Masahiro Sakurai

Masahiro Sakurai (1933–1982) was a Japanese-American theoretical physicist whose work centered on particle physics and symmetries. His influential textbooks include Modern Quantum Mechanics and Advanced Quantum Mechanics.

Connect

J. J. Sakurai: A Japanese-American theoretical physicist whose research and teaching shaped particle physics and quantum mechanics. His own name appears as J. J. Sakurai in scientific and textbook citations.
Modern Quantum Mechanics: A textbook by J. J. Sakurai presenting quantum mechanics through state vectors, operators, and symmetry. This widely used text made his pedagogical approach especially influential.
Symmetry in physics: The invariance of physical laws under transformations such as rotations, translations, or changes of phase. Sakurai used symmetry principles to organize particle properties and interactions.
Vector meson: A meson with intrinsic spin one, including particles such as the rho and omega mesons. Sakurai developed influential ideas about vector mesons and their interactions.
Julian Schwinger: An American theoretical physicist who developed quantum electrodynamics and shared the 1965 Nobel Prize in Physics. Sakurai studied with Schwinger at Harvard and drew on that theoretical tradition.
Advanced Quantum Mechanics: A graduate-level textbook by J. J. Sakurai on relativistic quantum theory and particle physics. It extends the methods he taught into quantum fields and particle physics.
Lie group: A group with a smooth manifold structure, used to represent continuous symmetries mathematically. Continuous symmetry groups provide mathematical tools for the particle theories Sakurai studied.
Vector meson dominance: A model in which photons interact with hadrons through intermediate vector mesons. This hypothesis is closely associated with Sakurai's particle-physics work.
University of Chicago: A private research university in Chicago, Illinois, founded in 1890. Sakurai held a faculty position there during his career.
Jim Napolitano: An American physicist and educator who revised and completed later editions of Sakurai's quantum mechanics textbook. Napolitano helped preserve and update Sakurai's teaching text after his death.