Journal
PHYSICAL REVIEW LETTERS
Volume 125, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.200501
Keywords
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Categories
Funding
- European Union [817482, 731473]
- Simons Foundation [651440]
- Austrian Academy of Sciences via the Innovation Fund 'Research, Science and Society'
- SFB BeyondC [F7107-N38]
- Austrian Science Fund (FWF) [DKALM: W1259-N27]
- Kortschak Scholars Program
- U.S. Department of Energy [DE-SC0020290]
- U.S. Army Research Office [W911NF-18-1-0103]
- U.S. National Science Foundation [PHY-1733907]
- European Research Council [758329, 771536]
- Italian Ministry of Education
- Austrian Science Foundation (FWF) [P. 32597N]
- U.S. Department of Energy (DOE) [DE-SC0020290] Funding Source: U.S. Department of Energy (DOE)
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We propose a method for detecting bipartite entanglement in a many-body mixed state based on estimating moments of the partially transposed density matrix. The estimates are obtained by performing local random measurements on the state, followed by postprocessing using the classical shadows framework. Our method can be applied to any quantum system with single-qubit control. We provide a detailed analysis of the required number of experimental runs, and demonstrate the protocol using existing experimental data [Brydges et al., Science 364, 260 (2019)].
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