P


p~ (defined in notations of fundamental concepts in physics)
P_k] (defined in canonical commutation and anti-commutation relations: their representations)
$p-adic$ measure (defined in Nicolae Popescu)
Palade (defined in George Palade)
papilloma virus (defined in Fluorescence cross-correlation spectroscopy (FCCS))
papilloma virus detection (defined in Fluorescence cross-correlation spectroscopy (FCCS))
paracrystal scattering and diffraction (defined in Bessel functions: applications to diffraction by helical structures)
paragroups (=groupoids topic)
parameter
parameter-dependent family of groupoids (defined in variable groupoid)
parameter-dependent topology (=variable topology)
parametric operator
parity (defined in examples of constants of the motion)
partial differential equations (defined in differential equations)
partial function (defined in relation theory)
partial multiplication law (defined in category theory)
partial pressure (defined in Dalton's law)
particle accelerator (defined in large hadron collider)
particle physics (defined in High energy physics)
particle physics (=High energy physics)
particle scattering (defined in Atomic and nuclear structure)
partons (defined in gluons, quarks and QCD)
Pascal (defined in topic on computational physics)
path independence of work
Pauli exclusion principle
P-brane (defined in M-theory)
pdf (defined in probability distribution functions in physics)
PDP (defined in plasma)
penny falling from Empire State Building
periodic functions, examples of
PET (defined in Atomic and nuclear structure)
phase factor (defined in algebraic quantum field theories (AQFT))
phenomenological Bloch equations (defined in Felix Bloch)
\phi (defined in notations of fundamental concepts in physics)
phonons (defined in Quantum topological order and extended quantum symmetries)
phonons (defined in Quantum topological order and extended quantum symmetries)
photoelectric effect
physical axiom or postulate (defined in algebraic quantum field theories (AQFT))
physical law (defined in physical laws)
physical laws
physical mathematics (=mathematical physics)
physical mathematics (defined in fusion of theoretical physics with mathematics at IHES org)
physical mathematics (defined in topic on applied mathematical physics and physical mathematics)
Physical Meaning of Geometrical Propositions
physical Universe (defined in Universe)
physics applications (=applied physics)
physics area topics (defined in overview of the content of PlanetPhysics)
Physics axioms (defined in Fundamental physical concepts)
physics axioms (=Axioms of Physics)
physics axioms (defined in Axioms of Physics)
Physics news
piecewise linear (defined in geometrically defined double groupoid with connection)
pi-mesons (defined in gluons, quarks and QCD)
pions (defined in Elementary particles topic)
Planck's equation (defined in spectroscopy topics)
Planck's law (=Planck's radiation law)
Planck's radiation law
PlanetPhysics.org exchange with Wikipedia (defined in topic entry on Wikipedia physics & mathematics entries and exchange projects)
PlanetPhysics.org style guideline summary
plasma
plasma display panel (defined in plasma)
plasma electron (defined in non-linear electron excitation of plasma waves)
plasma heating (defined in plasma)
plasma ion temperature (defined in non-linear electron excitation of plasma waves)
plasma wave excitation (defined in non-linear electron excitation of plasma waves)
PM website on Wikipedia (defined in topic entry on Wikipedia physics & mathematics entries and exchange projects)
Poincare' conjecture (defined in geometrization conjecture and theorem)
Poincar\'e group (defined in algebraic quantum field theories (AQFT))
Poincare transformations group (defined in Axioms of Physics)
Poincare' transformations group (defined in Fundamental physical concepts)
point particle (defined in center of mass)
Poisson algebra (defined in Poisson ring)
Poisson distribution (defined in probability distribution functions in physics)
Poisson euations (defined in spectroscopy topics)
Poisson ring
Poisson transformation (defined in quantum symmetry)
polar coordinate motion example of generalized coordinates
polarizability (defined in spectroscopy topics)
Polarization (defined in spectroscopy topics)
Polish group
Polish group (defined in Borel G-space)
Polish G-space
Polish space with group structure (=Polish group)
Polish topology (defined in Borel G-space)
position
position vector
positive proposition (defined in differential propositional calculus)
positron annihilation (defined in Atomic and nuclear structure)
positron emission (defined in Atomic and nuclear structure)
potential of spherical shell
power
power function (defined in growth of exponential function)
Poynting vector (defined in spectroscopy topics)
preadditive functor
precise idea (=general definition)
predicate (=boolean-valued function)
Preface: An Elementary Treatise On Quaternions
Preface to the Second Edition: An Elementary Treatise On Quaternions
prefunction (defined in relation theory)
Preliminary definitions and general notions
preservation properties (defined in Table of categories and functor properties)
presheaf (defined in Functorial Algebraic Geometry and Physics)
principle of constancy of light speed (defined in physical laws)
Principle of Corresponding States (defined in physical laws)
Principle of Indetermination (=uncertainty by waves)
principle of minimum action (=Fermat's principle)
Principle of the communication of heat
principles of NIR spectroscopy
principles of quantum physics
principles of thermodynamics
probability distribution function (defined in probability distribution functions in physics)
probability distribution functions in physics
probability measure (defined in probability distribution functions in physics)
program (defined in supercomputers)
program (defined in computer)
program
programmed automaton (=computer)
programmed sequential machine (=computer)
programming (=topic on computer programming)
programming language (defined in program)
programming language (defined in topic on computational physics)
projected motion (defined in ballistics (2D))
projectile motion
projective object
proper generator in a Grothendieck category
proper generator theorem
properties of commutators (=commutator algebra)
proposition (=boolean-valued function)
proton accelerator (defined in Atomic and nuclear structure)
proton spin fine structure (defined in gluons, quarks and QCD)
\psi (defined in notations of fundamental concepts in physics)
PSS (defined in large hadron collider)
pure state (defined in algebraic quantum field theories (AQFT))
pushout (defined in Van Kampen Theorem for groups and groupoids)