Rotational tunnelling and Kramers degeneracy
- 6 March 1989
- journal article
- editorial
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 1 (9) , 1673-1675
- https://doi.org/10.1088/0953-8984/1/9/012
Abstract
The E-symmetric states of rotational tunnelling systems are shown to exhibit Kramers degeneracy; the author demonstrates how the corresponding time-reversal symmetry could be broken by a more general coupling to phonons. The physical relevance of this is discussed and the author comments on a paper by Clough (see New Sci., vol.117, p.37, 1988).Keywords
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