TY - JOUR
T1 - Entang-bling
T2 - Observing quantum correlations in room-temperature solids
AU - Walmsley, I. A.
AU - Lee, K. C.
AU - Sprague, MR
AU - Sussman, BJ
AU - Nunn, J.
AU - Langford, NK
AU - Jin, X-M
AU - Champion, T
AU - Michelberger, P
AU - Reim, KF
AU - England, DG
AU - Jaksch, D.
PY - 2013
Y1 - 2013
N2 - Quantum entanglement in the motion of macroscopic solid bodies has implications both for quantum technologies and foundational studies of the boundary between the quantum and classical worlds. Entanglement is usually fragile in room-temperature solids, owing to strong interactions both internally and with the noisy environment. We generated motional entanglement between vibrational states of two spatially separated, millimeter-sized diamonds at room temperature. By measuring strong nonclassical correlations between Raman-scattered photons, we showed that the quantum state of the diamonds has positive concurrence with 98% probability. Our results show that entanglement can persist in the classical context of moving macroscopic solids in ambient conditions.
AB - Quantum entanglement in the motion of macroscopic solid bodies has implications both for quantum technologies and foundational studies of the boundary between the quantum and classical worlds. Entanglement is usually fragile in room-temperature solids, owing to strong interactions both internally and with the noisy environment. We generated motional entanglement between vibrational states of two spatially separated, millimeter-sized diamonds at room temperature. By measuring strong nonclassical correlations between Raman-scattered photons, we showed that the quantum state of the diamonds has positive concurrence with 98% probability. Our results show that entanglement can persist in the classical context of moving macroscopic solids in ambient conditions.
UR - http://www.scopus.com/inward/record.url?scp=84881439564&partnerID=8YFLogxK
UR - https://doi.org/10.1088/1742-6596/442/1/012004
U2 - 10.1088/1742-6596/442/1/012004
DO - 10.1088/1742-6596/442/1/012004
M3 - Article
AN - SCOPUS:84881439564
SN - 1742-6588
VL - 442
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 1
M1 - 012004
ER -