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Can Time Flow in Reverse? A Quantum Breakthrough Challenges Our Assumptions
SciTechDaily • • science
Key Points:
- Researchers have developed quantum control protocols that can suppress or even reverse the apparent arrow of time in quantum systems by combining measurements, feedback, and tailored control fields.
- These protocols enable the creation of time-reversed quantum trajectories, allowing quantum systems to behave as if time is flowing backward, challenging classical notions of time's directionality.
- The team demonstrated a measurement-powered engine that extracts energy from monitoring a quantum system, turning quantum measurements into a thermodynamic resource.
- Future research aims to experimentally test these techniques using superconducting qubits and to develop new protocols for quantum state preparation.
- This work, published in Physical Review X, advances understanding of fundamental physics and could lead to novel quantum technologies for energy extraction and control.
