Quantum State Restoration and Single-Copy Tomography for Ground States of Hamiltonians

Given a single copy of an unknown quantum state, the no-cloning theorem limits the amount of information that can be extracted from it. Given a gapped Hamiltonian, in most situations it is impractical to compute properties of its ground state, even though in principle all the information about the g...

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Bibliographic Details
Main Authors: Farhi, Edward, Gosset, David Nicholas, Hassidim, Avinatan, Lutomirski, Andrew Michael, Nagaj, Daniel, Shor, Peter W.
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics
Format: Article
Language:en_US
Published: American Physical Society 2011
Online Access:http://hdl.handle.net/1721.1/64438
https://orcid.org/0000-0002-7309-8489
https://orcid.org/0000-0003-4626-5648

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