The index of physics articles is split into multiple pages due to its size.
To navigate by individual letter use the table of contents below.
P
P-adic quantum mechanicsfpa P-factor P-form electrodynamics P-nuclei P-process P-type semiconductor P-wave P-wave modulus P. Buford Price P3M PACER (fusion) PANDA experiment PAR thrust PEPS effect PETRA PGM-19 Jupiter PHENIX PHOBOS experiment PHOSFOS PICASSO PIND PITZ PLATYPUS PLUTO reactor PM3 (chemistry) POLYGON experiment POVM PQS (chemical) PS210 experiment PSR B1828-10 PSR B1913+16 PSR J0737-3039 PSR J1614–2230 PUREX PVLAS PVT (physics) PWscf PYTHIA Padma Kant Shukla Padre Bancalari Painlevé paradox Pair-instability supernova Pair annihilation Pair distribution function Pair potential Pair production Pake doublet Pakistan Institute of Nuclear Science and Technology Pakistan Physics Society Panayotis Varotsos Pandemonium effect Panemone windmill Panofsky Prize Pantur Silaban Paolo Casati Papaloizou–Pringle instability Papapetrou–Dixon equations Papkovich–Neuber solution Parabolic trajectory Parabolic trough Parachor Paracrystalline Paraelectricity Parafoil Paraformer Parallax barrier Parallel Worlds (book) Parallel axis theorem Parallelogram of force Paramagnetism Parameterized post-Newtonian formalism Parametric array Parametric oscillator Parametric resonance Parasitic drag Parastatistics Parawing Paraxial approximation Parfocal lens Parhelic circle Paris' law Pariser–Parr–Pople method Parity (physics) Parity anomaly Parker Variable Wing Parker spiral Parney Albright Parry arc Parry–Daniels map Parson magneton Partial pressure Partial wave analysis Particle Particle-in-cell Particle-induced X-ray emission Particle-size analysis Particle-size distribution Particle (disambiguation) Particle Data Group Particle acceleration Particle accelerator Particle aggregation Particle astrophysics Particle beam Particle counter Particle decay Particle detector Particle displacement Particle experiments at Kolar Gold Fields Particle horizon Particle identification Particle image velocimetry Particle in a box Particle in a one-dimensional lattice Particle in a ring Particle in a spherically symmetric potential Particle number Particle number operator Particle physics Particle physics and representation theory Particle physics in cosmology Particle radiation Particle segregation Particle shower Particle size Particle size (general) Particle statistics Particle tracking velocimetry Particle velocity Particle velocity level Particle zoo Particulates Partition function (quantum field theory) Partition function (statistical mechanics) Parton (particle physics) Parton distribution function Parvez Butt Parviz Moin Pascal's barrel Pascal's law Pascal (unit) Paschen's law Paschen series Paschen–Back effect Pascual Jordan Pasotron Passive Underwater Fire Control Feasibility System Passive radiator Patch dynamics (physics) Path-ordering Path integral Monte Carlo Path integral formulation Path integral molecular dynamics Pati–Salam model Patricia Lewis (physicist) Patrick Blackett, Baron Blackett Patrick N. Keating Patrick Tabeling Patrick d'Arcy Patterson function Paul-Quentin Desains Paul A. Fleury Paul Alfred Biefeld Paul Auguste Ernest Laugier Paul Callaghan Paul Chaikin Paul Chun (professor) Paul Corkum Paul Davies Paul Dirac Paul Drude Paul E. Klopsteg Paul Ehrenfest Paul Erman Paul Fillunger Paul Flory Paul Frampton Paul G. Hewitt Paul G. Richards Paul Garabedian Paul Gerber Paul Ginsparg Paul Halpern Paul Harteck Paul Horowitz Paul John Ellis Paul Kunz Paul Langevin Paul Lauterbur Paul M. Doty Paul Mackenzie Paul McEuen Paul Moskowitz Paul Neményi Paul O. Müller Paul Painlevé Paul Palmer (physicist) Paul Peter Ewald Paul Richard Heinrich Blasius Paul Rudolph (physicist) Paul Scherrer Paul Scherrer Institute Paul Sophus Epstein Paul Steinhardt Paul Taunton Matthews Paul Townsend Paul Ulrich Villard Paul Weiss (nanoscientist) Pauli equation Pauli exclusion principle Pauli group Pauli matrices Pauline Morrow Austin Pauli–Villars regularization Pavel Cherenkov Pavel Jelínek Pavel Petrovich Parenago Pavle Savić Pawsey Medal Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics Peak expiratory flow Peak kilovoltage Peak signal-to-noise ratio Peakon Pearl vortex Peccei–Quinn theory Peculiar motion Peculiar velocity Peder Oluf Pedersen Pedro Paulet Peierls bracket Peixoto's theorem Pelindaba Pelletron Pencil (optics) Pendulum Pendulum day Pendulum rocket fallacy Peng Huanwu Penguin diagram Penning mixture Penning trap Penrose criterion Penrose diagram Penrose graphical notation Penrose interpretation Penrose process Penrose transform Penrose–Hawking singularity theorems Pentamirror Pentaprism Pentaquark Per-Olov Löwdin Per Arne Rikvold Per Bak Per Carlqvist Percentage of the speed of light Percolation Percolation critical exponents Percolation theory Percolation threshold Percus–Yevick approximation Percy Williams Bridgman Peregrine soliton Perfect Cosmological Principle Perfect conductor Perfect fluid Perfect gas Perfect lens Perfect mirror Perfectly Reasonable Deviations from the Beaten Track Perhapsatron Perifocal coordinate system Perigean spring tide Perimeter Institute for Theoretical Physics Period-doubling bifurcation Period 9 element Periodic poling Periodic table Periodicity (metamaterials) Periodogram Perley Ason Ross Perley G. Nutting Perlin noise Permeability (electromagnetism) Permeability constant Permeameter Permeance Permeation Permittivity Perovskite (structure) Perpendicular axis theorem Perpetual motion Perpetual motion machine Perrin friction factors Persis Drell Persistence length Person-rem/year Perturbation theory Perturbation theory (quantum mechanics) Perturbative QCD Perveance Pervez Hoodbhoy Peskin–Takeuchi parameter Peter A. Sturrock Peter A. Wolff Peter Armbruster Peter B. Lyons Peter Barham Peter Bergmann Peter C. Aichelburg Peter Coles Peter Collinson (botanist) Peter Coveney Peter D. Jarvis Peter Debye Peter Demos Peter Dollond Peter Edwards (chemist) Peter Fowler (physicist) Peter Franken Peter Freund Peter Galison Peter Goddard (physicist) Peter Goldreich Peter Grünberg Peter Guthrie Tait Peter Haynes (mathematician) Peter Herbert Jensen Peter Heszler Peter Higgs Peter Hirsch (metallurgist) Peter Huybers Peter Hänggi Peter Knight (scientist) Peter Kramer (physicist) Peter Lax Peter Littlewood Peter Lu Peter Mansfield Peter Mazur Peter Pershan Peter Smith (physicist) Peter Stilbs Peter Thejll Peter V. E. McClintock Peter Wadhams Peter Westervelt Peter Woit Peter Zimmerman Peter Zoller Peter van Nieuwenhuizen Petr Beckmann Petr Hořava (theorist) Petr Paucek Petr Vaníček Petrophysics Petrov classification Petrus Peregrinus de Maricourt Petzval field curvature Pfeiffer Effect Pfund series Phantom energy Phase-coherent holography Phase-contrast imaging Phase (matter) Phase (waves) Phase Noise Phase compensation Phase contrast microscope Phase contrast microscopy Phase distortion Phase factor Phase noise Phase offset modulation Phase plane Phase portrait Phase problem Phase retrieval Phase space Phase space formulation Phase switch Phase transition Phase velocities Phase velocity Phased-array optics Phased array Phased array ultrasonics Phenomenology (particle physics) Phi meson Phil Williams (Welsh politician) Philip Abelson Philip Beckley Philip Burton Moon Philip Dee Philip J. Dolan Philip J. Morrison Philip L. Roe Philip M. Morse Philip Morrison Philip Russell (physicist) Philip Saffman Philip Warren Anderson Philipp Carl Philipp Lenard Philipp von Jolly Philippe Guyot-Sionnest Philippe Nozières Philippine Nuclear Research Institute Philo of Byzantium Philolaus Philosophical Magazine Philosophical Transactions of the Royal Society A Philosophical interpretation of classical physics Philosophiæ Naturalis Principia Mathematica Philosophy of physics Philosophy of space and time Philosophy of thermal and statistical physics Phobos (experiment) Phon Phonomotor Phonon Phonon drag Phonon noise Phononic crystal Phosphor Phosphor thermometry Phosphorescence Phosphoroscope Phoswich detector Phot Phot. Nano. Fund. Appl. Phot Nano Fund Appl Photo-Carnot engine Photo-Dember Photobleaching Photochromic lens Photoconduction Photoconductive atomic force microscopy Photoconductivity Photodetector Photodisintegration Photodissociation Photoelastic modulator Photoelasticity Photoelectric effect Photoelectric efficiency Photoelectric sensor Photoelectrochemical processes Photoemission spectroscopy Photoexcitation Photofission Photographic lens design Photographic magnitude Photographic plate Photoinduced charge separation Photoinduced phase transitions Photoionisation Photoionisation cross section Photolithography Photoluminescence Photomagnetic effect Photomagnetism Photomagneton Photometer Photometric redshift Photometry (optics) Photomixing Photomultiplier Photon Photon-in-photon-out Photon-intermediate direct energy conversion Photon Doppler velocimetry Photon Factory Photon diffusion Photon entanglement Photon epoch Photon gas Photon induced electric field poling Photon noise Photon polarization Photon sphere Photonic-crystal fiber Photonic crystal Photonic integrated circuit Photonic metamaterial Photonics Photonics Letters of Poland Photonics Society of Poland Photonics and Nanostructures Photonics and Nanostructures: Fundamentals and Applications Photophoresis Photorefractive effect Photoresist Photosensitive glass Photosensitizer Photothermal effect Photothermal optical microscopy Photothermal spectroscopy Photovoltaic effect Photovoltaics Phugoid Phun Phyllis S. Freier Phys.Org Physica (journal) Physica A Physica B Physica C Physica D Physica E Physica Scripta Physica Status Solidi Physica Status Solidi A Physica Status Solidi B Physica Status Solidi C Physica Status Solidi RRL Physical Biology Physical Chemistry Chemical Physics Physical Review Physical Review A Physical Review A: General Physics Physical Review E Physical Review Focus Physical Review Letters Physical Science Study Committee Physical Society of Japan Physical Society of London Physical acoustics Physical body Physical constant Physical cosmology Physical geodesy Physical law Physical objects Physical optics Physical paradox Physical phenomenon Physical property Physical quantity Physical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics Physical strength Physical substance Physical system Physical theories modified by general relativity Physicist Physicist and Christian Physics PhysicsWeb Physics (American Physical Society journal) Physics Abstracts Physics Abstracts. Science Abstracts. Series A Physics Abstracts - Series A Physics Abstracts - Series A: Science Abstracts Physics Abstracts Series A Physics Analysis Workstation Physics Education Physics Letters Physics Letters A Physics Letters B Physics Reports Physics Today Physics and Astronomy Classification Scheme Physics and Chemistry of Liquids Physics and Chemistry of Minerals Physics and Star Trek Physics and engineering explorations Physics beyond the Standard Model Physics education Physics envy Physics equations Physics in Medicine and Biology Physics in medieval Islam Physics of Fluids Physics of Life Reviews Physics of Plasmas Physics of computation Physics of firearms Physics of glass Physics of skiing Physics of the Impossible Physics of the Solid State Physics Today Physikalisch-Technische Bundesanstalt Physikalische Blätter Physikalische Zeitschrift Pi Josephson junction Piara Singh Gill Picard horn Picarin Picotechnology Picture (string theory) Piermaria Oddone Piero Giorgio Bordoni Pierre-Gilles de Gennes Pierre-Michel Duffieux Pierre-Simon Laplace Pierre Aigrain Pierre Angénieux Pierre Auger Observatory Pierre Bertholon de Saint-Lazare Pierre Bouguer Pierre Curie Pierre Goldschmidt Pierre Henri Hugoniot Pierre Hohenberg Pierre Louis Dulong Pierre Louis Maupertuis Pierre Perrault (scientist) Pierre Polinière Pierre Prévost Pierre Ramond