| L~ (defined in notations of fundamental concepts in physics) |
| Lagrange's equations |
| Lagrangian (defined in Lagrange's equations) |
| Lagrangian derivative |
| Lagrangian function (defined in Lagrange's equations) |
| \lambda (defined in notations of fundamental concepts in physics) |
| \lambda~ (defined in automaton) |
| lamellar field |
| lamellar field, examples of |
| Landau symmetry-breaking (defined in Quantum topological order and extended quantum symmetries) |
| Laplace equation in cylindrical coordinates |
| Laplace equations (defined in spectroscopy topics) |
| Laplace operator (=Laplacian) |
| Laplace transform (defined in table of Laplace transforms) |
| Laplace transform of Dirac's delta distribution |
| Laplacian |
| Laplacian in Cartesian Coordinates |
| Laplacian in Cylindrical Coordinates |
| Laplacian in Spherical Coordinates |
| large category (defined in category) |
| large hadron collider |
| large hydron supercollider (defined in large hadron collider) |
| Larmor precession (defined in nuclear magnetic resonance principles) |
| Larmor precession frequency (defined in nuclear magnetic resonance principles) |
| laser-produced plasma (defined in X-ray microscope) |
| lattice-based computation (defined in topic on computational physics) |
| law of refraction (=Snell's law) |
| law of Wiedemann and Franz (defined in conduction) |
| LCG (defined in Baum-Connes conjecture) |
| LC-GR (defined in developments of relativity theories) |
| L-CQG (=locally compact quantum group) |
| Lebesgue measure (defined in probability distribution functions in physics) |
| left $H$-coaction (defined in Yetter-Drinfel'd module) |
| left Yetter-Drinfel'd module (defined in Yetter-Drinfel'd module) |
| Legendre polynomials |
| lepton |
| LHC (defined in large hadron collider) |
| Lie algebra (defined in Lie algebras) |
| Lie Algebra (defined in quantum symmetry) |
| Lie algebra in quantum theory (defined in quantum harmonic oscillator and Lie algebra) |
| Lie algebras |
| Lie algebroid (defined in Lie algebroids) |
| Lie algebroid (defined in algebraic topology) |
| Lie algebroids |
| Lie group (defined in Lie algebras) |
| Lie group (defined in quantum symmetry) |
| Lie groupoid (defined in Lie algebroids) |
| Lie groupoid (defined in algebraic topology) |
| Lie's geometric approach (defined in time-dependent harmonic oscillators) |
| Lie superalgebras (defined in superspace and supergravity) |
| lifting (defined in Table of categories and functor properties) |
| light velocity in vacuum (defined in notations of fundamental concepts in physics) |
| limit of space-times (defined in index of differential geometry) |
| linear least squares, example of |
| linear operator (defined in quantum operator concept) |
| linear proposition (defined in differential propositional calculus) |
| linewidth of the resonance (defined in resonance) |
| linking control summary |
| Linux (defined in topic on computational physics) |
| liquid $^4$He (defined in superfluid) |
| list of improper integrals (=improper integral examples) |
| List of notable algebraic topologists and category theoreticians |
| $LM_n$-logic algebra (defined in algebraic category of LMn -logic algebras) |
| LMn -logic algebra (defined in algebraic category of LMn -logic algebras) |
| local coordinate system (defined in Functorial Algebraic Geometry and Physics) |
| local interactions (defined in Axioms of Physics) |
| local interactions (defined in Fundamental physical concepts) |
| locally compact dynamical system (defined in groupoid C*-dynamical system) |
| locally compact dynamical system with Haar measure (defined in groupoid C*-dynamical system) |
| locally compact dynamical system with Haar measure (=groupoid C*-dynamical system) |
| locally compact groupoid |
| locally compact Hausdorff spaces |
| locally compact quantum group |
| locally compact quantum group (defined in quantum groups and von Neumann algebras) |
| locally compact quantum groupoid (defined in uniform continuity over locally compact quantum groupoids) |
| local net map (defined in algebraic quantum field theories (AQFT)) |
| local quantum physics (defined in algebraic quantum field theories (AQFT)) |
| Local Quantum Physics (=algebraic quantum field theories (AQFT)) |
| local quantum physics (defined in Mathematical structure of physical theories) |
| Local Quantum Physics (defined in Axioms of Physics) |
| Local Quantum Physics (defined in Fundamental physical concepts) |
| local quantum state space (defined in operator algebra and complex representation theorems) |
| local ring (defined in Functorial Algebraic Geometry and Physics) |
| logical transformation (defined in differential propositional calculus) |
| Logic duality (defined in duality and triality) |
| London dispersion forces (defined in spectroscopy topics) |
| London equation (defined in superconductivity) |
| London penetration depth (defined in superconductivity) |
| longitudinal wave (defined in wave equations) |
| Long March across the Theory of Galois |
| long-range anisotropic dipole-dipole interactions (defined in bibliography for theoretical physics) |
| long-range correlations (defined in Quantum topological order and extended quantum symmetries) |
| long-range coupling (defined in Quantum topological order and extended quantum symmetries) |
| long-range coupling (defined in superfluid) |
| loop example of Biot-Savart law |
| loop quantum gravity (=quantum geometry) |
| Lorentz force (=Lorentz force law) |
| Lorentz force law |
| Lorentz group of transformations (defined in Axioms of Physics) |
| Lorentz group of transformations (defined in Fundamental physical concepts) |
| Lorentzian (defined in probability distribution functions in physics) |
| Lorentzian lineshape (defined in probability distribution functions in physics) |
| Lorentz transformations (defined in Axioms of Physics) |
| Lorentz transformations (defined in Fundamental physical concepts) |
| low-dimensional atomic gases (defined in bibliography for theoretical physics) |
| low temperature superconductors (defined in superconductivity) |
| LQED (defined in topic on computational physics) |
| LQFT (defined in topic on computational physics) |
| LQG (defined in topic on computational physics) |
| LQG (defined in topic on computational physics) |
| LQG (defined in developments of relativity theories) |
| LT (defined in table of Laplace transforms) |
| LT (=table of Laplace transforms) |
| \Lukasiewicz-Moisil n-valued logic algebras (=algebraic category of LMn -logic algebras) |