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Simulating the spin-boson model with a controllable reservoir in an ion trap

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arxiv 2402.07461 v1 pith:T7JGPLM2 submitted 2024-02-12 quant-ph

Simulating the spin-boson model with a controllable reservoir in an ion trap

G.-X. Wang , Y.-K. Wu , R. Yao , W.-Q. Lian , Z.-J. Cheng , Y.-L. Xu , C. Zhang , Y. Jiang
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Y.-Z. Xu B.-X. Qi P.-Y. Hou Z.-C. Zhou L. He L.-M. Duan
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keywords modelreservoirspin-bosondynamicslasernumberopenquantum
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The spin-boson model is a prototypical model for open quantum dynamics. Here we simulate the spin-boson model using a chain of trapped ions where a spin is coupled to a structured reservoir of bosonic modes. We engineer the spectral density of the reservoir by adjusting the ion number, the target ion location, the laser detuning to the phonon sidebands, and the number of frequency components in the laser, and we observe their effects on the collapse and revival of the initially encoded information. Our work demonstrates the ion trap as a powerful platform for simulating open quantum dynamics with complicated reservoir structures.

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