This Repo is a collection of Python scripts designed to programmatically render physics animations. This project utilizes the Manim Community library to accurately simulate and visualize time-dependent quantum storage protocols.
线性耦合传播的因果数值求解：marcher、GEM专用IF2及XMDS2接口；含中文推导与可复现验证。
Python model of a multi-node quantum repeater chain with memory decoherence, parameter sweeps, and tests. Model output under stated assumptions, not measured hardware.
Whole-frontier rigidity of iid pure quantum records under sublinear homomorphism syndrome advice, with binary bounds and phase-channel consequences.
Passive quantum-memory lifetime and calibration-information bounds under common-field dephasing with uncertain spatial couplings.
Learning hidden Pauli measurements from quantum examples with noisy labels: optimal sample bounds, quantum-memory advantage, and conditional hardness under quantum decision-LPN.
Exact certificates and matching constructions for a sharp, dimension-independent qubit-recovery bound from a three-branch coherent test of an addressed subsystem, with a quantum bypass available to the decoder.
Root-fidelity estimation under complete quantum resets, with adaptive converses and a loop-phase application.
Boundary erasure in a coherent no-passing quantum chain: exponential memory under unital endpoint control, polynomial erasure by draining and refilling, and a sharp reservoir filling threshold.
Sharp limits on transferring unknown quantum states from a collectively emitting ensemble to a passive single-mode memory. Includes proofs, a guided tutorial and reproducible checks showing why near-complete photon collection need not imply faithful state transfer.
Physical symmetry-memory laws and finite-deformation erasure limits.
A theoretical hardware architecture framework for the post-silicon era based on on radiation-evacuated lithium niobate on sapphire (LNOS)
Simulation study: how much fidelity does a spin quantum memory lose when its release time (network herald) is random, and does a herald-triggered closing pulse or a learned pulse schedule beat tuned CPMG? Exact Gaussian dephasing model, 5 seeds, PyTorch.
Quantum memory costs for delayed local X/Z measurements: exact finite-size tradeoffs, one-qubit memory allocation, and a collective advantage for unequal accuracies, with proofs and reproducible certificates.
Noise-aware co-design of quantum frequency conversion (target wavelength, pump power) and bandwidth matching for heralded entanglement between heterogeneous quantum memories over 10-100 km fibre. Differentiable PyTorch link model, Fock-space validation, seeds and stats.
Logarithmic quantum-memory bounds for deterministic catalytic magic-state distillation, with exact marginal return, fixed noisy-input budgets, and a matching CCZ construction.
Receiver-memory bounds for quantum streaming under burst erasures and delayed acknowledgments, with matching finite-entanglement protocols and an optimal no-feedback rate.
Copy and memory limits for quantum reference identification, with finite-query error bounds and sharp saturation of classical preprocessing before an unknown query arrives.
Exact quantum-memory limits for calibrating a randomized Pauli detector, with attaining protocols and adaptive estimation bounds.
Sharp prediction-accuracy bounds for learning drifting quantum signals: unlimited classical records versus one retained quantum register.
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