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11-27
2024
Fundamental Sensitivity Limits for Non-Hermitian Quantum Sensors
Abstract: Considering non-Hermitian systems implemented by utilizing enlarged quantum systems, we determine the fundamental limits for the sensitivity of non-Hermitian sensors from the perspective of...
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11-21
2024
Thorium-229 nuclear clock: nuclear physics meets metrology
Abstract: Laser-based measurement and control of atomic and molecular states form the foundation of modern quantum technology and provide deep insights into fundamental physics. In this talk, I'll pr...
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11-19
2024
Quantum Teleportation, Quantum Walk, and Some Applications
Abstract: This presentation contains two parts. In the first part, I will talk about a theoretical discovery of a possible application of quantum teleportation, i.e., Global Positioning Scheme via Qu...
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11-06
2024
Diamond quantum sensing under extreme conditions
Abstract: Quantum sensing refers to the use of quantum systems, quantum properties, or quantum phenomena to achieve highly sensitive detection of physical quantities. Among the many physical systems,...
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10-18
2024
Symmetry-breaking-enhanced quantum advantage in quantum information systems
Abstract: We study symmetry-breaking (SB) phenomena in a few quantum information systems, it is shown that SB can create or enhance quantum advantage on quantum information processing. We find that e...
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10-11
2024
Spin glass, quantum gravity, and their simulations
Abstract: In this introductory seminar, I will briefly explain the mean-field spin glass, especially focusing on the classical Sherrington-Kirkpatrick (SK) model. I will explain its nontrivial low te...