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05-07
2012
Digital Quantum Simulation with a Quantum Computer: Challenges and Opportunities
I earned my BSc and MPhil in physics from the Chinese University of Hong Kong in respectively 2002 and 2004. I continued my PhD study in physics at the University of Illinois at Urbana-Champaign and f...
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11-15
2016
PSD rank and its applications in computer science and quantum physics
Abstract: Positive semidefinite (PSD) rank is a concept that was proposed recently to study the computational power of semidefinite programming, a problem in optimization theory. It turns out that it...
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09-25
2024
Engineering Hierarchical Symmetries and Massive Nambu-Goldstone Modes
Abstract: We present a general driving protocol for many-body systems to generate a sequence of prethermal regimes, each exhibiting a lower symmetry than the preceding one [1]. We provide an explicit...
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03-30
2017
Quantum Journal Club: Observation of a Dissipative Phase Transition in a One-Dimensional Circuit QED Lattice
Abstract: Condensed matter physics has been driven forward by significant experimental and theoretical progress in the study and understanding of equilibrium phase transitions based on symmetry and t...
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05-29
2014
Quantum Journal Club: Experimental realization of a concatenated Greenberger–Hor
Abstract: The Greenberger–Horne–Zeilinger (GHZ) states1 play a significant role in fundamental tests of quantum mechanics2 and are one of the central resources of quantum-enhanced highprecision met...
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08-14
2013
Quantum state preparation and manipulation of single molecular ions
Abstract: For more than a decade, the translational degrees of freedom of trapped ensembles of molecular ions have efficiently been cooled to the few millikelvin through Coulomb interaction with simu...