Quantum supremacy using a programmable superconducting processor

 Göteborg Mesoscopic Lecture with John Martinis, Google and UCSB

​Welcome to Göteborg Mesoscopic Lecture, Winter Lecture 2020

The promise of quantum computers is that certain computational tasks might be executed exponentially faster on a quantum processor than on a classical processor. A fundamental challenge is to build a high-fidelity processor capable of running quantum algorithms in an exponentially large computational space. Here we report the use of a processor with programmable superconducting qubits to create quantum states on 53 qubits, corresponding to a computational state-space of dimension 2^53  (about 10^16). Measurements from repeated experiments sample the resulting probability distribution, which we verify using classical simulations. Our Sycamore processor takes about 200 seconds to sample one instance of a quantum circuit a million times—our benchmarks currently indicate that the equivalent task for a state-of-the-art classical supercomputer would take approximately 10,000 years. This dramatic increase in speed compared to all known classical algorithms is an experimental realization of quantum supremacy for this specific computational task, heralding a much-anticipated computing paradigm.
Coffee will be served from 15:00

The Göteborg Mesoscopic Lectures are sponsored by the Royal Swedish Academy of Sciences through its Nobel Institute of Physics. 
Further information by Per Delsing, Mats Jonson, or Tord Claeson.
Per Delsing is hosting Prof Martinis January 13-15; Martinis will lecture at KTH Jan 16

Category Lecture; Public lecture; Seminar
Location: Gustaf Dalén-salen, lecture hall, Chalmers Tvärgata 5, Gustaf Dalénsalen
Starts: 14 January, 2020, 15:15
Ends: 14 January, 2020, 16:30

Published: Tue 17 Dec 2019.