Observing the Nonequilibrium Dynamics of the Quantum Transverse-Field Ising Chain in Circuit QED
Oliver Viehmann, Jan von Delft, and Florian Marquardt
TL;DR
This paper proposes a circuit QED setup to simulate and observe the nonequilibrium dynamics of a quantum Ising chain, enabling experimental study of many-body quantum phenomena.
Contribution
It introduces a novel circuit QED platform for simulating and probing the nonequilibrium dynamics of quantum Ising chains with current technology.
Findings
Spectrum calculation guides experimental characterization
Quench dynamics can be observed in the setup
Localized excitation propagation is demonstrable
Abstract
We show how a quantum Ising spin chain in a time-dependent transverse magnetic field can be simulated and experimentally probed in the framework of circuit QED with current technology. The proposed setup provides a new platform for observing the nonequilibrium dynamics of interacting many-body systems. We calculate its spectrum to offer a guideline for its initial experimental characterization. We demonstrate that quench dynamics and the propagation of localized excitations can be observed with the proposed setup and discuss further possible applications and modifications of this circuit QED quantum simulator.
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Quantum and electron transport phenomena · Quantum many-body systems