nonperturbative effect
C19055
concept
A nonperturbative effect is a physical phenomenon that cannot be captured by any finite-order expansion in a small parameter (such as a coupling constant) and instead arises from intrinsically non-linear or exponentially suppressed contributions, like instantons or tunneling.
Observed surface forms (5)
- electronic correlation effect ×1
- many-body effect ×1
- non-perturbative object ×1
- non-perturbative solution ×1
- vacuum fluctuation effect ×1
Instances (5)
- Schwinger effect
- Coulomb gap via concept surface "many-body effect"
- Casimir effect via concept surface "vacuum fluctuation effect"
- M5-branes via concept surface "non-perturbative object"
- BPST instanton via concept surface "non-perturbative solution"