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Open Quantum Systems Decoherence
The Entanglement Timescale
arXiv
Authors: I-Sheng Yang
Year
2017
Paper ID
44550
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
We derive the timescale for two initially pure subsystems to become entangled with each other through an arbitrary Hamiltonian that couples them. The entanglement timescale is inversely proportional to the "correlated uncertainty" between the two subsystems, a quantity which we will define and analyze in this paper. Our result is still applicable when one of the subsystems started in an arbitrarily mixed state, thus it generalizes the well-known "decoherence timescale" while coupled to a thermal state.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2017 reference point for readers tracking recent quantum research.
- We derive the timescale for two initially pure subsystems to become entangled with each other through an arbitrary Hamiltonian that couples them.
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