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Manybody interferometry of quantum fluids.

Gabrielle Roberts1, Andrei Vrajitoarea1,2, Brendan Saxberg1

  • 1Department of Physics, University of Chicago, Chicago, IL, USA.

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This summary is machine-generated.

We developed manybody Ramsey interferometry to characterize quantum matter. This quantum computing approach entangles state preparation and characterization for enhanced information extraction about manybody eigenstates.

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Area of Science:

  • Quantum Science and Engineering
  • Quantum Information Science
  • Condensed Matter Physics

Background:

  • Characterizing strongly correlated quantum matter is challenging due to complex entanglement.
  • Integrating quantum state preparation and characterization offers a quantum advantage for information extraction.

Purpose of the Study:

  • To introduce a novel method, manybody Ramsey interferometry, for efficient quantum matter characterization.
  • To leverage quantum computing for probing complex quantum systems.

Main Methods:

  • Combined adiabatic state preparation and Ramsey spectroscopy.
  • Utilized a one-to-one mapping between computational-basis states and manybody eigenstates.
  • Employed an ancilla qubit to control superposition evolution and localize phase information via tomography.

Main Results:

  • Successfully prepared and characterized superpositions of manybody eigenstates.
  • Extracted information on excitation spectra and thermodynamic observables.
  • Demonstrated efficient information extraction from quantum matter.

Conclusions:

  • Manybody Ramsey interferometry provides a powerful tool for quantum matter studies.
  • Quantum computers can be effectively utilized to probe complex quantum phenomena.
  • Entangling state preparation and characterization unlocks quantum advantages in information extraction.