We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Giant enhancement of quantum decoherence by frustrated environments.
- Authors
Yuan, S.; Katsnelson, M. I.; De Raedt, H.
- Abstract
Decoherence in a system of two antiferromagnetically coupled spins that interact with a spin bath environment is studied. Systems are considered that range from the rotationally invariant to highly anisotropic spin models and have different topologies and values of parameters that are fixed or are allowed to fluctuate randomly. We explore the conditions under which the two-spin system clearly shows an evolution from the initial spin-up-spin-down state towards the maximally entangled singlet state. We demonstrate that frustration and, especially, glassiness of the spin environment strongly enhances the decoherence of the two-spin system.
- Subjects
QUANTUM theory; FERROMAGNETISM; ANISOTROPY; SPIN labels; FORCE &; energy; THERMODYNAMICS
- Publication
JETP Letters, 2006, Vol 84, Issue 2, p99
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364006140128