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Engineering entanglement in two interacting Brownian particles through nonequilibrium driving.
1Sikkim Manipal University, Department of Physics, Sikkim Manipal Institute of Technology, Majitar-737136, India.
Physical Review. E
|September 16, 2025
Summary
This study explores how nonequilibrium driving can generate classical entanglement in Brownian systems. Stronger driving and specific protocols enhance entanglement, linking nonequilibrium control to mesoscopic entanglement.
Area of Science:
- Mesoscopic physics
- Quantum information
- Statistical mechanics
Background:
- Classical entanglement in Brownian systems is an emerging area of research.
- Nonequilibrium processes can drive complex behaviors in physical systems.
Purpose of the Study:
- To investigate the emergence of entanglement in a classical two-particle Brownian system.
- To explore the role of nonequilibrium driving in generating and controlling this entanglement.
Main Methods:
- Stochastic simulations were employed to model the two-particle Brownian system.
- An entanglement witness was computed using osmotic velocities and position correlations.
Main Results:
- Stronger nonequilibrium driving was shown to enhance entanglement generation.
- Entanglement generation exhibits protocol-specific features.
- A link between nonequilibrium control and classical entanglement was revealed.
Conclusions:
- Nonequilibrium driving is a viable method for generating classical entanglement in mesoscopic systems.
- Thermodynamic quantities like entropy production are closely related to entanglement.
- Further research into controlling entanglement via nonequilibrium protocols is warranted.
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