Quantum scars from holographic boson stars

• URL: http://arxiv.org/abs/2605.02446v1
• Date: Mon, 04 May 2026 10:46:19 GMT
• Title: Quantum scars from holographic boson stars
• Abstract summary: We show thatally AdS mini-boson stars provide a holographic realization of scar-like states.<n>Our work suggests a new connection between many-body scar physics, quantum chaos, and horizonless gravitational dynamics.
• Score: 4.453878216077302
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Quantum many-body scars are atypical nonthermal states embedded in the chaotic spectrum that evade conventional ergodicity. We show that asymptotically AdS mini-boson stars provide a holographic realization of scar-like states. Their spectrum exhibits random-matrix signatures of chaos while supporting embedded integrable spectral branches. The full holographic system, including black holes, is generically chaotic with most eigenstates satisfying the eigenstate thermalization hypothesis; in contrast, the boson star macrostate probes an approximately integrable subsector within this chaotic spectrum, signaling scarred spectral structures. Boson stars further display anomalously low entanglement relative to black holes at the same energy density, and also robust revivals in Krylov complexity, revealing nonergodic dynamics. These spectral, entanglement, and dynamical diagnostics provide unified evidence for holographic quantum scars in a self-gravitating system. Our work suggests a new connection between many-body scar physics, quantum chaos, and horizonless gravitational dynamics.

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