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 adj. Beyond the scope of perturbation theory
Etymologies
Examples

Just to be clear, the 8+ years I mentioned is what I often see for people working on nonstring formal particle theory topics such as nonperturbative QCD (e.g. SchwingerDyson equations and that kind of stuff).

“Just to be clear, the 8+ years I mentioned is what I often see for people working on nonstring formal particle theory topics such as nonperturbative QCD (e.g. SchwingerDyson equations and that kind of stuff).”

Mark wrote: However, baryon number is violated at the quantum level through nonperturbative processes  it is an anomalous symmetry.

However, baryon number is violated at the quantum level through nonperturbative processes  it is an anomalous symmetry.

I presume this is what you mean in the nonperturbative analogy CV page about losing potential energy information with the simple HO

As I discussed in my post on this, the usual way people think about electroweak baryogenesis is that baryon number violating processes (occurring through nonperturbative field configurations known as sphalerons) take place during the electroweak phase transition.

My post on anomalous baryon number violation in the standard model described the way in which nonperturbative effects allow for processes in which more baryons than antibaryons are produced.

Other: It's not nonperturbative quantization of diffeomorphisminvariant gauge theory.

In 199598 these incredible new nonperturbative tools were developed, and over the next few years many string theorists worked on the problem of applying them to less and less supersymmetric situations, culminating in the construction of stabilized vacua.

Perhaps there are asymmetric decays of heavy particles in your theory, or maybe a way to make nonperturbative baryon number violating transitions work.
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