On the Observability of Meso- and Macro-scopic Quantum Coherence of Domain Walls in Magnetic Insulators

Details On the Observability of Meso- and Macro-scopic Quantum Coherence of Domain Walls in Magnetic Insulators On the Observability of Meso- and Macro-scopic Quantum Coherence of Domain Walls in Magnetic Insulators

1993-10-06

arxiv.org/abs/cond-mat/9310011v1

Physics

Condensed Matter

15 pages, Plain LaTex, UBC TP-93-19

Scientific paper

10.1088/0953-8984/6/37/011

Results are presented of a numerical calculation of the tunneling gap for a domain wall moving in the double well potential of a pair of voids in a magnetic insulator. Both symmetric and asymmetric double well potentials are considered. It is found that, even in the absence of dissipation, the prospects for observing quantum coherence on a meso- or macro-scopic scale appears unlikely.

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