November 11, 2025Open Access

Experimental Evidence of the Present Containment Principle (PCP) via Time Reversal on a NISQ Quantum Computer

Key Points

Reversal fidelity reached 61.2%, indicating significant retention of quantum information during the experiment.
Experimental analysis conducted on an IBM noisy intermediate-scale quantum (NISQ) device illustrates the principles of time-reversal.
Findings support the theory that irreversibility results from practical limitations like noise and accessibility in quantum systems.
Results highlight the importance of understanding quantum information conservation in the context of time and emergent phenomena.

Abstract

This work presents experimental evidence supporting the Present Containment Principle (PCP), a theory postulating that quantum information is fundamentally conserved (global unitarity), and that apparent irreversibility and the arrow of time emerge from practical limitations, such as noise and accessibility. Using an IBM noisy intermediate-scale quantum (NISQ) computer, a time-reversal (Loschmidt echo) experiment was conducted with an entangled Bell state. The results demonstrate a reversal fidelity of 61.2

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