Oppenheimer, Julius Robert

Ohm, Georg Simon 78a Oppenheimer, Julius Robert I35n... 

Oppenheimer Julius Robert, 270 Opik Uno, 885, 902 Orville-Thomas... 

Julius Robert Oppenheimer lau iao ), American physicist and professor at the University of California in Berkeley, the California Institute of Technology in Pasadena, and the Institute for Advanced Study in Princeton. From 1943 to 1945, Oppenheimer headed the Manhattan Project (atomic bomb). 

Later, at the University of California in Berkeley, and by the order of Julius Robert Oppenheimer (1904-1967) he prepared plutonium in sufficient quantity for experiments within the framework of the Manhattan Project to build the first atomic bomb in Los Alamos, New Mexico. 

An adiabatic approximation used in molecular and solid-state physics in which the motion of atomic nuclei is taken to be so much slower than the motion of electrons that, when calculating the motions of electrons, the nuclei can be taken to be in fixed positions. This approximation was justified using perturbation theory by Max Born and the US physicist Julius Robert Oppenheimer (1904-67) in 1927. 

A fundamental approximation (called the Born-Oppenheimer approximation) was introduced in a paper called Zur Quantentheorie der Molekeln by Max Born and Julius Robert Oppenheimer in 457 (1927). 

---