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Updated: Jun 8, 2026
10:02
Neutron Spin Echo Spectroscopy as a Unique Probe for Lipid Membrane Dynamics and Membrane-Protein Interactions
Published on: May 27, 2021
Dynamic entanglement in oscillating molecules and potential biological implications.
Jianming Cai1, Sandu Popescu, Hans J Briegel
1Institut für Theoretische Physik, Universität Innsbruck, Austria.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|September 28, 2010
Summary
Entanglement can repeatedly emerge in a driven two-spin molecule within a hot, noisy environment. This quantum system
Area of Science:
- Quantum physics
- Chemical physics
- Quantum information science
Background:
- Entanglement typically vanishes in hot, noisy environments, preventing its use in quantum technologies.
- Quantum systems usually reach a separable thermal equilibrium state when exposed to an environment.
Purpose of the Study:
- To demonstrate persistent entanglement recurrence in a driven quantum system coupled to a dissipative environment.
- To explore the potential for entanglement in biologically relevant systems with high decoherence.
Main Methods:
- Theoretical modeling of a driven two-spin molecule coupled to a hot and noisy environment.
- Analysis of a nonequilibrium quantum system prevented from reaching thermal equilibrium.
Main Results:
- Entanglement was shown to persistently recur despite the presence of a hot and noisy environment.
- Environmental noise and driven motion constructively reset the system, enabling recurring entanglement.
- The findings suggest entanglement's role in heat exchange within molecular machines.
Conclusions:
- Entanglement can exist and recur in systems exposed to high decoherence and thermal environments.
- The demonstrated mechanism provides a foundation for utilizing entanglement in challenging conditions, like biological systems.
- Experimental verification using trapped ions is feasible with current quantum technologies.
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