|Title||Quantum Memory Assisted Probing of Dynamical Spin Correlations|
|Publication Type||Journal Article|
|Year of Publication||2012|
|Authors||Romero-Isart, O, Rizzi, M, Muschik, CA, Polzik, ES, Lewenstein, M, Sanpera, A|
|Journal||Physical Review Letters|
We propose a method to probe time-dependent correlations of nontrivial observables in many-body ultracold lattice gases. The scheme uses a quantum nondemolition matter-light interface, first to map the observable of interest on the many-body system into the light and then to store coherently such information into an external system acting as a quantum memory. Correlations of the observable at two (or more) instances of time are retrieved with a single final measurement that includes the readout of the quantum memory. Such a method brings to reach the study of dynamics of many-body systems in and out of equilibrium by means of quantum memories in the field of quantum simulators.
|Short Title||Phys. Rev. Lett.|