Sdim: A Qudit Stabilizer Simulator

• URL: http://arxiv.org/abs/2511.12777v1
• Date: Sun, 16 Nov 2025 21:03:52 GMT
• Title: Sdim: A Qudit Stabilizer Simulator
• Authors: Adeeb Kabir, Steven Nguyen, Sohan Ghosh, Tijil Kiran, Isaac H. Kim, Yipeng Huang,
• Abstract summary: We introduce the first open-source realization of a qudit stabilizer simulator for all dimensions.<n>We demonstrate its correctness against existing state vector simulations and benchmark its performance in evaluating and sampling quantum circuits.
• Score: 0.2936118677102838
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Quantum computers have steadily improved over the last decade, but developing fault-tolerant quantum computing (FTQC) techniques, required for useful, universal computation remains an ongoing effort. Key elements of FTQC such as error-correcting codes and decoding are supported by a rich bed of stabilizer simulation software such as Stim and CHP, which are essential for numerically characterizing these protocols at realistic scales. Recently, experimental groups have built nascent high-dimensional quantum hardware, known as qudits, which have a myriad of attractive properties for algorithms and FTQC. Despite this, there are no widely available qudit stabilizer simulators. We introduce the first open-source realization of such a simulator for all dimensions. We demonstrate its correctness against existing state vector simulations and benchmark its performance in evaluating and sampling quantum circuits. This simulator is the essential computational infrastructure to explore novel qudit error correction as earlier stabilizer simulators have been for qubits.

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