Unfrustrated qudit chains and their ground states

Unfrustrated qudit chains and their ground states

We investigate chains of d-dimensional quantum spins (qudits) on a line with generic nearest-neighbor interactions without translational invariance. We find the conditions under which these systems are not frustrated, that is, when the ground states are also the common ground states of all the local...

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Bibliographic Details
Main Authors: Movassagh, Ramis (Contributor), Farhi, Edward (Contributor), Goldstone, Jeffrey (Contributor), Nagaj, Daniel (Author), Osborne, Tobias J. (Author), Shor, Peter W. (Contributor)
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics (Contributor), Massachusetts Institute of Technology. Department of Mathematics (Contributor), Massachusetts Institute of Technology. Department of Physics (Contributor)
Format: Article
Language:English
Published: American Physical Society, 2011-01-14T13:36:08Z.
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