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In physics, the S-matrix or scattering matrix is a matrix that relates the initial state and the final state of a physical system undergoing a scattering process. It is used in quantum mechanics, scattering theory and quantum field theory (QFT).
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| S-matrix | is a | evolution operator between t | 0.90 | text |
| S-matrix | is a | operator mapping free particle in-states to free particle out-states | 0.90 | text |
| S-matrix | is a | unitary matrix | 0.90 | text |
| S-matrix | is a | Dyson series | 0.90 | text |
| S-matrix | related to Dyson series | The | 0.60 | section |
| S-matrix | related to Dyson series | Dyson | 0.60 | section |
| S-matrix | related to Dyson series | This | 0.60 | section |
| S-matrix | related to Dyson series | Hamiltonian | 0.60 | section |
| S-matrix | related to history | The | 0.60 | section |
| S-matrix | related to history | Paul Dirac's | 0.60 | section |
| S-matrix | related to history | Quantenmechanik | 0.60 | section |
| S-matrix | related to history | Stoßvorgänge | 0.60 | section |
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