Observation and analysis of the hyperfine structure of near-dissociation levels of the NaCs c Σ + 3 state below the dissociation limit 3S1/2 + 6P3/2

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Observation and analysis of the hyperfine structure of near-dissociation levels of the NaCs c Σ + 3 state below the dissociation limit 3S1/2 + 6P3/2. / Liu, Wenliang; Wu, Jizhou; Ma, Jie; Li, Peng; Sovkov, Vladimir B.; Xiao, Liantuan; Jia, Suotang.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 94, No. 3, 032518, 30.09.2016.

Research output: Contribution to journal › Article › peer-review

Author

Liu, Wenliang ; Wu, Jizhou ; Ma, Jie ; Li, Peng ; Sovkov, Vladimir B. ; Xiao, Liantuan ; Jia, Suotang. / Observation and analysis of the hyperfine structure of near-dissociation levels of the NaCs c Σ + 3 state below the dissociation limit 3S1/2 + 6P3/2. In: Physical Review A - Atomic, Molecular, and Optical Physics. 2016 ; Vol. 94, No. 3.

BibTeX

@article{0b8519ba5ac140aa8a3f26419d2b0c0b,

title = "Observation and analysis of the hyperfine structure of near-dissociation levels of the NaCs c Σ + 3 state below the dissociation limit 3S1/2 + 6P3/2",

abstract = "We report photoassociation (PA) of ultracold Na and Cs atoms in a dual-species magneto-optical trap. Trap loss spectroscopy of the ultracold polar NaCs molecules formed by PA, which carries information about relative PA transition strengths, has been experimentally obtained by using highly sensitive modulation spectroscopy technique. The fine and hyperfine effects at near-dissociation levels of NaCs molecular cΣ+3 state are observed and modeled. The interaction Hamiltonian is described in terms of the Hund's case (a) coupling scheme. The molecular hyperfine structure of near-dissociation levels is simulated within a simplified model of four interacting vibrational levels belonging to different initially unperturbed electronic states. The results of the simulation infer that the interaction parameters of the observed near-dissociation levels are close to the asymptotic parameters of the pair of atoms. The coupling of the electronic states is essential for forming the hyperfine structure.",

author = "Wenliang Liu and Jizhou Wu and Jie Ma and Peng Li and Sovkov, {Vladimir B.} and Liantuan Xiao and Suotang Jia",

note = "Funding Information: This work was supported by the State Key Development Program for Basic Research of China (Grant No. 2012CB921603), the Changjiang Scholars and Innovative Research Team in the University of the Ministry of Education of China (Grant No. IRT13076), National Natural Science Foundation of China (Grants No. 91436108, No. 61378014, No. 61308023, No. 61378015, No. 11402140, No. 11404197, and No. 11434007), Scientific Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20131401120012). Publisher Copyright: {\textcopyright} 2016 American Physical Society. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.",

year = "2016",

month = sep,

day = "30",

doi = "10.1103/PhysRevA.94.032518",

language = "English",

volume = "94",

journal = "Physical Review A - Atomic, Molecular, and Optical Physics",

issn = "1050-2947",

publisher = "American Physical Society",

number = "3",

}

RIS

TY - JOUR

T1 - Observation and analysis of the hyperfine structure of near-dissociation levels of the NaCs c Σ + 3 state below the dissociation limit 3S1/2 + 6P3/2

AU - Liu, Wenliang

AU - Wu, Jizhou

AU - Ma, Jie

AU - Li, Peng

AU - Sovkov, Vladimir B.

AU - Xiao, Liantuan

AU - Jia, Suotang

N1 - Funding Information: This work was supported by the State Key Development Program for Basic Research of China (Grant No. 2012CB921603), the Changjiang Scholars and Innovative Research Team in the University of the Ministry of Education of China (Grant No. IRT13076), National Natural Science Foundation of China (Grants No. 91436108, No. 61378014, No. 61308023, No. 61378015, No. 11402140, No. 11404197, and No. 11434007), Scientific Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20131401120012). Publisher Copyright: © 2016 American Physical Society. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.

PY - 2016/9/30

Y1 - 2016/9/30

N2 - We report photoassociation (PA) of ultracold Na and Cs atoms in a dual-species magneto-optical trap. Trap loss spectroscopy of the ultracold polar NaCs molecules formed by PA, which carries information about relative PA transition strengths, has been experimentally obtained by using highly sensitive modulation spectroscopy technique. The fine and hyperfine effects at near-dissociation levels of NaCs molecular cΣ+3 state are observed and modeled. The interaction Hamiltonian is described in terms of the Hund's case (a) coupling scheme. The molecular hyperfine structure of near-dissociation levels is simulated within a simplified model of four interacting vibrational levels belonging to different initially unperturbed electronic states. The results of the simulation infer that the interaction parameters of the observed near-dissociation levels are close to the asymptotic parameters of the pair of atoms. The coupling of the electronic states is essential for forming the hyperfine structure.

AB - We report photoassociation (PA) of ultracold Na and Cs atoms in a dual-species magneto-optical trap. Trap loss spectroscopy of the ultracold polar NaCs molecules formed by PA, which carries information about relative PA transition strengths, has been experimentally obtained by using highly sensitive modulation spectroscopy technique. The fine and hyperfine effects at near-dissociation levels of NaCs molecular cΣ+3 state are observed and modeled. The interaction Hamiltonian is described in terms of the Hund's case (a) coupling scheme. The molecular hyperfine structure of near-dissociation levels is simulated within a simplified model of four interacting vibrational levels belonging to different initially unperturbed electronic states. The results of the simulation infer that the interaction parameters of the observed near-dissociation levels are close to the asymptotic parameters of the pair of atoms. The coupling of the electronic states is essential for forming the hyperfine structure.

UR - http://www.scopus.com/inward/record.url?scp=84991578360&partnerID=8YFLogxK

U2 - 10.1103/PhysRevA.94.032518

DO - 10.1103/PhysRevA.94.032518

M3 - Article

VL - 94

JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

SN - 1050-2947

IS - 3

M1 - 032518

ER -

ID: 7590233