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Issue 12, 2025
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PACS numbers

03.67.−a Quantum information 03.67.Lx Quantum computation architectures and implementations 32.30.−r Atomic spectra 37.10.De Atom cooling methods 37.10.Ty Ion trapping 42.62.Fi Laser spectroscopy
  1. R.A. Akhmedzhanov, Yu.Yu. Balega et al “Quantum repeaters: current research trends and latest achievements” Phys. Usp. 68 857–882 (2025)
    03.65.Ud, 03.67.−a, 42.50.Ex (all)
  2. I.V. Zalivako, N.V. Semenin et al “Quantum computing with trapped ions: principles, achievements, and prospects” Phys. Usp. 68 552–583 (2025)
    03.67.−a, 03.67.Lx, 32.30.−r, 37.10.De, 37.10.Ty, 42.62.Fi (all)
  3. S.A. Moiseev, M.M. Minnegaliev et al “Optical quantum memory in atomic ensembles: physical principles, experiments, and potential of application in a quantum repeater” Phys. Usp. 68 431–451 (2025)
    03.67.−a, 42.40.Md, 42.50.Ex (all)
  4. G.N. Makarov “Laser separation of boron isotopes: research results and options for technological implementation” Phys. Usp. 68 452–489 (2025)
    07.77.Gx, 28.60.+s, 33.80.−b, 36.40.−c, 42.62.−b, 42.62.Fi, 82.50.Bc (all)
  5. A.E. Afanasiev, P.I. Skakunenko et al “Atom chip” Phys. Usp. 67 1084–1094 (2024)
    07.07.Df, 37.10.De, 37.10.Gh (all)
  6. D.I. Provorchenko, D.O. Tregubov et al “Laser cooling of thulium atoms to ground vibrational state in an optical lattice” Phys. Usp. 67 1119–1128 (2024)
    06.20.−f, 37.10.De, 37.10.Jk (all)
  7. P.A. Forsh, S.Yu. Stremoukhov et al “Quantum memristors: a new approach to neuromorphic computing” Phys. Usp. 67 855–865 (2024)
    03.67.−a, 42.50.Dv, 85.25.Cp (all)
  8. A.K. Fedorov, E.O. Kiktenko, N.N. Kolachevsky “Computable and noncomputable in the quantum domain: statements and conjectures” Phys. Usp. 67 906–911 (2024)
    03.67.Ac, 03.67.Lx, 42.50.Dv (all)
  9. I.M. Arbekov, S.N. Molotkov “Quantum random number generators, extraction of provably random bit sequences from Markov chain trajectories” Phys. Usp. 67 919–937 (2024)
    02.50.−r, 03.67.−a, 42.50.Ex (all)
  10. A.P. Alodjants, D.V. Tsarev et al “Quantum optical metrology” Phys. Usp. 67 668–693 (2024)
    03.67.−a, 06.20.−f, 42.50.−p, 42.50.Dv (all)
  11. G.N. Makarov “New approaches to molecular laser separation of uranium isotopes” Phys. Usp. 67 44–54 (2024)
    07.77.Gx, 28.60.+s, 33.80-b, 36.40.−c, 42.62.−b, 42.62.Fi, 82.50.Bc (all)
  12. A.K. Fedorov, E.O. Kiktenko et al “Quantum entanglement, teleportation, and randomness: Nobel Prize in Physics 2022” Phys. Usp. 66 1095–1104 (2023)
    03.65.Ud, 03.67.−a, 42.50.Dv (all)
  13. K.Yu. Khabarova, I.V. Zalivako, N.N. Kolachevsky “Methods of quantum logic in ion frequency standards, quantum computers, and modern spectroscopy” Phys. Usp. 65 1217–1223 (2022)
    03.67.−a, 42.50.−p, 42.62.Eh (all)
  14. G.N. Makarov “Towards molecular laser separation of uranium isotopes” Phys. Usp. 65 531–566 (2022)
    07.77.Gx, 28.60.+s, 33.80.−b, 36.40.−c, 42.62.−b, 42.62.Fi, 82.50.Bc (all)
  15. V.A. Vozhakov, M.V. Bastrakova et al “State control in superconducting quantum processors” Phys. Usp. 65 421–439 (2022)
    03.67.Lx, 03.75.Lm, 42.50.Dv, 85.25.Cp (all)
  16. D.D. Sukachev “Large quantum networks” Phys. Usp. 64 1021–1037 (2021)
    03.65.Ud, 03.67.−a, 42.50.Ex (all)
  17. K.Yu. Khabarova, N.N. Kolachevsky “Proton charge radius” Phys. Usp. 64 1038–1048 (2021)
    06.20.Jr, 06.30.Ft, 12.20.Fv, 32.10.Fn, 32.30.Jc, 42.62.Fi (all)
  18. A.S. Trushechkin, E.O. Kiktenko et al “Security of the decoy state method for quantum key distribution” Phys. Usp. 64 88–102 (2021)
    03.67.−a, 03.67.Dd, 03.67.Hk (all)
  19. A.M. Zheltikov, M.O. Scully “Photon entanglement for life-science imaging: rethinking the limits of the possible” Phys. Usp. 63 698–707 (2020)
    03.65.−w, 03.65.Ta, 03.65.Ud, 03.65.Yz, 03.67.−a, 32.80.Qk (all)
  20. G.N. Makarov “New results for laser isotope separation using low-energy methods” Phys. Usp. 63 245–268 (2020)
    07.77.Gx, 33.80.−b, 36.40.−c, 42.62.−b, 42.62.Fi, 82.40.Fp, 82.50.Bc (all)
  21. T.A. Isaev “Direct laser cooling of molecules” Phys. Usp. 63 289–302 (2020)
    31.10.+z, 33.20.−t, 37.10.De (all)
  22. A.A. Makarov, E.A. Ryabov “On a half-forgotten but very powerful method for coherent spectroscopy of molecules” Phys. Usp. 62 257–265 (2019)
    33.20.Ea, 42.62.Fi, 42.65.−k (all)
  23. A.M. Zheltikov “The critique of quantum mind: measurement, consciousness, delayed choice, and lost coherence” Phys. Usp. 61 1016–1025 (2018)
    03.65.Ta, 03.65.Yz, 03.67.−a (all)
  24. G.N. Makarov “Control of the parameters and composition of molecular and cluster beams by means of IR lasers” Phys. Usp. 61 617–644 (2018)
    06.30.−k, 07.77.Gx, 33.80.−b, 36.40.−c, 41.75.Jv, 42.62.Fi, 82.50.Hp (all)
  25. M.N. Sapozhnikov “Fifty years of selective laser spectroscopy of solids: a history, general principles and applications” Phys. Usp. 61 (4) (2018)
    42.62.−b, 42.62.Fi, 61.43.−j, 61.72.−y, 63.20.kp, 78.20.−e, 78.40.Me, 78.55.−m, 78.66.−w, 87.15.−v, 87.15.M− (all)
  26. K.Yu. Khabarova, E.S. Kalganova, N.N. Kolachevsky “Accurate frequency and time dissemination in the optical domain” Phys. Usp. 61 203–211 (2018)
    06.20.Jr, 06.30.Ft, 12.20.Fv, 32.10.Fn, 32.30.Jc, 42.62.Fi (all)
  27. G.N. Makarov “Laser IR fragmentation of molecular clusters: the role of channels for energy input and relaxation, influence of surroundings, dynamics of fragmentation” Phys. Usp. 60 227–258 (2017)
    07.77.Gx, 33.80.−b, 36.40.−c, 37.20.+j, 42.62.Fi, 81.07.−b, 82.50.Bc (all)
  28. R. Onofrio “Cooling and thermometry of atomic Fermi gases” Phys. Usp. 59 1129–1153 (2016)
    03.75.Ss, 05.30.Fk, 07.20.Dt, 37.10.De, 67.60.Bc (all)
  29. M.K. Eseev, I.N. Meshkov “Traps for storing charged particles and antiparticles in high precision experiments” Phys. Usp. 59 304–317 (2016)
    37.10.Ty, 41.75.Fr, 52.27.Ep, 52.27.Jt (all)
  30. G.A. Vishnyakova, A.A. Golovizin et al “Ultracold lanthanides: from optical clocks to quantum simulators” Phys. Usp. 59 168–173 (2016)
    32.30.Jc, 37.10.De, 37.10.Gh (all)
  31. A.V. Taichenachev, V.I. Yudin, S.N. Bagayev “Ultraprecision optical frequency standards using ultracold atoms: state of the art and prospects” Phys. Usp. 59 184–195 (2016)
    42.50.Gy, 42.62.Fi, 42.62.Eh (all)
  32. I.I. Ryabtsev, I.I. Beterov et al “Spectroscopy of cold rubidium Rydberg atoms for applications in quantum information” Phys. Usp. 59 196–208 (2016)
    03.67.Lx, 32.70.Jz, 32.80.−t, 32.80.Ee, 32.80.Rm (all)
  33. G.N. Makarov “Low energy methods of molecular laser isotope separation” Phys. Usp. 58 670–700 (2015)
    07.77.Gx, 33.80.−b, 36.40.−c, 42.62.−b, 42.62.Fi, 82.40.Fp, 82.50.Bc (all)
  34. N.N. Kolachevsky, K.Yu. Khabarova “Precision laser spectroscopy in fundamental studies” Phys. Usp. 57 1230–1238 (2014)
    32.30.Jc, 37.10.De, 37.10.Gh (all)
  35. S. Haroche “Controlling photons in a box and exploring the quantum to classical boundary” Phys. Usp. 57 (10) (2014)
    03.67.−a, 42.50.Dv, 42.50.Pq (all)
  36. D.J. Wineland “Superposition, entanglement, and raising Schrödinger's cat” Phys. Usp. 57 (10) (2014)
    03.67.Bg, 03.67.Lx, 37.10.−x (all)
  37. V.S. Popov, B.M. Karnakov “Hydrogen atom in a strong magnetic field” Phys. Usp. 57 257–279 (2014)
    03.65.Ge, 03.65.Pm, 32.30.−r (all)
  38. G.N. Makarov “Laser applications in nanotechnology: nanofabrication using laser ablation and laser nanolithography” Phys. Usp. 56 643–682 (2013)
    36.40.−c, 42.62.Fi, 61.46.−w, 81.05.ue, 81.07.−b, 81.16.−c, 81.16.Nd (all)
  39. A.A. Makarov, A.L. Malinovsky, E.A. Ryabov “Intramolecular vibrational redistribution: from high-resolution spectra to real-time dynamics” Phys. Usp. 55 977–1007 (2012)
    05.45.−a, 05.45.Mt, 33.20.Ea, 33.20.Fb, 33.80.Wz, 42.62.Fi (all)
  40. “Celebrating 50 years of the laser (Scientific session of the General Meeting of the Physical Sciences Division of the Russian Academy of Sciences, 13 December 2010)” Phys. Usp. 54 837–870 (2011)
    01.10.Fv, 03.75.−b, 07.57.−c, 32.30.Jc, 37.10.−x, 37.10.De, 37.10.Gh, 42.62.−b, 42.65.−k, 42.70.−a, 42.82.−m, 67.85.−d, 78.67.−n, 85.40.−e, 84.40.Ik (all)
  41. N.N. Kolachevsky “Laser cooling of rare-earth atoms and precision measurements” Phys. Usp. 54 863–870 (2011)
    37.10.De, 37.10.Gh, 32.30.Jc (all)
  42. G.N. Makarov “Kinetic methods for measuring the temperature of clusters and nanoparticles in molecular beams” Phys. Usp. 54 351–370 (2011)
    07.77.Gx, 36.40.−c, 36.40.Ei, 42.62.Fi, 81.07.Nb, 82.50.Hp (all)
  43. G.N. Makarov “Experimental methods for determining the melting temperature and the heat of melting of clusters and nanoparticles” Phys. Usp. 53 179–198 (2010)
    07.77.Gx, 32.80.−t, 36.40.−c, 36.40.Ei, 42.62.Fi, 81.07.−b (all)
  44. G.N. Makarov “The spectroscopy of clusters by intense pulses of VUV radiation from free electron lasers” Phys. Usp. 52 461–486 (2009)
    32.80.−t, 36.40.−c, 41.60.Cr, 42.55.Vc, 42.62.Fi, 52.50.−b, 82.50.Hp (all)
  45. V.I. Balykin, A.N. Ryabtsev et al “On the 40th anniversary of the Institute of Spectroscopy of the Russian Academy of Sciences (Scientific session of the Physical Sciences Division of the Russian Academy of Sciences, 8 October 2008)” Phys. Usp. 52 275–309 (2009)
    03.75.−b, 03.75.Hh, 05.30.Jp, 07.07.−a, 32.30.−r, 32.30.Jc, 33.20.−t, 36.40.−c, 37.20.+j, 42.82.Cr, 61.43.−j, 63.20.−e, 63.50.−x, 67.25.dw, 71.35.Lk, 71.36.+c, 78.30.−j, 78.47.−p, 78.55.−m, 81.07.−b, 87.85.fk, 87.64.−t, 95.30.Ky, 97.10.−q (all)
  46. A.N. Ryabtsev, S.S. Churilov “Spectroscopy of ionized atoms for astrophysics and nanotechnology” Phys. Usp. 52 282–286 (2009)
    32.30.−r, 32.30.Jc, 42.82.Cr, 95.30.Ky, 97.10.−q (all)
  47. V.S. Davydov, V.M. Shabaev, N.N. Kolachevsky “Selected problems in hydrodynamics, quantum electrodynamics, and laser spectroscopy (Scientific session of the Physical Sciences Division of the Russian Academy of Sciences, 14 May 2008)” Phys. Usp. 51 1171–1190 (2008)
    01.10.Fv, 06.20.Jr, 06.30.Ft, 12.20.−m, 12.20.Ds, 12.20.Fv, 32.10.Fn, 32.30.Jc, 31.30.Gs, 31.30.Jv, 42.62.Fi, 43.30.+m, 43.60.+d, 92.10.Vz (all)
  48. N.N. Kolachevsky “High-precision laser spectroscopy of cold atoms and the search for the drift of the fine structure constant” Phys. Usp. 51 1180–1190 (2008)
    06.20.Jr, 06.30.Ft, 12.20.Fv, 32.10.Fn, 32.30.Jc, 42.62.Fi (all)
  49. G.N. Makarov “On the possibility of selecting molecules embedded in superfluid helium nanodroplets (clusters)” Phys. Usp. 49 1131–1150 (2006)
    28.60.+s, 33.80.−b, 36.40.−c, 42.62.Fi (all)
  50. S.V. Chekalin “The unique femtosecond spectrometric complex as an instrument for ultrafast spectroscopy, femtochemistry, and nanooptics” Phys. Usp. 49 634–641 (2006)
    01.10.Fv, 42.62.Be, 42.62.Fi, 42.65.Re (all)
  51. K.M. Salikhov “Time-resolved EPR spectroscopy of nonequilibrium spin systems produced during spin-dependent photophysical and photochemical processes in condensed media” Phys. Usp. 49 641–645 (2006)
    01.10.Fv, 03.67.−a, 71.35.−y, 76.30.−v (all)
  52. Yu.I. Vorontsov “Uncertainty relation and the measurement error-perturbation relation” Phys. Usp. 48 999–1013 (2005)
    03.65.−w, 03.65.Ta, 03.67.−a (all)
  53. M.B. Menskii “Concept of consciousness in the context of quantum mechanics” Phys. Usp. 48 389–409 (2005)
    01.70.+w, 03.65.−w, 03.65.Ta, 03.67.−a (all)
  54. K.A. Valiev “Quantum computers and quantum computations” Phys. Usp. 48 1–36 (2005)
    03.65.Yz, 03.67.−a, 03.67.Lx (all)
  55. G.N. Makarov “Selective processes of IR excitation and dissociation of molecules in gasdynamically cooled jets and flows” Phys. Usp. 48 37–76 (2005)
    33.80.−b, 42.62.Fi, 82.40.Fp, 82.50.Bc (all)
  56. Yu.A. Pashkin, O.V. Astaf’ev et al “Josephson solid-state qubits” Phys. Usp. 47 943–944 (2004)
    03.67.Lx, 85.25.Cp (all)
  57. S.P. Vyatchanin, F.Ya. Khalili “’Interaction-free’ measurement: possibilities and limitations” Phys. Usp. 47 705–716 (2004)
    03.65.Ta, 03.67.−a, 42.50.Tv (all)
  58. G.N. Makarov “Spectroscopy of single molecules and clusters inside helium nanodroplets. Microscopic manifestation of 4He superfluidity” Phys. Usp. 47 217–247 (2004)
    33.80.−b, 42.62.Fi, 67.40.−w (all)
  59. G.N. Makarov “Studies on high-intensity pulsed molecular beams and flows interacting with a solid surface” Phys. Usp. 46 889–914 (2003)
    33.80.−b, 42.62.Fi, 82.40.Fp, 82.50.Bc (all)
  60. L.B. Ioffe, M.V. Feigel’man “Realization of topologically protected quantum bits in a Josephson junction array” Phys. Usp. 46 759–764 (2003)
    03.67.Lx, 03.67.Pp, 74.81.Fa (all)
  61. I.V. Sokolov, A. Gatti et al “Quantum teleportation and holography” Phys. Usp. 44 1199–1203 (2001)
    03.67.−a
  62. E.B. Aleksandrov, I.V. Sokolov et al “Scientific session of the Division of General Physics and Astronomy of the Russian Academy of Sciences (25 April 2001)” Phys. Usp. 44 1199–1199 (2001)
    06.20.−f, 07.55.Ge, 03.67.−a, 32.70.Fw, 32.70.Jz, 42.25.Hz, 42.25.Gy, 42.50.Gy (all)
  63. I.V. Bargatin, B.A. Grishanin, V.N. Zadkov “Entangled quantum states of atomic systems” Phys. Usp. 44 597–616 (2001)
    03.65.Bz, 03.65.Ud, 03.65.Yz, 03.67.−a, 32.80.Qk (all)
  64. M.V. Feigel’man “A quantum bit based on a Josephson contact between conventional and high-temperature superconductors (theory)” Phys. Usp. 42 823–825 (1999)
    03.67.Lx, 73.23.Hk, 73.40.−c, 85.25.Cp (all)
  65. V.V. Ryazanov “Josephson superconductor-ferromagnet-superconductor π-contact as an element of a quantum bit (experiment)” Phys. Usp. 42 825–827 (1999)
    03.67.Lx, 73.23.Hk, 73.40.−c, 85.25.Cp (all)
  66. S.Ya. Kilin “Quantum information” Phys. Usp. 42 435–452 (1999)
    03.67.−a
  67. A.M. Zheltikov, N.I. Koroteev “Coherent four-wave mixing in excited and ionized gas media: four-photon spectrochronography, ellipsometry, and nonlinear-optical imaging of atoms and ions” Phys. Usp. 42 321–351 (1999)
    42.62.Fi, 42.65.k, 51.70.+f, 52.25.b (all)
  68. Yu.L. Klimontovich “Entropy and information of open systems” Phys. Usp. 42 375–384 (1999)
    03.65.Bz, 03.67.−a, 05.65.+c, 89.70.+c (all)
  69. S.G. Rautian, A.S. Yatsenko “Grotrian diagrams” Phys. Usp. 42 205–208 (1999)
    01.65.+g, 32.30.−r (all)
  70. A.E. Reznikov “Superwideband communication systems: characteristics and applications” Phys. Usp. 41 727–729 (1998)
    03.67.−a, 89.70.+c (all)
  71. M.A. El’yashevich, N.G. Kembrovskaya, L.M. Tomil’chik “Walter Ritz as a theoretical physicist and his research on the theory of atomic spectra” Phys. Usp. 38 435–455 (1995)
    01.65.+g, 32.30.−r (all)
  72. S.A. Akhmanov, V.E. Gusev “Laser excitation of ultrashort acoustic pulses: New possibilities in solid-state spectroscopy, diagnostics of fast processes, and nonlinear acoustics” Sov. Phys. Usp. 35 (3) 153–191 (1992)
    43.35.Ud, 42.62.Fi, 42.65.Re, 42.60.Jf, 43.25.−x, 01.30.Rr (all)
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    01.30.Vv, 42.62.Fi, 42.55.Rz, 42.60.−v, 42.65.−k, 42.50.−p (all)
  74. M.A. El’yashevich, N.G. Kembrovskaya, L.M. Tomil’chik “Rydberg and the development of atomic spectroscopy (Centennial of J. R. Rydberg’s paper on the laws governing atomic spectra)” Sov. Phys. Usp. 33 (12) 1047–1060 (1990)
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    42.62.Fi, 42.65.−k, 01.30.Vv (all)
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    42.62.Fi, 34.50.−s, 36.20.−r, 87.64.Cc, 82.35.−x (all)
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    32.30.−r, 35.80.+s
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    32.80.Fb, 35.80.+s, 35.10.Bg, 32.30.−r (all)
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    42.50.Gy, 42.60.Da, 42.62.Fi (all)
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    32.50.+d, 32.30.−r (all)
  83. G.A. Askar’yan, V.G. Mikhalevich, G.P. Shipulo “Aureole Refraction and Nonlinear Scattering of Powerful Light by Inhomogeneities in Transparent Media” Sov. Phys. Usp. 14 370–371 (1971)
    78.20.Ci, 42.65.−k, 42.62.Fi (all)
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