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06-17
2024
Tensor network simulation in strongly correlated systems: past, present and future
Abstract: Tensor network states are new kinds of variational wavefunctions that help us to understand quantum phases and phase transitions beyond Landau paradigm. In this talk, I will first review th...
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05-08
2024
Quantum applications based on density matrix vectorization: a polynomial-time quantum algorithm for some hard ground state problems and an unconditionally decoherence-free quantum error mitigation method
Abstract: In this talk, we will give two quantum applications based on density matrix vectorization. Vectorizing density matrices has been a useful mathematical trick for simplifying many concepts in...
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04-29
2024
Entanglement detection length of multipartite quantum states
Abstract: Multipartite entanglement is a crucial resource for quantum computing, communication, and metrology. However, detecting this resource can be challenging: for genuine multipartite entangleme...
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04-19
2024
Micro-cavity integration with monolithic linear ion trap
Abstract: Micro optical cavities can be used to collect photons emitted from the ions more efficiently, or to achieve strong coupling between photons and ions. In this talk, I will discuss a fundamen...
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01-25
2024
Quantum simulation of entangled matter with an ion trap quantum computer
Abstract: Trapped-ion quantum computers provide a pristine one-dimensional spin system, featuring high isolation from the environment, high-fidelity measurement and preparation of individual spins, a...
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12-26
2023
Zero-Knowledge Proofs Beyond Circuits and Constraints — How to build a ZK CPU?
Abstract: With recent advances in efficient Zero-Knowledge Proofs (ZKP) schemes, ZKP has become one of the most active areas in Cryptography that enables fruitful real-world applications. However, ge...