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Comptes Rendus de l Académie des Sciences - Series IV - Physics-Astrophysics

Quantum condensates

Uffe V. Poulsen, Klaus Mølmer

Published Jun 1, 2001• 1 citation
Publisher
DOI
10.1016/s1296-2147(01)01198-2

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Fermion-exciton condensates (FECs)---computationally and theoretically predicted states that simultaneously exhibit the character of superconducting states and exciton condensates---are novel quantum states whose properties may involve a hybridization of superconductivity and the dissipationless flow of energy. Here, we exploit prior investigations of superconducting states and exciton condensates on quantum devices to identify a tuneable quantum state preparation entangling the wave functions of the individual condensate states. Utilizing this state preparation, we prepare a variety of FEC states on quantum computers---realizing strongly correlated FEC states on current, noisy intermediate-scale quantum devices---and verify the presence of the dual condensate via postmeasurement analysis. This confirmation of the previously predicted condensate state on quantum devices as well as the form of its wave function motivates further theoretical and experimental exploration of the properties, applications, and stability of FECs.