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Quantum Physics

arXiv:2112.07978 (quant-ph)
[Submitted on 15 Dec 2021]

Title:Entanglement between superconducting qubits and a tardigrade

Authors:K. S. Lee, Y. P. Tan, L. H. Nguyen, R. P. Budoyo, K. H. Park,
C. Hufnagel, Y. S. Yap, N. Mobjerg, V. Vedral, T. Paterek, R. Dumke
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    Abstract: Quantum and biological systems are seldom discussed
    together as they seemingly demand opposing conditions. Life is
    complex, "hot and wet" whereas quantum objects are small, cold
    and well controlled. Here, we overcome this barrier with a
    tardigrade -- a microscopic multicellular organism known to
    tolerate extreme physiochemical conditions via a latent state of
    life known as cryptobiosis. We observe coupling between the
    animal in cryptobiosis and a superconducting quantum bit and
    prepare a highly entangled state between this combined system and
    another qubit. The tardigrade itself is shown to be entangled
    with the remaining subsystems. The animal is then observed to
    return to its active form after 420 hours at sub 10 mK
    temperatures and pressure of $6\times 10^{-6}$ mbar, setting a
    new record for the conditions that a complex form of life can
    survive.

Subjects: Quantum Physics (quant-ph); Biological Physics
          (physics.bio-ph)
Cite as:  arXiv:2112.07978 [quant-ph]
          (or arXiv:2112.07978v1 [quant-ph] for this version)

Submission history

From: Kaisheng Lee [view email]
[v1] Wed, 15 Dec 2021 09:09:49 UTC (1,737 KB)
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