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@article{Caldwell:2020:10.1103/PhysRevLett.124.063001,
author = {Caldwell, L and Williams, H and Fitch, N and Aldegunde, J and Hutson, J and Sauer, B and Tarbutt, M},
doi = {10.1103/PhysRevLett.124.063001},
journal = {Physical Review Letters},
title = {Long rotational coherence times of molecules in a magnetic trap},
url = {http://dx.doi.org/10.1103/PhysRevLett.124.063001},
volume = {124},
year = {2020}
}

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TY  - JOUR
AB  - Polar molecules in superpositions of rotational states exhibit long-range dipolar interactions, but maintaining their coherence in a trapped sample is a challenge. We present calculations that show many laser-coolable molecules have convenient rotational transitions that are exceptionally insensitive to magnetic fi elds. We verify this experimentally for CaF where we  find a transition with sensitivity below 5 HzG‾¹ and use it to demonstrate a rotational coherence time of 6.4(8) ms in a magnetic trap. Simulations suggest it is feasible to extend this to > 1 s using a smaller cloud in abiased magnetic trap.
AU  - Caldwell,L
AU  - Williams,H
AU  - Fitch,N
AU  - Aldegunde,J
AU  - Hutson,J
AU  - Sauer,B
AU  - Tarbutt,M
DO  - 10.1103/PhysRevLett.124.063001
PY  - 2020///
SN  - 0031-9007
TI  - Long rotational coherence times of molecules in a magnetic trap
T2  - Physical Review Letters
UR  - http://dx.doi.org/10.1103/PhysRevLett.124.063001
UR  - http://hdl.handle.net/10044/1/75974
VL  - 124
ER  -

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