Quantum Lunch: Quantum simulations with noisy quantum computers – University of Copenhagen

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QMath > Events > Quantum Lunch > w 9 Kristan Temme

Quantum Lunch: Quantum simulations with noisy quantum computers

Speaker:
Kristan Temme from IBM

Title:
Quantum simulations with noisy quantum computers

Abstract:
Quantum computing is a new computational paradigm that is expected to lie beyond the standard Turing model of computation. This implies a quantum computer could solve problems that can’t be solved by a conventional computer with tractable overhead. To fully harness this power we need a universal fault-tolerant quantum computer. However the overhead in building such a machine is high and a full solution appears to be many years away. Nevertheless, we believe that we can build machines in the near term that cannot be emulated by a conventional computer.

It is then interesting to ask what these can be used for. In this talk we will present our advances in simulating complex quantum systems with noisy quantum computers. We use a conventional computer to drive a quantum computer to the ground state
of physically interesting problems. We will show experimental implementations of this on some small quantum computers.