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Quantum Information Processing

Micro–micro and micro–macro entanglement witnessing via the geometric phase in an impurity-doped Bose–Einstein condensate

  • 01-07-2022
Published in:
Authors
Xia Wu
Ya-Feng Jiao
Shao-Peng Jia
Ji Zhang
Cui-Lu Zhai
Le-Man Kuang
Published in
Quantum Information Processing | Issue 7/2022

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Abstract

The article delves into the detection of micro–micro and micro–macro entanglement in an impurity-doped Bose–Einstein condensate using the geometric phase of impurity qubits. It introduces a theoretical scheme to calculate the geometric phase and demonstrates its direct relation to quantum entanglement. The study explores both micro–micro entanglement between impurity qubits and micro–macro entanglement between impurity qubits and the BEC, highlighting the potential of geometric phase as a witness for entanglement in hybrid quantum systems. The article presents detailed calculations and theoretical insights, making it a valuable resource for specialists in quantum physics and quantum information science.
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Title
Micro–micro and micro–macro entanglement witnessing via the geometric phase in an impurity-doped Bose–Einstein condensate
Authors
Xia Wu
Ya-Feng Jiao
Shao-Peng Jia
Ji Zhang
Cui-Lu Zhai
Le-Man Kuang
Publication date
01-07-2022
Publisher
Springer US
Published in
Quantum Information Processing / Issue 7/2022
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-022-03567-w
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