theoretical physics
branch of physics concerned with formulating theory rather than performing experiments
string theory
physical theory of quantized one-dimensional objects with conformal symmetry, which can describe gravitation, gauge theory and other phenomena
mathematical physics
use of mathematics to solve physics problems
On the Method of Theoretical Physics
paper by Albert Einstein
quantum geometry
set of mathematical concepts propagating geometric concepts
field theory
physical theory describing fields
theoretical astrophysics
branch of physics