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quant-ph2024
Observation of quantum superposition of topological defects in a trapped ion quantum simulator
Zhijie Cheng, Yukai Wu, Shijiao Li +8
Topological defects are discontinuities of a system protected by global properties, with wide applications in mathematics and physics. While previous experimental studies mostly fo…
quant-ph2024
Polynomial-Time Preparation of Low-Temperature Gibbs States for 2D Toric Code
Zhiyan Ding, Zeph Landau, Bowen Li +2
We propose a polynomial-time algorithm for preparing the Gibbs state of the two-dimensional toric code Hamiltonian at any temperature, starting from any initial condition, signific…