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06-20
2019
Nitrogen vacancy center in diamond: a nanoscale quantum sensor for high pressure, and a novel platform to study out-of-equilibrium quantum dynamics
Abstract: Recent experimental advances have enabled the control and manipulation of individual quantum mechanical spins in solids. In this talk, I will introduce two directions our group is currently...
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06-17
2019
Neutral networks, quantum chaos and Sachdev-Ye-Kitaev models
Abstract: We will first review the recent progress in SYK models and their global impacts in quantum gravity, QCD, condensed matter physics, quantum information science and deep machine learning. The...
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06-11
2019
Surpassing the Interaction Limit to Quantum Metrology with Fault-Tolerant Control
Abstract: Quantum sensing allows the detection of weak magnetic fields with high sensitivity and precision, enabling a myriad of applications ranging from nanoscale nuclear magnetic resonance spectro...
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06-05
2019
Topological triply-degenerate points in ultracold atoms and photonic hyperbolic metamaterials
Abstract: Topological states of matter provide a fertile ground for discovering new quasiparticles in condensed matter physics, such as Weyl and Dirac fermions, which were originally predicted in hig...
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05-16
2019
Long-Distance Entanglement based Quantum Key Distribution
Abstract: Among various implementations of QKD, the entanglement-based approach is especially promising for future applications, as it forms the basis of device-independent quantum secure cryptograph...
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04-22
2019
Quantum Many-Body Computation on a Small Quantum Computer
Abstract: What can we do on a small quantum computer with O(10) qubits? We propose a variational scheme to study ground state properties of quantum many-body systems on small scale near-term noisy q...