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Observing Topological Invariants Using Quantum Walk in Superconducting Circuits
Emmanuel Flurin, Vinay V. Ramasesh, Shay Hacohen-Gourgy +3
The direct measurement of topological invariants in both engineered and naturally occurring quantum materials is a key step in classifying quantum phases of matter. Here we motivat…
Direct Probe of Topological Invariants Using Bloch Oscillating Quantum Walks
Vinay V. Ramasesh, Emmanuel Flurin, Mark S. Rudner +2
The topology of a single-particle band structure plays a fundamental role in understanding a multitude of physical phenomena. Motivated by the connection between quantum walks and…
Dynamics of simultaneously measured non-commuting observables
Shay Hacohen-Gourgy, Leigh S. Martin, Emmanuel Flurin +3
In quantum mechanics, measurements cause wavefunction collapse that yields precise outcomes, for non-commuting observables such as position and momentum Heisenberg's uncertainty pr…
Quantum trajectories and their statistics for remotely entangled quantum bits
Areeya Chantasri, Mollie E. Kimchi-Schwartz, Nicolas Roch +2
We experimentally and theoretically investigate the quantum trajectories of jointly monitored transmon qubits embedded in spatially separated microwave cavities. Using nearly quant…