Resolution of the Runaway Problem for the Polaron
- 25 October 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 174 (5), 1555-1558
- https://doi.org/10.1103/PhysRev.174.1555
Abstract
Runaway modes are shown to result from the standard application of the dipole approximation to the polaron Hamiltonian. These modes do not occur if the Hamiltonian is renormalized before making the approximation.Keywords
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