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Quantum imaginary time evolution with Zoe Holmes
The New Quantum Era - innovation in quantum computing, science and technology
Manage episode 470018727 series 3377506
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Professor Zoe Holmes from EPFL in Lausanne, Switzerland, discusses her work on quantum imaginary time evolution and variational techniques for near-term quantum computers. With a background from Imperial College London and Oxford, Holmes explores the limits of what can be achieved with NISQ (Noisy Intermediate-Scale Quantum) devices.
Key topics covered:
- Quantum Imaginary Time Evolution (QITE) as a cooling-inspired algorithm for finding ground states
- Comparison of QITE to Variational Quantum Eigensolver (VQE) approaches
- Challenges in variational methods, including barren plateaus and expressivity concerns
- Trade-offs between circuit depth, fidelity, and practical implementation on current hardware
- Potential for scientific value from NISQ-era devices in physics and chemistry applications
- The interplay between classical and quantum methods in advancing our understanding of quantum systems
54 episodes
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