Journal
PHYSICAL REVIEW A
Volume 103, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.103.052427
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Funding
- NSF DMR [1508538]
- EPSRC
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1508538] Funding Source: National Science Foundation
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This article discusses how dephasing affects entanglement resources in adiabatic quantum transport and analyzes the failure of adiabatic computation as a dynamical phase transition.
Entanglement is the central resource in adiabatic quantum transport. Dephasing affects the availability of that resource by biasing trajectories, driving transitions between success and failure. This depletion of entanglement is important for the practical implementation of quantum technologies. We present an alternative perspective on the failure of adiabatic computation by understanding the failure of adiabatic transport as a dynamical phase transition. These ideas are demonstrated in a toy model of adiabatic quantum transport in a two-spin system.
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