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09-09
2024
The Long, Winding Road to NISQ Utility in Quantum Simulation of Chemistry and Physics
Abstract: The search for practical applications of NISQ devices in quantum simulation has been challenging, particularly due to intrinsic noise and the large costs associated with achieving high accu...
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07-18
2024
Quantum spin liquids and the cuprate superconductors
Abstract: Quantum spin liquid states have been intensively studied over the past three decades for spin Hamiltonians on the square lattice with short-range interactions which preserve global spin rot...
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07-12
2024
High fidelity hybrid quantum computing platform based on single quanta of sound
Abstract: Entanglement and superposition are fundamental properties of quantum-mechanical states, with no classical counterparts. It is well-established that elementary particles, such as electrons a...
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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...