Observation of Magnetically Induced Trap Loss of Ultracold Thulium Atoms

E.S. Kalganova; G.A. Vishnyakova; A.A. Golovizin; D.O. Tregubov; D.D. Sukachev; A.V. Akimov; N.N. Kolachevsky; K.Yu. Khabarova; V.N. Sorokin

doi:10.1051/epjconf/201510306003

All issues

Volume 103 (2015)

EPJ Web of Conferences, 103 (2015) 06003

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 103, 2015 XII International Workshop on Quantum Optics (IWQO-2015)


Article Number		06003
Number of page(s)		2
Section		Atomic Optics and Nanophotonics
DOI		https://doi.org/10.1051/epjconf/201510306003
Published online		25 September 2015

EPJ Web of Conferences 103, 06003 (2015)
https://doi.org/10.1051/epjconf/201510306003

Observation of Magnetically Induced Trap Loss of Ultracold Thulium Atoms

E.S. Kalganova¹^,2^,3^a, G.A. Vishnyakova¹^,2^,3, A.A. Golovizin¹^,2^,3, D.O. Tregubov¹^,2^,3, D.D. Sukachev¹^,3, A.V. Akimov¹^,2^,3, N.N. Kolachevsky¹^,2^,3, K.Yu. Khabarova¹^,2^,3 and V.N. Sorokin¹^,2^,3

¹ Lebedev Physical Institute RAS, 119991, 53 Leninskiy Ave, Moscow, Russia
² Moscow Institute of Physics and Technology 141700, 9 Institutsky per., Dolgoprudny, Russia
³ Russian Quantum Center 143025, 100 Novaya St., Skolkovo, Moscow, Russia

^a Corresponding author: kalganova.elena@gmail.com

Published online: 25 September 2015

Abstract

We report the observation of influence of homogeneous magnetic field on an optical lattice losses of ultracold thulium atoms. The atomic cloud temperature was T = 15 mK. The dependence of trap population on a value of magnetic field has a broad resonance in the low-field region with a center at B = 0.4 G. We also have measured a decrease of optical lattice lifetime in a presence of resonance magnetic field. The observed magnetically-induced trap losses are assumed to be Feshbach resonance which is a dependence of an atomic scattering length on magnetic field.

Key words: ultracold atoms / Feshbach resonance

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