etc.)   82.20.Xr  
quantum effects on the structure and dynamics of nondegenerate fluids (e.g., normal phase liquid 4He)   67.20.+k  
quantum electrodynamic effects in atoms and molecules # relativistic and    31.30.Jv  
quantum electrodynamics   12.20.-m  
quantum ensemble theory   05.30.Ch  
quantum field theory in curved spacetime   04.62.+v  
quantum fluctuations, quantum noise, and quantum jumps   42.50.Lc  
quantum fluids and solids; liquid and solid helium   67.  
quantum fluids and solids; liquid and solid helium # other topics in    67.90.+z  
quantum gravity   04.60.-m  
quantum groups   02.20.Uw  
quantum Hall effects   73.43.-f  
quantum information   03.67.-a  
quantum interference devices   85.35.Ds  
quantum interference devices (SQUIDs) # superconducting    85.25.Dq  
quantum jumps # quantum fluctuations, quantum noise, and    42.50.Lc  
quantum mechanics   03.65.-w  
quantum mechanics, field theories, and special relativity   03.  
quantum mechanics; measurement theory # foundations of    03.65.Ta  
quantum Monte_Carlo methods   02.70.Ss  
quantum noise, and quantum jumps # quantum fluctuations,    42.50.Lc  
quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.) # entanglement and    03.65.Ud  
quantum optics   42.50.-p  
quantum phase transitions   73.43.Nq  
quantum phenomena in magnetic systems # macroscopic    75.45.+j  
quantum statistical mechanics   05.30.-d  
quantum statistical methods # decoherence; open systems;    03.65.Yz  
quantum statistical theory; ground state, elementary excitations   67.40.Db  
quantum systems; multi-photon processes; dynamic stark shift # strong-field excitation of optical transitions in    42.50.Hz  
quantum theory of reaction cross section   82.20.Ej  
quantum tomography # state reconstruction,    03.65.Wj  
quantum transport   05.60.Gg  
quantum tunneling of defects   66.35.+a  
quantum well devices (quantum dots, quantum wires, etc.)   85.35.Be  
quantum wells   68.65.Fg  
quantum wells   73.21.Fg  
quantum wells   78.67.De  
quantum wells   81.07.St  
quantum wells, mesoscopic, and nanoscale systems # electron states and collective excitations in multilayers,    73.21.-b  
quantum wires   68.65.La  
quantum wires   73.21.Hb  
quantum wires   78.67.Lt  
quantum wires   81.07.Vb  
quantum wires, etc.) # quantum well devices (quantum dots,    85.35.Be  
quantum Zeno dynamics # tunneling, traversal time,    03.65.Xp  
quark and lepton masses and mixing   12.15.Ff  
quark effective theory # heavy    12.39.Hg  
quark model # nonrelativistic    12.39.Jh  
quark model # relativistic    12.39.Ki  
quark models # phenomenological    12.39.-x  
quark-gluon plasma   12.38.Mh  
quarkonia # decays of J/psi, Upsilon, and other    13.20.Gd  
quarkonia # decays of J/psi, upsilon, and other    13.25.Gv  
quarkonia) # mesons with S=C=B=0, mass 2.5 GeV (including    14.40.Gx  
quarks   14.65.-q  
quarks # bottom    14.65.Fy  
quarks # charmed    14.65.Dw  
quarks # light    14.65.Bt  
quarks # top    14.65.Ha  
quarks, gluons, and QCD in nuclei and nuclear processes   24.85.+p  
quarks, gluons, and QCD in nuclei and nuclear processes # quantum chromodynamics see also 24.85.+p    12.38.-t