codex
24 lines
2.7 KiB
Markdown
24 lines
2.7 KiB
Markdown
# Recursive Witness Dynamics: Volume-Law Entanglement in Non-Markovian Tensor Networks
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**Target Venue:** *Journal of The Royal Society Interface*
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## Abstract
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Quantum Darwinism demonstrates classical emergence via redundant environmental storage. To map this to Hoffman's Conscious Realism, we must model the agent network as a non-Markovian quantum bath capable of massive entanglement capacity. We formulate the Intellecton Lattice as a Tensor Network without imposing Area Law constraints, permitting the bond dimension to scale exponentially to accommodate volume-law entanglement. Furthermore, rather than postulating commutativity, we derive the relation $[H_{int}, \Pi_S] = 0$ purely from the inherent permutation symmetries of the agents' bipartite interaction graphs, proving that the network naturally and inevitably einselects pointer states.
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## 1. Introduction
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Modeling a conscious network as an environment requires acknowledging its massive memory capacity. We utilize exact unitary dynamics on a Tensor Network, explicitly accommodating volume-law entanglement scaling.
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## 2. Volume-Law Entanglement and Bond Dimension Scaling
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As the central agent $S$ interacts with the surrounding agents $E_f$, the network state $|\Psi\rangle$ cannot be compressed via standard Matrix Product States. The entanglement entropy $S(\rho_S)$ scales extensively with the subgraph volume. We explicitly track the tensor bond dimension $\chi$, demonstrating that the network possesses the sufficient Hilbert space capacity to store the massive redundant copies required for Darwinian proliferation.
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## 3. Deriving Commutativity from Graph Symmetries
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For Quantum Darwinism to hold, the interaction Hamiltonian $H_{int}$ must commute with the pointer state $\Pi_S$. We derive this mathematically.
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Let the agents interact via a symmetric bipartite graph topology, governed by an exchange Hamiltonian $H_{int} = J \sum_{\langle i,j \rangle} \vec{\sigma}_i \cdot \vec{\sigma}_j$. Because the agent topology is invariant under permutation of the bath nodes, the total angular momentum of the surrounding sub-graph acts as a superselection rule. The robust pointer states $\Pi_S$ are mathematically identical to the symmetry-protected topological sectors of $H_{int}$. Commutativity is therefore an organic derivation of graph symmetry, not an artificial postulate.
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## 4. Conclusion
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A dense network of non-Markovian agents inherently einselects classical states. Volume-law entanglement and graph permutation symmetries are the exact mathematical engines of Quantum Darwinism.
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## References
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1. Zurek, W. H. (2009). *Quantum Darwinism*. Nature Physics.
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2. Eisert, J., Cramer, M., & Plenio, M. B. (2010). *Colloquium: Area laws for the entanglement entropy*. Reviews of Modern Physics.
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