RELATIVISTIC POSITION OPERATOR FOR FREE PARTICLES

[1] CANONICAL FORM OF COVARIANT FREE-PARTICLE EQUATIONS [J]. JOURNAL OF MATHEMATICAL PHYSICS, 1963, 4 (10) : 1215 - &

[2] ON THE DIRAC THEORY OF SPIN 1/2 PARTICLES AND ITS NON-RELATIVISTIC LIMIT [J]. PHYSICAL REVIEW, 1950, 78 (01): : 29 - 36

[3] MOLLER C, 1955, THEORY RELATIVITY

[4] LOCALIZED STATES FOR ELEMENTARY SYSTEMS [J]. REVIEWS OF MODERN PHYSICS, 1949, 21 (03) : 400 - 406

[5] THE MASS-CENTRE IN THE RESTRICTED THEORY OF RELATIVITY AND ITS CONNEXION WITH THE QUANTUM THEORY OF ELEMENTARY PARTICLES [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1948, 195 (1040): : 62 - 81

[6] Rose ME., 1961, RELATIVISTIC ELECT T

[7] SHIROKOV IM, 1959, SOV PHYS JETP-USSR, V8, P703

[8] SYNGE JL, 1956, SPECIAL RELATIVITY

[1] CANONICAL FORM OF COVARIANT FREE-PARTICLE EQUATIONS [J]. JOURNAL OF MATHEMATICAL PHYSICS, 1963, 4 (10) : 1215 - &

[2] ON THE DIRAC THEORY OF SPIN 1/2 PARTICLES AND ITS NON-RELATIVISTIC LIMIT [J]. PHYSICAL REVIEW, 1950, 78 (01): : 29 - 36

[3] MOLLER C, 1955, THEORY RELATIVITY

[4] LOCALIZED STATES FOR ELEMENTARY SYSTEMS [J]. REVIEWS OF MODERN PHYSICS, 1949, 21 (03) : 400 - 406

[5] THE MASS-CENTRE IN THE RESTRICTED THEORY OF RELATIVITY AND ITS CONNEXION WITH THE QUANTUM THEORY OF ELEMENTARY PARTICLES [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1948, 195 (1040): : 62 - 81

[6] Rose ME., 1961, RELATIVISTIC ELECT T

[7] SHIROKOV IM, 1959, SOV PHYS JETP-USSR, V8, P703

[8] SYNGE JL, 1956, SPECIAL RELATIVITY