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11-10
2021
Unifying the Anderson Transitions in Hermitian and Non-Hermitian Systems
Abstract: Altland-Zirnbauer (1997) gave ten-fold symmetry classification of disordered electron system. The localization property and critical behavior of electron is universal in a given spatial dim...
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10-27
2021
On the existence of thermodynamic potentials for quantum systems: A resource-theoretic approach
Abstract: In equilibrium thermodynamics, the Boltzmann entropy serves as a complete thermodynamic potential that characterizes state convertibility in a necessary and sufficient manner. In this talk,...
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10-20
2021
Progress toward an information theoretic account of why apples fall
Abstract: Here are three things about gravity--one problem, one fact, and a piece of lore: (1) Gravity is the only known force, which is not understood on the quantum level. (2) Gravity is "holograph...
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10-13
2021
Machine Learning Methods in Quantum Physics
Abstract: In quantum physics, we usually face exponentially large degrees of freedom and the large-scale data obtained from quantum systems, which constantly defy our analysis capability. Here, we sk...
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09-29
2021
Efficient estimation of quantum coherence
Abstract: Quantification of coherence lies at the heart of quantum information processing and fundamental physics. Exact evaluation of coherence measures generally needs a full reconstruction of the ...
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09-10
2021
High coherence fluxonium and its two-qubit gate scheme
Abstract: Improving control over physical qubits is a crucial component of quantum computing research. We report our recent fluxonium qubit with coherence time reaching T2*= 1.48±0.13 ms [1], which e...