- Dmitry Glazov, Dmitrii V. Zinenko, Valentin Agababaev, Artyom D. Moshkin, Elizaveta Tryapitsyna, Anna Volchkova, Аndrey Volotka, "g Factor of Few-Electron Highly Charged Ions", Atoms, vol. 11, pp. 119, 2023, [DOI: 10.3390/atoms11090119] [SJR: 0.49]
- D. V. Zinenko, D. A. Glazov, V. P. Kosheleva, Аndrey Volotka, Stephan Fritzsche, "Electron correlation effects on the g factor of lithiumlike ions", Physical Review A, vol. 107, 2023, [DOI: 10.1103/physreva.107.032815] [IF: 2.97, SJR: 1.18]
- Wilko Middents, Günter Weber, Alexandre Gumberidze, Christoph Hahn, Thomas Krings, Nikolaus Kurz, Philip Pfäfflein, Norbert Schell, Uwe Spillmann, Sophia Strnat, Marco Vockert, Аndrey Volotka, Andrey Surzhykov, Thomas Stöhlker, "Angle-differential cross sections for Rayleigh scattering of highly linearly polarized hard x rays on Au atoms", Physical Review A, vol. 107, 2023, [DOI: 10.1103/physreva.107.012805] [IF: 2.97, SJR: 1.18]
- Аndrey Volotka, S. X. Wang, Z. K. Huang, W. Q. Wen, "Determination of the 2s22p5−2s2p6 transition energy in fluorine-like nickel utilizing a low-lying dielectronic resonance", Physical Review A, vol. 106, 2022, [DOI: 10.1103/PhysRevA.106.042808] [IF: 2.97, SJR: 1.18]
- J. Hofbrucker, S. Ramakrishna, Аndrey Volotka, Stephan Fritzsche, "Polarization effects in the total rate of biharmonic ω + 3ω ionization of atoms", Physical Review A, vol. 106, 2022, [DOI: 10.1103/physreva.106.013118] [IF: 2.97, SJR: 1.18]
- R. N. Soguel, Аndrey Volotka, Stephan Fritzsche, "QED approach to valence-hole excitation in closed-shell systems", Physical Review A, vol. 106, 2022, [DOI: 10.1103/physreva.106.012802] [IF: 2.97, SJR: 1.18]
- Tim Sailer, Vincent Debierre, Zoltán Harman, Fabian Heiße, Charlotte König, Jonathan Morgner, Bingsheng Tu, Аndrey Volotka, Christoph H. Keitel, Klaus Blaum, Sven Sturm, "Measurement of the bound-electron g-factor difference in coupled ions", Nature, vol. 606, pp. 479-483, 2022, [DOI: 10.1038/s41586-022-04807-w] [IF: 69.50, SJR: 17.90]
- V. P. Kosheleva, Аndrey Volotka, D. A. Glazov, D. V. Zinenko, Stephan Fritzsche, "g Factor of Lithiumlike Silicon and Calcium: Resolving the Disagreement between Theory and Experiment", Physical Review Letters, vol. 128, 2022, [DOI: 10.1103/physrevlett.128.103001] [IF: 9.19, SJR: 3.25]
- Аndrey Volotka, Dmitrii Samoilenko, Stephan Fritzsche, Valeriy G. Serbo, Andrey Surzhykov, "Polarization of Photons Scattered by Ultra‐Relativistic Ion Beams", Annalen der Physik, vol. 534, pp. 2100252, 2022, [DOI: 10.1002/andp.202100252] [IF: 3.05, SJR: 0.70]
- J. Sommerfeldt, V. A. Yerokhin, R. A. Müller, V. A. Zaytsev, Аndrey Volotka, A. Surzhykov, "Calculations of Delbrück scattering to all orders in αZ", Physical Review A, vol. 105, 2022, [DOI: 10.1103/physreva.105.022804] [IF: 2.97, SJR: 1.18]
- J. Fan, J. Hofbrucker, Аndrey Volotka, S. Fritzsche, "Relativistic calculations of two-color two-photon K-shell ionization", The European Physical Journal D, vol. 76, 2022, [DOI: 10.1140/epjd/s10053-021-00334-x] [IF: 1.43, SJR: 0.42]
- Wilko Middents, Günter Weber, Uwe Spillmann, Thomas Krings, Marco Vockert, Аndrey Volotka, Andrey Surzhykov, Thomas Stöhlker, "Possible Polarization Measurements in Elastic Scattering at the Gamma Factory Utilizing a 2D Sensitive Strip Detector as Dedicated Compton Polarimeter", Annalen der Physik, pp. 2100285, 2021, [DOI: 10.1002/andp.202100285] [IF: 3.05, SJR: 0.70]
- X. P. Zhou, W. Q. Wen, Q. F. Lu, C. L. Yan, G. Q. Xu, J. Xiao, Аndrey Volotka, Y. S. Kozhedub, M. Y. Kaygorodov, Z. K. Huang, W. L. Ma, S. X. Wang, X. Ma, "Precision measurements of the 2P1/2−2P3/2 fine-structure splitting in B-like S11+ and Cl12+", Physical Review A, vol. 104, 2021, [DOI: 10.1103/physreva.104.062804] [IF: 2.97, SJR: 1.18]
- Аndrey Volotka, J. Hofbrucker, S. Fritzsche, "Steering of circular dichroism in biharmonic ionization of atoms", Physical Review A, vol. 104, 2021, [DOI: 10.1103/physreva.104.l031103] [IF: 2.97, SJR: 1.18]
- Valeriy G. Serbo, Andrey Surzhykov, Аndrey Volotka, "Resonant Scattering of Plane‐Wave and Twisted Photons at the Gamma Factory", Annalen der Physik, pp. 2100199, 2021, [DOI: 10.1002/andp.202100199] [IF: 3.05, SJR: 0.70]
- J. Hofbrucker, B. Böning, Аndrey Volotka, S. Fritzsche, "Elliptical dichroism in biharmonic ionization of atoms", Physical Review A, vol. 104, 2021, [DOI: 10.1103/physreva.104.013102] [IF: 2.97, SJR: 1.18]
- Romain N. Soguel, Аndrey Volotka, Dmitry A. Glazov, Stephan Fritzsche, "Many-Electron QED with Redefined Vacuum Approach", Symmetry, vol. 13, pp. 1014, 2021, [DOI: 10.3390/sym13061014] [IF: 2.71, SJR: 0.39]
- R. N. Soguel, Аndrey Volotka, E. V. Tryapitsyna, D. A. Glazov, V. P. Kosheleva, S. Fritzsche, "Redefined vacuum approach and gauge-invariant subsets in two-photon-exchange diagrams for a closed-shell system with a valence electron", Physical Review A, vol. 103, 2021, [DOI: 10.1103/physreva.103.042818] [IF: 2.97, SJR: 1.18]
- S. Strnat, V. A. Yerokhin, Аndrey Volotka, G. Weber, S. Fritzsche, R. A. Müller, A. Surzhykov, "Polarization studies on Rayleigh scattering of hard x rays by closed-shell atoms", Physical Review A, vol. 103, 2021, [DOI: 10.1103/physreva.103.012801] [IF: 2.97, SJR: 1.18]
- Q. Lu, C. L. Yan, G. Q. Xu, N. Fu, Y. Yang, Y. Zou, Аndrey Volotka, J. Xiao, N. Nakamura, R. Hutton, "Direct measurements for the fine-structure splitting of S viii and Cl ix", Physical Review A, vol. 102, 2020, [DOI: 10.1103/physreva.102.042817] [IF: 3.14, SJR: 1.39]
- Аndrey Volotka, A. Surzhykov, S. Fritzsche, "Rayleigh scattering of linearly polarized light: Scenario of the complete experiment", Physical Review A, vol. 102, 2020, [DOI: 10.1103/physreva.102.042814] [IF: 3.14, SJR: 1.39]
- J. Sommerfeldt, R. A. Müller, Аndrey Volotka, S. Fritzsche, A. Surzhykov, "Vacuum polarization and finite-nuclear-size effects in the two-photon decay of hydrogenlike ions", Physical Review A, vol. 102, 2020, [DOI: 10.1103/physreva.102.042811] [IF: 3.14, SJR: 1.39]
- J. Hofbrucker, Аndrey Volotka, J. Szlachetko, S. Fritzsche, "Enhanced polarization transfer to the characteristic Lα x-ray lines near the nonlinear Cooper minimum of two-photon ionization", Physical Review A, vol. 102, 2020, [DOI: 10.1103/physreva.102.042807] [IF: 3.14, SJR: 1.39]
- Jiri Hofbrucker, Latifeh Eiri, Аndrey Volotka, Stephan Fritzsche, "Photoelectron Angular Distributions of Nonresonant Two-Photon Atomic Ionization Near Nonlinear Cooper Minima", Atoms, vol. 8, pp. 54, 2020, [DOI: 10.3390/atoms8030054] [SJR: 0.61]
- J Hofbrucker, Аndrey Volotka, S Fritzsche, "Nonlinear Cooper minimum as a precise tool for understanding multiphoton photoionization", Journal of Physics: Conference Series, vol. 1412, pp. 152017, 2020, [DOI: 10.1088/1742-6596/1412/15/152017] [SJR: 0.21]
- Dmitrii Samoilenko, Аndrey Volotka, Stephan Fritzsche, "Elastic Photon Scattering on Hydrogenic Atoms near Resonances", Atoms, vol. 8, pp. 12, 2020, [DOI: 10.3390/atoms8020012] [SJR: 0.61]
- V. P. Kosheleva, Аndrey Volotka, D. A. Glazov, S. Fritzsche, "Many-electron effects in the hyperfine splitting of lithiumlike ions", Physical Review Research, vol. 2, 2020, [DOI: 10.1103/physrevresearch.2.013364]
- J. Hofbrucker, Аndrey Volotka, S. Fritzsche, "Breakdown of the electric dipole approximation at Cooper minima in direct two-photon ionisation", Scientific Reports, vol. 10, 2020, [DOI: 10.1038/s41598-020-60206-z] [IF: 4.38, SJR: 1.24]
- V. A. Agababaev, D. A. Glazov, Аndrey Volotka, D. V. Zinenko, V. M. Shabaev, G. Plunien, "gfactor of the[(1s)2(2s)22p]2P3/2state of middle-Zboronlike ions", X-Ray Spectrometry, vol. 49, pp. 143-148, 2020, [DOI: 10.1002/xrs.3074] [IF: 1.49, SJR: 0.45]
- D. A. Glazov, F. Köhler-Langes, Аndrey Volotka, K. Blaum, F. Heiße, G. Plunien, W. Quint, S. Rau, V. M. Shabaev, S. Sturm, G. Werth, "g Factor of Lithiumlike Silicon: New Challenge to Bound-State QED", Physical Review Letters, vol. 123, 2019, [DOI: 10.1103/physrevlett.123.173001] [IF: 8.39, SJR: 3.59]
- V. A. Zaytsev, Аndrey Volotka, D. Yu, S. Fritzsche, X. Ma, H. Hu, V. M. Shabaev, "Ab initio QED Treatment of the Two-Photon Annihilation of Positrons with Bound Electrons", Physical Review Letters, vol. 123, 2019, [DOI: 10.1103/physrevlett.123.093401] [IF: 8.39, SJR: 3.59]
- Аndrey Volotka, M. Bilal, R. Beerwerth, X. Ma, Th. Stöhlker, S. Fritzsche, "QED radiative corrections to the P1/22−P3/22 fine structure in fluorinelike ions", Physical Review A, vol. 100, 2019, [DOI: 10.1103/physreva.100.010502] [IF: 2.78, SJR: 1.42]
- J. Hofbrucker, Аndrey Volotka, S. Fritzsche, "Fluorescence polarization as a precise tool for understanding nonsequential many-photon ionization", Physical Review A, vol. 100, 2019, [DOI: 10.1103/physreva.100.011401] [IF: 2.78, SJR: 1.42]
- I. Arapoglou, A. Egl, M. Höcker, T. Sailer, B. Tu, A. Weigel, R. Wolf, H. Cakir, V. A. Yerokhin, N. S. Oreshkina, V. A. Agababaev, Аndrey Volotka, D. V. Zinenko, D. A. Glazov, Z. Harman, C. H. Keitel, S. Sturm, K. Blaum, "g Factor of Boronlike Argon Ar4013+", Physical Review Letters, vol. 122, 2019, [DOI: 10.1103/physrevlett.122.253001] [IF: 8.39, SJR: 3.59]
- M. Bilal, Аndrey Volotka, R. Beerwerth, J. Rothhardt, V. Hilbert, S. Fritzsche, "High-precision calculations of the 1s22s2p P11→1s22s2 S01 spin-allowed E1 transition in C iii", Physical Review A, vol. 99, 2019, [DOI: 10.1103/physreva.99.062511] [IF: 2.78, SJR: 1.42]
- D. A. Glazov, Аndrey Volotka, O. V. Andreev, V. P. Kosheleva, S. Fritzsche, V. M. Shabaev, G. Plunien, Th. Stöhlker, "Ground-state hyperfine splitting of B-like ions in the high-Z region", Physical Review A, vol. 99, 2019, [DOI: 10.1103/physreva.99.062503] [IF: 2.78, SJR: 1.42]
- J. Rothhardt, M. Bilal, R. Beerwerth, Аndrey Volotka, V. Hilbert, T. Stöhlker, S. Fritzsche, J. Limpert, "Lifetime measurements of ultrashort‐lived excited states in Be‐like ions", X-Ray Spectrometry, vol. 49, pp. 165-168, 2019, [DOI: 10.1002/xrs.3079] [IF: 1.25, SJR: 0.36]
- W. Nörtershäuser, J. Ullmann, L. V. Skripnikov, Z. Andelkovic, C. Brandau, A. Dax, W. Geithner, C. Geppert, C. Gorges, M. Hammen, V. Hannen, S. Kaufmann, K. König, F. Kraus, B. Kresse, Y. A. Litvinov, M. Lochmann, B. Maaß, J. Meisner, T. Murböck, A. F. Privalov, R. Sánchez, B. Scheibe, M. Schmidt, S. Schmidt, V. M. Shabaev, M. Steck, T. Stöhlker, R. C. Thompson, C. Trageser, M. Vogel, J. Vollbrecht, Аndrey Volotka, C. Weinheimer, "The hyperfine puzzle of strong-field bound-state QED", Hyperfine Interactions, vol. 240, 2019, [DOI: 10.1007/s10751-019-1569-8] [SJR: 0.29]
- Robert A. Müller, Аndrey Volotka, Andrey Surzhykov, "Excitation of the Th229 nucleus via a two-photon electronic transition", Physical Review A, vol. 99, 2019, [DOI: 10.1103/physreva.99.042517] [IF: 2.78, SJR: 1.42]
- V A Agababaev, D A Glazov, Аndrey Volotka, D V Zinenko, V M Shabaev, G Plunien, "Ground-state g factor of middle-Z boronlike ions", Journal of Physics: Conference Series, vol. 1138, pp. 012003, 2018, [DOI: 10.1088/1742-6596/1138/1/012003] [IF: 0.55, SJR: 0.21]
- A. Surzhykov, V. A. Yerokhin, S. Fritzsche, Аndrey Volotka, "Diagnostics of polarization purity of x rays by means of Rayleigh scattering", Physical Review A, vol. 98, 2018, [DOI: 10.1103/physreva.98.053403] [IF: 2.91, SJR: 1.27]
- J. S. M. Ginges, Аndrey Volotka, "Testing atomic wave functions in the nuclear vicinity: The hyperfine structure with empirically deduced nuclear and quantum electrodynamic effects", Physical Review A, vol. 98, 2018, [DOI: 10.1103/physreva.98.032504] [IF: 2.91, SJR: 1.27]
- Robert A. Müller, Anna V. Maiorova, Stephan Fritzsche, Аndrey Volotka, Randolf Beerwerth, Przemyslaw Glowacki, Johannes Thielking, David-Marcel Meier, Maksim Okhapkin, Ekkehard Peik, Andrey Surzhykov, "Hyperfine interaction with the ^{229}Th nucleus and its low-lying isomeric state", Physical Review A, vol. 98, 2018, [DOI: 10.1103/physreva.98.020503] [IF: 2.91, SJR: 1.27]
- J. Hofbrucker, Аndrey Volotka, S. Fritzsche, "Maximum Elliptical Dichroism in Atomic Two-Photon Ionization", Physical Review Letters, vol. 121, 2018, [DOI: 10.1103/physrevlett.121.053401] [IF: 9.23, SJR: 3.57]
- M. M. Günther, Аndrey Volotka, M. Jentschel, S. Fritzsche, Th. Stöhlker, P. G. Thirolf, M. Zepf, "Dispersive refraction of different light to heavy materials at MeV γ-ray energies", Physical Review A, vol. 97, 2018, [DOI: 10.1103/physreva.97.063843] [IF: 2.91, SJR: 1.27]
- M. Bilal, Андрей Волотка, R. Beerwerth, S. Fritzsche, "Line strengths of QED-sensitive forbidden transitions in B-, Al-, F- and Cl-like ions", Physical Review A, vol. 97, 2018, [DOI: 10.1103/physreva.97.052506] [IF: 2.91, SJR: 1.27]
- Biplab Goswami, Аndrey Volotka, Stephan Fritzsche, "Influence of a stray magnetic field on the measurement of long-range spin-spin interaction", Journal of Physics Communications, vol. 2, pp. 055025, 2018, [DOI: 10.1088/2399-6528/aac445]
- V. A. Agababaev, D. A. Glazov, A. M. Volchkova, Аndrey Volotka, V. M. Shabaev, G. Plunien, "Interelectronic-interaction contribution to the nonlinear Zeeman effect in boronlike ions", Physical Review A, vol. 97, 2018, [DOI: 10.1103/physreva.97.043402] [IF: 2.91, SJR: 1.27]
- Leonid V. Skripnikov, Stefan Schmidt, Johannes Ullmann, Christopher Geppert, Florian Kraus, Benjamin Kresse, Wilfried Nörtershäuser, Alexei F. Privalov, Benjamin Scheibe, Vladimir M. Shabaev, Michael Vogel, Аndrey Volotka, "New Nuclear Magnetic Moment of 209Bi: Resolving the Bismuth Hyperfine Puzzle", Physical Review Letters, vol. 120, 2018, [DOI: 10.1103/PhysRevLett.120.093001] [IF: 9.23, SJR: 3.57]
- Leonid V. Skripnikov, Stefan Schmidt, Johannes Ullmann, Christopher Geppert, Florian Kraus, Benjamin Kresse, Wilfried Nörtershäuser, Alexei F. Privalov, Benjamin Scheibe, Vladimir M. Shabaev, Michael Vogel, Аndrey Volotka, "New nuclear magnetic moment of ^{209}Bi: resolving the bismuth hyperfine puzzle", Physical Review Letters, vol. 120, 2018, [DOI: doi.org/10.1103/PhysRevLett.120.093001] [IF: 9.23, SJR: 3.57]
- S. Schmidt, J. Billowes, M.L. Bissell, K. Blaum, R.F. Garcia Ruiz, H. Heylen, S. Malbrunot-Ettenauer, G. Neyens, W. Nörtershäuser, G. Plunien, S. Sailer, V.M. Shabaev, L.V. Skripnikov, I.I. Tupitsyn, Аndrey Volotka, X.F. Yang, "The nuclear magnetic moment of 208Bi and its relevance for a test of bound-state strong-field QED", Physics Letters B, vol. 779, pp. 324-330, 2018, [DOI: 10.1016/j.physletb.2018.02.024] [IF: 4.16, SJR: 1.81]
- A. A. Peshkov, Аndrey Volotka, A. Surzhykov, S. Fritzsche, "Rayleigh scattering of twisted light by hydrogenlike ions", Physical Review A, vol. 97, 2018, [DOI: 10.1103/physreva.97.023802] [IF: 2.91, SJR: 1.27]