Abstract
Feynman's approximation is applied to a symmetrical, exactly soluble polaron model. This approximation is very accurate and its largest error occurs for "intermediate coupling". Two other theories are shown to be much less accurate.
Original language | English |
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Pages (from-to) | 196-198 |
Number of pages | 3 |
Journal | Physics Letters |
Volume | 23 |
Issue number | 3 |
DOIs | |
State | Published - 17 Oct 1966 |
Externally published | Yes |