Published April 1, 2026 | Version v4
Preprint Open

Engineering Specification: Anchor4-TC v1.1— A CMOS Transistor Realization of an SU(7)-Inspired Adaptive Lattice Processor

Authors/Creators

Description

This document defines a transistor-based engineering implementation of the Anchor4 architecture, designed as a practical adaptive lattice processor realizable in conventional 50nm/30nm CMOS technology.

The purpose of this specification is to translate the logical and runtime principles of the non-binary SU(7) qudit model into a manufacturable hardware architecture using standard digital and mixed-signal methods.

Key Architectural Features:

  • Parity-Flexible Bootstrap: The architecture is formally validated for both even and odd active-assistance configurations (n_i), removing traditional binary symmetry constraints from the first hardware demonstrator.
  • Hardware-Native "Hands": Implementation of temporary auxiliary routing links as programmable CMOS paths, activated by local node stress and mismatch metrics.
  • Layered Node Policies: Defined operational budgets for Core (12 hands), Medium (6 hands), and Outer (5 hands) nodes to manage lattice coherence and surface-to-volume stress.
  • Staged Growth Path: A structured engineering roadmap from a single-node test cell to a 343-node (7 \times 7 \times 7) logical lattice.
  • Resonant Synchronization: Move beyond standard thread-based processing toward a coherent phase-field computation model that minimizes traditional memory-wall bottlenecks.

This specification serves as a hardware-grounded bridge between conceptual SU(7) theory and scalable silicon implementation.

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Additional details

Dates

Issued
2026-03-21
Anchor⁴ is a conceptual 343-node (7³) spin-3 qudit processor architecture based on magnetic domain-wall logic and self-regulating magnetocaloric cooling. The system features a 7×7×7 cubic lattice with nearest-neighbor coupling, SU(7) symmetry, hierarchical signature aggregation for noise suppression, and a fully vectorized reduced-order simulation framework that achieves \~8× speedup compared to sequential execution while preserving model dynamics. Numerical verification demonstrates stable phase synchronization (final R ≈ 0.978), bounded thermal feedback (20–27 mK), and sub-linear noise behavior. The architecture includes a physical kill-switch for ethical constraints and is projected to operate below 3 W with enhanced radiation tolerance at the 100 nm node. This work provides a complete conceptual design, simulation results, limitations, and a clear experimental validation roadmap for future hardware prototyping.