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Open Quantum Systems Decoherence
Decoherence of a Single Qubit from Quantum Anomaly
arXiv
Authors: W. F. Chen, R. Kobes, G. Kunstatter
Year
2007
Paper ID
49672
Status
Preprint
Abstract Read
~2 min
Abstract Words
66
Citations
N/A
Abstract
We show via an explicit example that quantum anomalies can lead to decoherence of a single quantum qubit through phase relaxation. The anomaly causes the Hamiltonian to develop a non-self-adjoint piece due to the non-invariance of the domain of the Hamiltonian under symmetry transformation. The resulting decoherence originates completely from the dynamics of the system itself and not, as usually considered, from interactions with the environment.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2007 reference point for readers tracking recent quantum research.
- We show via an explicit example that quantum anomalies can lead to decoherence of a single quantum qubit through phase relaxation.
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