| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8200856 | Physics Letters B | 2006 | 6 Pages |
Abstract
We present an example of the quantum system with higher derivatives in the Lagrangian, which is ghost-free: the spectrum of the Hamiltonian is bounded from below and unitarity is preserved.
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Authors
A.V. Smilga,