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Long-Range Interactions for Hydrogen Atoms in Excited D States. ATOMS 2022. [DOI: 10.3390/atoms10010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Pressure shifts inside an atomic beam are among the more theoretically challenging effects in high-precision measurements of atomic transitions. A crucial element in their theoretical analysis is the understanding of long-range interatomic interactions inside the beam. For excited reference states, the presence of quasi-degenerate states leads to additional challenges, due to the necessity to diagonalize large matrices in the quasi-degenerate hyperfine manifolds. Here, we focus on the interactions of hydrogen atoms in reference states composed of an excited nD state (atom A), and in the metastable 2S state (atom B). We devote special attention to the cases n=3 and n=8. For n=3, the main effect is generated by quasi-degenerate virtual P states from both atoms A and B and leads to experimentally relevant second-order long-range (van-der-Waals) interactions proportional to the sixth inverse power of the interatomic distance. For n=8, in addition to virtual states with two states of P symmetry, one needs to take into account combined virtual P and F states from atoms A and B. The numerical value of the so-called C6 coefficients multiplying the interaction energy was found to grow with the principal quantum number of the reference D state; it was found to be of the order of 1011 in atomic units. The result allows for the calculation of the pressure shift inside atomic beams while driving transitions to nD states.
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Nguyen NA, Dey BK, Shapiro M, Brumer P. Coherent Control in Nanolithography: Rydberg Atoms. J Phys Chem A 2004. [DOI: 10.1021/jp040035b] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nam A. Nguyen
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
| | - Bijoy K. Dey
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
| | - Moshe Shapiro
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
| | - Paul Brumer
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
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Ye J, Yoon TH, Hall JL, Madej AA, Bernard JE, Siemsen KJ, Marmet L, Chartier JM, Chartier A. Accuracy comparison of absolute optical frequency measurement between harmonic-generation synthesis and a frequency-division femtosecond comb. PHYSICAL REVIEW LETTERS 2000; 85:3797-3800. [PMID: 11041930 DOI: 10.1103/physrevlett.85.3797] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2000] [Indexed: 05/23/2023]
Abstract
Using an iodine-stabilized He-Ne laser as a transfer oscillator, we compare absolute measurements of the optical frequency from a traditional frequency synthesis chain based on harmonic generation and from the frequency division technique of an ultrawide bandwidth femtosecond frequency comb. The agreement between these two measurements, both linked to the Cs standard, is 220+/-770 Hz, yielding a measurement accuracy of 1.6x10(-12). We report 473 612 353 604.8+/-1.2 kHz as a preliminary updated value of the absolute frequency of the " f" component for the He-Ne laser international standard at 633 nm.
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Affiliation(s)
- J Ye
- JILA, University of Colorado and National Institute of Standards and Technology, Boulder, Colorado 80309-0440, USA
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King FW. Progress on high precision calculations for the ground state of atomic lithium. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0166-1280(97)90265-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Pfister O, Mürtz M, Wells JS, Hollberg L, Murray JT. Division by 3 of optical frequencies by use of difference-frequency generation in noncritically phase-matched RbTiOAsO(4). OPTICS LETTERS 1996; 21:1387-1389. [PMID: 19876361 DOI: 10.1364/ol.21.001387] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A new scheme for coherently connecting optical frequencies in a 3:1 ratio has been demonstrated. To phase lock a Nd:YAG laser at 1064 nm with a CO overtone laser at 3192 nm, we generated their difference frequency in RbTiOAsO(4) (RTA) and beat it against the second harmonic of 3192 nm that was generated in AgGaSe(2).
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Kinoshita T, Nio M. Radiative corrections to the muonium hyperfine structure: The alpha 2(Z alpha ) correction. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1996; 53:4909-4929. [PMID: 10020487 DOI: 10.1103/physrevd.53.4909] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Stevens GD, Iu C, Bergeman T, Metcalf HJ, Seipp I, Taylor KT, Delande D. Precision measurements on lithium atoms in an electric field compared with R-matrix and other Stark theories. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1996; 53:1349-1366. [PMID: 9913024 DOI: 10.1103/physreva.53.1349] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Bourzeix S, Nez F, Plimmer MD, Julien L, Biraben F, Stacey DN. High resolution spectroscopy of the hydrogen atom: Determination of the 1S Lamb shift. PHYSICAL REVIEW LETTERS 1996; 76:384-387. [PMID: 10061443 DOI: 10.1103/physrevlett.76.384] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Schnatz H, Lipphardt B, Helmcke J, Riehle F, Zinner G. First phase-coherent frequency measurement of visible radiation. PHYSICAL REVIEW LETTERS 1996; 76:18-21. [PMID: 10060423 DOI: 10.1103/physrevlett.76.18] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Marin F, Minardi F, Pavone FS, Inguscio M, Drake GWF. Hyperfine structure of the 33 P state of3He and isotope shift for the 23 S-33 P 0 transition. ACTA ACUST UNITED AC 1995. [DOI: 10.1007/bf01437272] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Farnham DL, Van Dyck RS, Schwinberg PB. Determination of the electron's atomic mass and the proton/electron mass ratio via Penning trap mass spectroscopy. PHYSICAL REVIEW LETTERS 1995; 75:3598-3601. [PMID: 10059680 DOI: 10.1103/physrevlett.75.3598] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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12
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Stevens GD, Iu C, Bergeman T, Metcalf HJ, Seipp I, Taylor KT, Delande D. Absolute calibration of electric fields using Stark spectroscopy. PHYSICAL REVIEW LETTERS 1995; 75:3402-3405. [PMID: 10059577 DOI: 10.1103/physrevlett.75.3402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Wynands R, Coste O, Rembeand C, Meschede D. How accurate is optical second-harmonic generation? OPTICS LETTERS 1995; 20:1095-1097. [PMID: 19859436 DOI: 10.1364/ol.20.001095] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We have checked whether the frequency ratio between fundamental and second-harmonic optical frequencies is exactly 1:2 by measuring the frequency difference between the second harmonics of two diode lasers and comparing it with the frequency difference of the fundamentals. We have improved the 30-year-old experimental limit on the accuracy of the 1:2 frequency ratio by 7 orders of magnitude for frequency-dependent shifts to 2.3 parts in 10(13) for a KNbO(3) crystal.
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Schmidt-Kaler F, Leibfried D, Seel S, Zimmermann C, König W, Weitz M, Hänsch TW. High-resolution spectroscopy of the 1S-2S transition of atomic hydrogen and deuterium. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1995; 51:2789-2800. [PMID: 9911910 DOI: 10.1103/physreva.51.2789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Pavone FS, Marin F, Inguscio M, Biraben F. First pure frequency measurement of an optical transition in helium: Lamb shift on the 2(3)S1 metastable level. PHYSICAL REVIEW LETTERS 1994; 73:42-45. [PMID: 10056715 DOI: 10.1103/physrevlett.73.42] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Kinoshita T, Nio M. Improved theory of the muonium hyperfine structure. PHYSICAL REVIEW LETTERS 1994; 72:3803-3806. [PMID: 10056301 DOI: 10.1103/physrevlett.72.3803] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Cox H, Smith SJ, Sutcliffe BT. Some calculations on the ground and lowest-triplet state of the helium isoelectronic sequence with the nucleus in motion. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1994; 49:4533-4539. [PMID: 9910769 DOI: 10.1103/physreva.49.4533] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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Shiner D, Dixson R, Zhao P. Precise measurement of the Lamb shift and fine structure of the 2S-2P transition in triplet helium. PHYSICAL REVIEW LETTERS 1994; 72:1802-1805. [PMID: 10055708 DOI: 10.1103/physrevlett.72.1802] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Weitz M, Huber A, Schmidt-Kaler F, Leibfried D, Hänsch TW. Precision measurement of the hydrogen and deuterium 1 S ground state Lamb shift. PHYSICAL REVIEW LETTERS 1994; 72:328-331. [PMID: 10056403 DOI: 10.1103/physrevlett.72.328] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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