Research
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Recent talks:


  • Dynamical response of magnetized spin liquids, invited talk at the ICTP Conference on “Fractionalization and Emergent Gauge Fields in Quantum Matter”, ICTP, Trieste, Italy, December 7, 2023.

  • KITP program A New Spin on Quantum Magnets, that I co-organized, contains many interesting talks (a couple of them are mine), KITP, UCSB, July 17 - September 8, 2023.

  • Hydrodynamic theory of interacting spinon liquid and its predictions for experiments on quantum spin chains, talk at the conference Highly Frustrated Magnetism (HFM 2022), Sorbonne University, Paris, France, June 19-25, 2022.

  • Electrical resistivity of the Kondo-like triangular lattice antiferromagnet in a magnetic field: the story of EuC6, condensed matter seminar, School of Physics and Astronomy, University of Minnesota, May 4, 2022.

  • Electrical resistivity of the Kondo-like triangular lattice antiferromagnet in a magnetic field: the story of EuC6, invited talk at the International workshop “Trends in Quantum Magnetism”, Congresso Stefano Franscini, Ascona, Switzerland, April 24-27, 2022.

  • Electron spin resonance spectroscopy of quantum spin liquids, colloquium at the Department of Physics, University of Virginia, April 8, 2022.

  • Collective excitations of a magnetized spin liquid, talk at KITP Program "Correlated Systems with Multicomponent Local Hilbert Spaces", Kavli Institute for Theoretical Physics, UCSB, Santa Barbara, October 29, 2020.

  • Collective excitations of a magnetized U(1) spin liquid, talk at KITP Program "Topological Quantum Matter: Concepts and Realizations", Kavli Institute for Theoretical Physics, UCSB, Santa Barbara, October 17, 2019.

  • Majorana zero modes at the edge of an interacting quantum wire with spin-orbit interaction, invited talk at the conference Spins in a quantum 1D multi-particle environment: from exotic phases and non-trivial topology to protected transport, Ludwig Maximilian University, Munich, Germany, September 2-5, 2019.

  • Collective modes of magnetized spin liquids (pdf), invited talk at the workshop Low-dimensional emergent phenomena in correlated systems and topological quantum matter, Tbilisi, Georgia, June 1-10, 2019.

  • Spinon magnetic resonance of two-dimensional U(1) spin liquids with Fermi surface (pdf), talk at Highly Frustrated Magnetism workshop, UC Davis, July 14, 2018.

  • Spinon magnetic resonance (pdf), invited talk at TOPMAT workshop, Saclay, France, June 11, 2018.

  • Spinon magnetic resonance (pdf), invited talk at BigMag@UCSB workshop, UCSB, Santa Barbara, May 17-19, 2018.

  • Phases of spin chains with uniform Dzyaloshinskii-Moriya interactions (pdf), Condensed Matter Theory Group seminar, RIKEN, Wako, Japan, November 21, 2017.

  • Chiral liquid phase of simple quantum antiferromagnets (pdf), YITP workshop "Novel quantum states in condensed matter", Yukawa Institute for Theoretical Physics, Kyoto University, Japan, November 9, 2017.

  • Two-magnon condensation route to the chiral spin liquid, invited talk at the Gordon Godfrey workshop, University of New South Wales, Sydney, Australia, October 31, 2017.

  • Chiral liquid phase of simple XXZ quantum magnets, talk at KITP Program "Intertwined Order and Fluctuations in Quantum Materials", Kavli Institute for Theoretical Physics, UCSB, Santa Barbara, October 4, 2017.

  • Emergent Ising orders of frustrated magnets (pdf), Jussieu, Universite Pierre et Marie Curie (Sorbonne University), Laboratoire de Physique Theorique de la Matiere Condensee, Paris, France, July 3, 2017.

  • Emergent Ising orders of frustrated magnets, Laboratoire de Physique Theorique et Modelisation (LPTM), Universite de Cergy-Pontoise, Cergy, France, June 22, 2017.

  • Emergent Ising orders of frustrated magnets (pdf), talk at conference "Spin coherence, condensation, and superfluidity", University of California Gump Station, Moorea, French Polynesia, February 13-17, 2017.

  • A panoply of orders near quantum Lifshitz point of a frustrated ferromagnet (pdf), tutorial talk at the SPICE workshop "Quantum Spintronics: Spin Transport Through Quantum Magnetic Materials", Johannes Gutenberg University, Mainz, Germany, September 21-23, 2016.

  • Frustration-driven multi-magnon condensates (pdf), solid state seminar, Department of Physics, ETH, Zurich, Switzerland, September 19, 2016.

  • Frustration-driven multi-magnon condensates (pdf), invited talk at the workshop "Recent progress in low-dimensional quantum magnetism" (LDQM2016), EPFL, Lausanne, Switzerland, September 5-16, 2016.

  • Rashba vs Kohn-Luttinger: evolution of p-wave superconductivity in magnetized two-dimensional Fermi gas subject to spin-orbit interaction (pdf), talk at Nordita workshop "Multi-component and strongly-correlated superconductors" (web site), Stockholm, Sweden, July 4-29, 2016.

  • Unusual phases of antiferromagnetic spin chains with uniform Dzyaloshinskii-Moriya interaction (pdf and video), invited talk at SPICE workshop "Magnetic Adatoms as Building Blocks for Quantum Magnetism", Mainz, Germany, August 17-20, 2015.

  • Magnon collapse near the Lifshitz point and multipolar phases of frustrated magnets (pdf and video), talk at KITP program "New Phases and Emergent Phenomena in Correlated Materials with Strong Spin-Orbit Coupling", Kavli Institute for Theoretical Physics, UCSB, Santa Barbara, July 24, 2015.

  • Quasi-one-dimensional spin nematic states and their excitations (pdf), invited talk at the APS March 2015 meeting, San Antonio, TX, March 3, 2015.

  • Frustration-driven multi magnon condensates and their excitations (pdf), invited talk at the ICTP workshop on Current trends in frustrated magnetism, Jawaharlal Nehru University, New Delhi, India, February 9 - 13, 2015.

  • Two-magnon instabilities and other surprises in magnetized quantum antiferromagnets (pdf), invited talk at the Conference on Field Theory Methods in Low-Dimensional Strongly Correlated Quantum Systems, ICTP, Trieste, Italy, August 25 - 29, 2014.

  • Unusual ordered phases of magnetized frustrated antiferromagnets (pdf), talk at the International Conference on Highly Frustrated Magnetism 2014 (HFM2014), University of Cambridge (Queen's College), Cambridge, UK, July 7 - 11, 2014.

  • Unusual ordered phases of magnetized frustrated antiferromagnets (pdf), invited talk at 2nd International Symposium on "Novel states in correlated condensed matter - from model systems to real materials", Konigstein near Frankfurt am Main, Germany, April 8-10, 2014.

  • Frustrated magnetism via bold diagrammatic Monte Carlo (pdf), invited talk at SIGN 2014, an international EMMI Workshop on the "Sign Problem in QCD and beyond'', GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt, Germany, 18-21 February 2014.

  • Spin-current and other unusual phases in magnetized triangular lattice antiferromagnets (pdf), talk at the International Seminar and Workshop on "Spin Orbit Entanglement: Exotic States of Quantum Matter in Electronic Systems", Max Planck Institute for Physics of Complex Systems, Dresden, Germany, July 15 - 27, 2013.

  • Magnetization Plateaux of Frustrated Antiferromagnets (pdf), invited plenary talk at the APS Four Corners Section regional meeting, New Mexico Tech, Socorro, NM, October 26-27, 2012.

  • Spinon spin resonance (pdf), invited talk at the KITP Conference "Exotic Phases of Frustrated Magnets", KITP, UCSB, Santa Barbara, October 8-12, 2012.

  • Fate of 1/3-magnetization plateau in spatially anisotropic triangular lattice antiferromagnets (pdf), talk at the Highly Frustrated Magnetism conference (HFM 2012) at McMaster University, Hamilton, Canada, June 5, 2012.

  • Magnetization plateau and other unusual phases of a spatially anisotropic quantum antiferromagnet on triangular lattice (pdf), invited talk at the conference/workshop on "New quantum states of matter in and out of equilibrium" at the Galileo Galilei Institute for Theoretical Physics, Florence, Italy, May 25, 2012.

  • Breaking the spin waves: spinons in Cs2CuCl4 and elsewhere (pdf), colloquium at the Department of Physics, Iowa State University, Ames, February 13, 2012.

  • Triangular lattice antiferromagnet in magnetic field: ground states and spin excitations (pdf), seminar at P.L.Kapitza Institute for Physical Problems, Moscow, Russia, October 4, 2011.

  • Breaking the spin waves: spinons in Cs2CuCl4 and elsewhere (pdf), invited talk, International Symposium Spin Waves 2011, St. Petersburg, Russia, June 5-11, 2011.

  • Modes of magnetic resonance in spin liquids with spinon excitations (pdf), invited talk, International Conference on Novel Phenomena in Frustrated Systems, Santa Fe, New Mexico, May 23-27, 2011.

  • Triangular lattice antiferromagnets - open questions (pdf), program on "Disentangling Quantum Many-body Systems", KITP, UCSB, Santa Barbara, November 2010.

  • Spin-orbit-induced spin-density wave in quantum wires and spin chains (pdf), seminar at Dahlem Center, Freie Universitat Berlin, Sept. 29, 2010.

  • Spatially anisotropic triangular antiferromagnet in magnetic field (pdf), workshop on "Emerging quantum states in complex correlated matter", Max-Planck-Institut für Physik komplexer Systeme, Dresden, Germany, August 27, 2010.

  • Ground states and excitations of spatially anisotropic quantum antiferromagnets (pdf), conference on "The Heisenberg Model: past, present and future", International Centre for Condensed Matter Physics, Brasilia, Brasil, July 20-27, 2009.

  • Spatially anisotropic spin-1/2 Heisenberg kagomé antiferromagnet (pdf), invited talk, APS March meeting, Pittsburgh, March 19, 2009.

  • Spinons and triplons in spatially anisotropic triangular antiferromagnet (pdf), workshop on "Unconventional Phases and Phase Transitions in Strongly Correlated Electron Systems", Max-Planck-Institut für Physik komplexer Systeme, Dresden, Germany, June 18, 2008.

    • More details on some of my projects can be found here.

    Publications:

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    1. Ren-Bo Wang, Naveen Nishad, Anna Keselman, Leon Balents, Oleg A. Starykh, Spinon spin current, arXiv:2409.08327 (2024).

    2. Oleg Starykh, Viewing a Quantum Spin Liquid through QED, a viewpoint article in physics.aps.org, Physics 17, 63 (2024)

    3. M. Agarwal, O. A. Starykh, D. A. Pesin, E. G. Mishchenko, Collective spin oscillations in a magnetized graphene sheet, Phys. Rev. B 109, 224302 (2024); arXiv:2312.16782 (2023).

    4. Ren-Bo Wang, Anna Keselman, Oleg A. Starykh, Hydrodynamics of interacting spinons in the magnetized spin-1/2 chain with the uniform Dzyaloshinskii-Moriya interaction, Phys. Rev. B 105, 184429 (2022); arxiv:2201.10570 (2022).

    5. A. L. Chernyshev and O. A. Starykh, Roller-Coaster in a Flatland: Magnetoresistivity in Eu-intercalated Graphite, Phys. Rev. X 12, 021010; arXiv:2109.10916 (2021).

    6. Kirill Yu. Povarov, Timofei A. Soldatov, Ren-Bo Wang, Andrey Zheludev, Alexander I. Smirnov, Oleg A. Starykh, Electron Spin Resonance of the Interacting Spinon Liquid, Phys. Rev. Lett. 128, 187202 (2022). Synopsis of the paper in Physics magazine. ArXiv version, arXiv:2108.02835 (2021).

    7. Chengkang Zhou, Zheng Yan, Kai Sun, Oleg A. Starykh, Zi Yang Meng, Amplitude Mode in Quantum Magnets via Dimensional Crossover, Phys. Rev. Lett. 126, 227201 (2021); arXiv:2007.12715 (2020).

    8. Ren-Bo Wang, Akira Furusaki, Oleg A. Starykh, Majorana end states in an interacting quantum wire, Phys. Rev. B 102, 165147 (2020); arXiv:2007.08482 (2020).

    9. Anna Keselman, Leon Balents, Oleg A. Starykh, Dynamical signatures of quasiparticle interactions in quantum spin chains, Phys. Rev. Lett. 125, 187201 (2020); arXiv:2005.12399 (2020).

    10. Leon Balents and Oleg A. Starykh, Collective spinon spin wave in a magnetized U(1) spin liquid, Phys. Rev. B 101, 020401 (2020); arXiv:1904.02117 (2019).

    11. Hassan Allami, O. A. Starykh, and D. A. Pesin, Superfluid-Insulator transition, and the BEC-BCS crossover in Rashba moat band, Phys. Rev. B 99, 104505 (2019); arXiv:1812.06998 (2018).

    12. Yang-Hao Chan, Wen Jin, Hong-Chen Jiang, Oleg A. Starykh, Ising orders in a magnetized Heisenberg chain subject to a uniform Dzyaloshinskii-Moriya interaction, Phys. Rev. B 96, 214441 (2017); arXiv:1708.03670 (2017).

    13. Zhentao Wang, Adrian E. Feiguin, Wei Zhu, Oleg A. Starykh, Andrey V. Chubukov, Cristian D. Batista, Chiral Liquid Phase of Simple Quantum Magnets, Phys. Rev. B 96, 184409 (2017) [Editors' Suggestion]; arXiv:1708.02980 (2017).

    14. Zhu-Xi Luo, Ethan Lake, Jia-Wei Mei, and Oleg A. Starykh, Spinon magnetic resonance of quantum spin liquids, Phys. Rev. Lett. 120, 037204 (2018); arXiv:1706.01597 (2017).

    15. Wen Jin and Oleg A. Starykh, Phase diagram of weakly coupled Heisenberg spin chains subject to a uniform Dzyaloshinskii-Moriya interaction, Phys. Rev. B 95, 214404 (2017); arXiv:1701.01465 (2017).

    16. Shou-Shu Gong, Wei Zhu, Kun Yang, Oleg A. Starykh, D. N. Sheng, Leon Balents, Emergent quasi-one-dimensionality in a kagome magnet: A simple route to complexity, Phys. Rev. B 94, 035154 (2016); arXiv:1604.01459 (2016).

    17. Ethan Lake, Caleb Webb, D. A. Pesin, O. A. Starykh, Rashba vs Kohn-Luttinger: evolution of p-wave superconductivity in magnetized two-dimensional Fermi gas subject to spin-orbit interaction, Phys. Rev. B 93, 214516 (2016); arXiv:1602.02741 (2016).

    18. Leon Balents and Oleg A. Starykh, Quantum Lifshitz Field Theory of a Frustrated Ferromagnet , Phys. Rev. Lett. 116, 177201 (2016); also known as A Panoply of Orders from a Quantum Lifshitz Field Theory, arxiv:1510.07640 (2015).

    19. Oleg A. Starykh, Unusual ordered phases of highly frustrated magnets: a review, Reports on Progress in Physics 78, 052502 (2015).

      An earlier, arxiv-version of this review is available here arxiv:1412.8482. (The journal published version is also available as a pdf here.)

    20. E. G. Mishchenko, O. A. Starykh, Equilibrium currents in chiral systems with non-zero Chern number, Phys. Rev. B 90, 035114 (2014); arxiv:1404.7535 (2014).

    21. Oleg A. Starykh, Wen Jin, Andrey V. Chubukov, Phases of triangular lattice antiferromagnet near saturation, Phys. Rev. Lett. 113, 087204 (2014); arxiv:1404.1046 (2014).

    22. Oleg A. Starykh and Leon Balents, Excitations and quasi-one-dimensionality in field-induced nematic and spin density wave states, Phys. Rev. B 89, 104407 (2014); arxiv:1312.0992 (2013).

    23. Andrey V. Chubukov and Oleg A. Starykh, Spin-current order in anisotropic triangular antiferromagnets, - Phys. Rev. Lett. 110, 217210 (2013); arxiv:1303.3519 (2013).

    24. S.A. Kulagin, N. Prokof'ev, O.A. Starykh, B. Svistunov, C.N. Varney, Bold Diagrammatic Monte Carlo Applied to Fermionized Frustrated Spins, - Phys. Rev. Lett. 110, 070601 (2013); arxiv:1212.0055 (2012).

    25. Sergey Kulagin, Nikolay Prokof'ev, Oleg Starykh, Boris Svistunov, Christopher N. Varney, Bold Diagrammatic Monte Carlo technique for frustrated spin systems, - Phys. Rev. B 87, 024407 (2013); arxiv:1211.3631 (2012).

    26. Ru Chen, Hyejin Ju, Hong-Chen Jiang, Oleg A. Starykh, Leon Balents, Ground States of Spin-1/2 Triangular Antiferromagnets in a Magnetic Field, - Phys. Rev. B 87, 165123 (2013); arxiv:1211.1676 (2012).

    27. Zhihao Hao, Oleg A. Starykh, Half-metallic magnetization plateaux, - Phys. Rev. B 87, 161109(R) (2013); arxiv:1207.7124 (2012).

    28. Ratchel Glenn, Oleg A. Starykh, Mikhail E. Raikh, Interplay of spin-orbit coupling and Zeeman splitting in the absorption lineshape of 2D fermions, - Phys. Rev. B 86, 024423 (2012); arxiv:1203.6118 (2012).

    29. Christian Griset, Shane Head, Jason Alicea, Oleg A. Starykh, Deformed triangular lattice antiferromagnets in a magnetic field: role of spatial anisotropy and Dzyaloshinskii-Moriya interactions, - Phys. Rev. B 84, 245108 (2011); arxiv:1107.0772 (2011).

    30. E.M. Stoudenmire, Jason Alicea, Oleg A. Starykh, Matthew P.A. Fisher, Interaction Effects in Topological Superconducting Wires Supporting Majorana Fermions, - Phys. Rev. B 84, 014503 (2011) [selected for Editors' Suggestion and highlighted in Physics]; arxiv:1104.5493 (2011).

    31. E. M. Mishchenko and O. A. Starykh, Intersubband Edge Singularity in Metallic Nanotubes, - Phys. Rev. Lett. 107, 116804 (2011); arxiv:1104.1743 (2011).

    32. K. Yu. Povarov, A. I. Smirnov, O. A. Starykh, S. V. Petrov, A. Ya. Shapiro, Modes of magnetic resonance in the spin liquid phase of Cs2CuCs4, - Phys. Rev. Lett. 107, 037204 (2011); arxiv:1101.5275 (2011).

    33. Oleg A. Starykh, Hosho Katsura and Leon Balents, Extreme sensitivity of a frustrated quantum magnet: Cs2CuCs4, - Phys. Rev. B 82, 014421 (2010); arXiv:1004.5117 (2010). See accompanying Physics Synopsis.

    34. Oleg A. Starykh, Spin-density wave in a quantum wire, - Chapter 30 in Handbook of Nanophysics: Nanotubes and Nanowires, Klaus D. Sattler (Editor), published by CRC Press (September 3, 2010), ISBN-10: 142007542X. [pdf]

    35. Toshiya Hikihara and Oleg A. Starykh, Phase diagram of the frustrated spin ladder, - Phys. Rev. B 81, 064432 (2010); arXiv:0912.4589 (2009).

    36. Masanori Kohno, Leon Balents and Oleg A. Starykh, Dynamical properties of spatially anisotropic frustrated Heisenberg models in a magnetic field, - J. Phys: Conference Series 145, 012062 (2009). [Proceedings of Highly Frustrated Magnetism 2008].

    37. Jason Alicea, Andrey V. Chubukov, and Oleg A. Starykh, Quantum stabilization of the 1/3-magnetization plateau in Cs2CuBr4, - Phys. Rev. Lett. 102, 137201 (2009); arXiv:0809.3800 (2008).

    38. Andreas P. Schnyder, Oleg A. Starykh, Leon Balents, Spatially Anisotropic Heisenberg Kagome Antiferromagnet, - Phys.Rev.B 78, 174420 (2008); arXiv:0807.0285 (2008).

    39. Suhas Gangadharaiah, Jianmin Sun, and Oleg A. Starykh, Spin-orbital effects in magnetized quantum wires and spin chains, - Phys.Rev.B 78, 054436 (2008); selected as an Editors' Suggestion; arXiv:0709.4246 (2007).

    40. Suhas Gangadharaiah, Jianmin Sun, and Oleg A. Starykh, Spin-orbit mediated anisotropic spin interaction in interacting electron systems, - Phys.Rev.Lett. 100, 156402 (2008); arXiv:0709.3521 (2007). (Also selected for Virtual Journal of Nanoscale Science and Technology, {www.vjnano.org}, issue of April 28, 2008.)

    41. Masanori Kohno, Oleg A. Starykh, Leon Balents, Spinons and triplons in spatially anisotropic frustrated antiferromagnets, - Nature Physics 3, 790-795 (2007); arXiv:0706.2012. (See also accompanying News and Views article in Nature Physics 3, 756 - 758 (2007))

    42. Jianmin Sun, Suhas Gangadharaiah, and Oleg A. Starykh, Spin-orbit induced spin-density wave in a quantum wire, - Phys.Rev.Lett. 98, 126408 (2007); cond-mat/0608433. (Also selected for Virtual Journal of Nanoscale Science and Technology, {www.vjnano.org}, issue of April 9, 2007.)

    43. Oleg A. Starykh, Andrey V. Chubukov, and Alexander G. Abanov, Flat spin wave dispersion in a triangular antiferromagnet, - Phys.Rev.B 74, 180403 (R) (2006); cond-mat/0608002.

    44. Oleg A. Starykh and Leon Balents, Ordering in spatially anisotropic triangular antiferromagnets, - Phys.Rev.Lett. 98, 077205 (2007); cond-mat/0607386.

    45. M. Pustilnik, E. G. Mishchenko, and O. A. Starykh, Generation of spin current by Coulomb drag, - Phys.Rev.Lett. 97, 246803 (2006); cond-mat/0606185.

    46. Oleg A. Starykh, Akira Furusaki, and Leon Balents, Anisotropic pyrochlores and the global phase diagram of the checkerboard antiferromagnet, - Phys.Rev.B 72, 094416 (2005); cond-mat/0503296.

    47. Oleg A. Starykh and Leon Balents, Dimerized phase and transitions in a spatially anisotropic square lattice antiferromagnet, - Phys.Rev.Lett. 93, 127202 (2004); cond-mat/0402055.

    48. O. Tchernyshyov, O. A. Starykh, R. Moessner, and A. G. Abanov, Bond order from disorder in the planar pyrochlore magnet, - Phys.Rev.B 68, 144422 (2003); cond-mat/0301303.

    49. A. V. Shytov, L. I. Glazman, and O. A. Starykh, Zeeman splitting of zero-bias anomaly in Luttinger liquids, - Phys.Rev.Lett. 91, 046801 (2003); cond-mat/0211303.

    50. Oleg A. Starykh, Rajiv R. P. Singh, and Gregory C. Levine, Spinons in a crossed-chains model of a 2D spin liquid, - Phys.Rev.Lett. 88, 167203 (2002); cond-mat/0106260.

    51. Subir Sachdev and Oleg A. Starykh, Comment on "Critical spin dynamics of the 2D quantum Heisenberg antiferromagnets: Sr2CuO2Cl2 and Sr2Cu3O4Cl2", - cond-mat/0101394.

    52. O. A. Starykh, P. Jacquod, E. E. Narimanov, and A. D. Stone, Dynamical localization in wave-chaotic dielectric resonators, - Phys.Rev.E 62, 2078 (2000); cond-mat/0001017.

    53. O. A. Starykh, D. L. Maslov, W. Häusler, and L. I. Glazman, Gapped phases of quantum wires, - book Chapter in Low-Dimensional Systems: Interactions and Transport Properties, pp.37-78, T. Brandes (Editor), Lecture Notes in Physics No. 544, Springer, 2000; cond-mat/9911286.

    54. Subir Sachdev and Oleg A. Starykh, Thermally fluctuating superconductors in two dimensions, - Nature 405, 322 (2000); cond-mat/9904354.

    55. O. A. Starykh and D. L. Maslov, Comment on ``Spontaneous Magnetization of Simple Metal Nanowires'', - Phys.Rev.Lett. 82, 2999 (1999).

    56. A. V. Chubukov and O. A. Starykh, On the behavior of a 2D Heisenberg antiferromagnet at very low temperatures, - Journal of Physics: Condensed Matter 11, L169-174 (1999); cond-mat/9802291.

    57. O. A. Starykh and D. L. Maslov, Conductance of a Mott quantum wire, - Phys.Rev.Lett. 80, 1694 (1998); cond-mat/9709013.

    58. O. A. Starykh, A. W. Sandvik, and R. R. P. Singh, Finite temperature dynamics of the spin-half Heisenberg chain,, - Physica B 241-243, 563 (1998).

    59. R. R. P. Singh, O. A. Starykh, and P. J. Freitas, A new paradigm for two-dimensional spin-liquids, - J. Appl. Phys. 83, 7387 (1998).

    60. M. Takigawa, O. A. Starykh, A. W. Sandvik, and R. R. P. Singh, Nuclear relaxation in the spin-1/2 antiferromagnetic chain compound Sr2CuO3 -- comparison between theories and experiments, - Phys.Rev.B 56, 13681 (1997); cond-mat/9706177.

    61. O. A. Starykh, A. W. Sandvik, and R. R. P. Singh, Dynamics of the spin-half Heisenberg chain at intermediate temperatures, - Phys.Rev.B 55, 14953 (1997); cond-mat/9701052.

    62. O. A. Starykh, R. R. P. Singh, and A. W. Sandvik, Quantum critical scaling and temperature-dependent logarithmic corrections in the spin-half Heisenberg chain, - Phys.Rev.Lett. 78, 539 (1997); cond-mat/9610015.

    63. O. A. Starykh, M. E. Zhitomirsky, D. I. Khomskii, R. R. P. Singh, and K. Ueda, Origin of spin gap in CaV4O9: effect of frustration and lattice distortion, - Phys.Rev.Lett. 77, 2558 (1996); cond-mat/9601145.

    64. A. V. Chubukov and O. A. Starykh, Crossover from O(3) to O(4) behavior in a weakly frustrated antiferromagnets, - Phys.Rev.B 53, R14729 (1996); cond-mat/9602077.

    65. O. A. Starykh and G. Reiter, Hole motion in the Ising antiferromagnet: an application of the recursion method, - Phys.Rev.B 53, 2517 (1996); cond-mat/9510139.

    66. O. A. Starykh, O. F.de Alcantara Bonfim, and G. Reiter, Self-consistent Born approximation for the hole motion in the three-band model: a comparison with photoemission experiments, - Phys.Rev.B 52, 12534 (1995); cond-mat/9510131.

    67. A. V. Chubukov and O. A. Starykh, On the confinement of spinons in the CPN-1 model, - Phys.Rev.B 52, 440 (1995); cond-mat/9501031.

    68. O. A. Starykh, 1/N expansion for the Schwinger-boson theory of quantum antiferromagnet, - Phys.Rev.B 50, 16428 (1994).

    69. O. A. Starykh and G. Reiter, Quantum antiferromagnet at finite temperature: a gauge field approach, - Phys.Rev.B 49, 4368 (1994); cond-mat/9312087.

    70. A. F. Barabanov and O. A. Starykh, Spherical symmetric spin wave theory of the Heisenberg model, - Journal of the Physical Society of Japan 61, 704 (1992).

    71. A. F. Barabanov, L. A. Maksimov, and O. A. Starykh, The disappearance of two-dimensional long-range order in the Heisenberg model with competing interactions, - International Journal of Modern Physics B 4, 2319 (1990). [pdf]

    72. A. F. Barabanov, L. A. Maksimov, and O. A. Starykh, Transition into the spin liquid state in 2D Heisenberg model with frustration, - Superconductivity: Physics, Chemistry, Technology 3, No.9, 1458 (1990). [pdf, in russian]

    73. A. F. Barabanov, L. A. Maksimov, O. A. Starykh, and G. V. Uimin, Spin excitations in the S=1/2 Heisenberg antiferromagnetic model on a square lattice, - Journal of Physics: Condensed Matter 2, 8925 (1990).

    74. A. F. Barabanov and O. A. Starykh, Long-range order in 2D Heisenberg model, - JETP Letters 51, 311 (1990). [pdf]