- In
mathematics and physics, a non-perturbative
function or
process is one that
cannot be
described by
perturbation theory. An
example is the
function f...
- a
numerical coefficient appearing in loop
quantum gravity (LQG), a
nonperturbative theory of
quantum gravity. The
Immirzi parameter measures the size...
-
shows that this
formalism is
flexible enough to deal with
phenomena of
nonperturbative characters ... Some
modification of the
Feynman rules of calculation...
-
Asymptotic safety (sometimes also
referred to as
nonperturbative renormalizability) is a
concept in
quantum field theory which aims at
finding a consistent...
-
Zongan Qiu, and others) The
nonperturbative formulation of
matrix models of low-dimensional
string theory, the
first nonperturbative definitions of
string theory...
- of any
finite number of
Feynman diagrams and
hence is
described as
nonperturbative. Mathematically, it can be
derived by a
semiclassical approximation...
-
structure is
still missing because ... long-distance
behavior requires a
nonperturbative and/or
numerical treatment ..." More
conceptual approaches to the structure...
-
Scientific career Fields Theoretical physics,
String theory Thesis Nonperturbative Formulations of
Superstring Theory (2001)
Doctoral advisor Tom Banks...
-
saddle point of the Yang–Mills
field equations.
Sphalerons are used in
nonperturbative calculations of non-tunneling rates. Instantons, a
field configuration...
- 't Hooft, G.; Jaffe, A.; Mack, G.; Mitter, P. K.; Stora, R. (eds.).
Nonperturbative Quantum Field Theory.
Plenum Publishing Corporation. pp. 521–528....