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Quantum Physicists Find a Way to Reverse Time’s Arrow in Controlled Systems

Фізики-quantum представили революційні методи змінювання напрямку часу в експериментальних умовах. Photo: НВ — Техно

Breakthrough in Quantum Control Research

On June 23, 2026, at 3:30 PM, SciTechDaily reported on a major advance by scientists who have developed novel quantum control protocols. These protocols make it possible to reverse the direction of time’s arrow within quantum systems and harness the energy released by measurements. At the microscopic scale, many physical laws do not distinguish between time moving forward or backward, underscoring the significance of these new achievements in quantum mechanics.

Key Innovations and Their Implications

The research team designed protocols that integrate measurement, feedback, and control fields. A central innovation is the control Hamiltonian—a programmable sequence of fields and pulses that enables precise manipulation of quantum systems. The researchers applied this approach to build an engine capable of extracting energy from measurements of a quantum system. That harvested energy can then be used for other processes or stored in a quantum battery.

“At the microscopic level, most fundamental laws of physics allow time to flow both forward and backward”

Luis Pedro García-Pintos

The scientists compare this mechanism to the famous 'Maxwell’s demon' thought experiment, highlighting the potential of these new technologies. The next phase of this research involves experimental tests on superconducting qubits, which could confirm or challenge the theoretical foundations of the developed protocols. Progress in these technologies opens new frontiers in quantum physics and could significantly influence future innovations in energy and information technology.

These new quantum control protocols have the potential to fundamentally transform our understanding and practical use of quantum systems. If experimental validation confirms their effectiveness, it could lead to revolutionary changes in how energy is generated and stored, as well as advances in quantum computing and communications. Such achievements underscore the importance of interdisciplinary research in physics and engineering for creating technologies that impact many areas of life.

The recent advancements in quantum control protocols not only shed light on reversing time's arrow but also resonate with other groundbreaking research in the field. For instance, a recent study has demonstrated that quantum mechanics can be described without imaginary numbers, potentially reshaping foundational concepts in physics. This parallel highlights the dynamic nature of contemporary quantum research and its implications for our understanding of the universe.