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Long-term stability of quantum resources through gravitational cat states in a dissipative Markovian environment

Anas Ait Chlih1,* and Tamer A. Seoudy2,3,†

  • *Contact author: anasaitchlih@gmail.com
  • †Contact author: tamerabdallah568@gmail.com
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Phys. Rev. A 114, 012434 – Published 15 July, 2026

DOI: https://doi.org/10.1103/68pc-tskl

Abstract

The paradigm in which gravity can generate entanglement between distant masses represents a profound shift in our understanding of quantum-gravitational interfaces and is still among the active and debated topics. Recent work [A. ur Rahman et al., Phys. Rev. D 111, 064077 (2025)] established gravitational cat states as robust carriers of quantum correlations under thermal and classical fields. In our work, we demonstrate their capacity to stabilize quantum resources under a dissipative environment, which is the dominant decoherence mechanism in engineered platforms such as superconducting qubits. By incorporating both gravitational-like and spin-orbit couplings in a Markovian open system, we analytically demonstrate that quantum correlations attain nonvanishing steady-state values, and the stationary fidelity is enhanced by increasing the gravitational-like coupling. The spin-orbit interaction drives Rabi-like oscillations that counteract monotonic decay, and the gravitational coupling mimics non-Markovian memory, enabling long-term information stability. These mechanisms position gravity-inspired interactions not merely as entanglement generators, but as active stabilizers of quantumness in realistic dissipative environments.

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Phys. Rev. A 114, 012434– Published 15 July, 2026
  • Received 17 September 2025
  • Accepted 22 June 2026
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