參賽序號：2-8
海報主題
Applications of Post-selected Closed Timelike Curves in Quantum Information Processing
系級
物理學系
指導老師及參賽學生
指導老師：陳岳男
參賽學生：蔡松霖
構想說明
Post-selected closed timelike curve (PCTC) theoretically enables the teleportation of information from the future to the present quantum state. We analyze PCTC with weak value amplification (PCTC-WVA), finding that the Fisher information (FI) increases by 89% compared to the case without PCTC. Additionally, we demonstrate that PCTC is crucial for work extraction: without it, the efficiency of the quantum Szilárd engine approaches zero. By analyzing readout errors and controlled-Z (CZ) errors arising from real devices, we show that the ideal case, after performing noise simulation, closely aligns the experimental statistics, confirming the reliability of the PCTC framework.
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