#Google started working on a form of #quantumcomputing that harnesses #superconductivity in 2014. In 2017 or 2018 Google hopes to perform a computation that is beyond even the most powerful ‘classical’ #supercomputers — an elusive milestone known as #quantumsupremacy. Its rival, #Microsoft, is betting on an intriguing but unproven concept, topological #quantumcomputing, and hopes to perform a first demonstration of the technology. The quantum-computing start-up scene is also heating up. Christopher Monroe, co-founded the start-up IonQ in 2015, plans to begin hiring in earnest this year. Physicist Robert Schoelkopf at Yale University in New Haven, Connecticut, who co-founded the start-up Quantum Circuits, and former IBM applied physicist Chad Rigetti, who set up Rigetti in Berkeley, California, say they expect to reach crucial technical milestones soon. The largest trapped ion quantum computer with 20 qubits is being tested in an academic lab led by Rainer Blatt at the University of Innsbruck in Austria. In 2016, Rainer Blatt's and Peter Zoller's research teams have simulated lattice gauge theories in a trapped ion quantum computer. Gauge theories describe the interaction between elementary particles, such as quarks and gluons, and they are the basis for our understanding of fundamental processes. "Dynamical processes, for example, the collision of elementary particles or the spontaneous creation of particle-antiparticle pairs, are extremely difficult to investigate," explains Christine Muschik, theoretical physicist at the IQOQI. "However, scientists quickly reach a limit when processing numerical calculations on classical computers. For this reason, it has been proposed to simulate these processes by using a programmable quantum system."
http://www.nextbigfuture.com/2017/01/google-microsoft-labs-and-start-ups.html?m=1
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