What is Dirac?

  • (noun): English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
    Synonyms: Paul Adrien Maurice Dirac

Some articles on dirac:

Spacetime Algebra Description of Relativistic Physics - Relativistic Quantum Mechanics
... Spacetime algebra allows to describe the Dirac particle in terms of a real theory in place of a matrix theory ... The matrix theory description of the Dirac particle is where are the Dirac matrices ... In the spacetime algebra the Dirac particle is described by the equation Here, and are elements of the geometric algebra, and is the spacetime vector ...
Mathematical Descriptions Of The Electromagnetic Field - Potential Field Approach - Extension To Quantum Electrodynamics
... interaction of electromagnetic fields with the Dirac electron given by the four-component Dirac spinor field ψ, the current and charge densities have form where ...
Dirac (software)
... Dirac (named after Paul Dirac) is a relativistic ab initio quantum chemistry program ... Molecular Direct Iterative Relativistic All-electron Calculations", in short PAM Dirac ... Dirac is one of the most successful general-purpose quantum chemistry packages that provides accurate description of relativistic effects in molecules, using the Dirac equation as ...
List Of Humorous Units Of Measurement - Non-conventional - Information Flow: Dirac
... Physicist Paul Dirac was known among his colleagues for his precise yet taciturn nature ... His colleagues in Cambridge jokingly defined a unit of a dirac which was one word per hour ...
Foldy–Wouthuysen Transformation - Foldy-Wouthuysen Transformation of The Dirac Hamiltonian For A Free Fermion
... This transformation is of particular interest when applied to the free-fermion Dirac Hamiltonian operator in bi-unitary fashion, in the form (3) Using the commutativity properties of ...