Theoretical Physics - From Outer Space to Plasma How to program a quantum computer
May 7, 2025
In this conversation with Dr. Dominik Hahn, a quantum computing expert, listeners dive into the construction and programming of quantum computers. He demystifies the similarities between quantum and classical computing, showcasing how quantum programs run on superconducting devices. Hahn elaborates on the potential of quantum computers to tackle complex problems like simulating quantum systems and optimization. He also touches on the challenges of quantum error correction and the implications of current hardware limitations on algorithm performance.
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Quantum Computing Key Applications
- Quantum computers can exponentially speed up prime factorization with Shor's algorithm but this is likely decades away from practical use.
- Simulating strongly interacting quantum systems and quantum chemistry are nearer-term, promising applications for quantum computing.
Quantum Computer Requirements
- Quantum computers need scalable qubits, long coherence times, a universal set of gates, and reliable measurements.
- Coherence time limits and error correction remain the largest challenges for current technologies.
Leading Quantum Hardware Types
- Superconducting qubits, trapped ions, topological approaches, and neutral atoms are leading technologies for quantum hardware.
- Each approach has unique advantages and scalability challenges in realizing practical quantum computers.