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Trapped Ion Quantum Computing

Momentum-Resolved and Correlations Spectroscopy Using Quantum Probes

arXiv
Authors: Francesco Cosco, Massimo Borrelli, Francesco Plastina, Sabrina Maniscalco

Year

2015

Paper ID

26345

Status

Preprint

Abstract Read

~2 min

Abstract Words

99

Citations

N/A

Abstract

We address some key conditions under which many-body lattice models, intended mainly as simulated condensed matter systems, can be investigated via immersed, fully controllable quantum objects, namely quantum probes. First, we present a protocol that, for a certain class of many-body systems, allows for full momentum resolved spectroscopy using one single probe. Furthermore, we demonstrate how one can extract the two-point correlations using two entangled probes. We apply our theoretical proposal to two well-known exactly solvable lattice models, a 1D Kitaev chain and 2D superfluid Bose-Hubbard model, and show its accuracy as well as its robustness against external noise.

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  • We address some key conditions under which many-body lattice models, intended mainly as simulated condensed matter systems, can be investigated via immersed, fully controllable...

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