{"id":115,"date":"2021-12-13T00:43:01","date_gmt":"2021-12-12T15:43:01","guid":{"rendered":"https:\/\/eji.mywire.org\/?page_id=115"},"modified":"2022-06-24T06:42:38","modified_gmt":"2022-06-23T21:42:38","slug":"publications","status":"publish","type":"page","link":"https:\/\/eji.mywire.org\/en\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"\n\n\n\n\n
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Peer-reviewed articles<\/h2>\n\n\n\n
  1. Photoinduced metallization of excitonic insulators<\/em>
    S. Ejima<\/strong>, F. Lange and H. Fehske
    Phys. Rev. B 105<\/strong> 245126 (2022)<\/a>
    E-print:     arXiv:2204.09085<\/a>

    <\/li>
  2. Nonequilibrium dynamics in pumped Mott insulators<\/em>
    S. Ejima<\/strong>, F. Lange and H. Fehske
    Phys. Rev. Res. 4<\/strong>, L012012 (2022)<\/a>
    E-print:     arXiv:2110.08574<\/a>

    <\/li>
  3. Spin-charge conversion and current vortex in spin-orbit coupled systems<\/em>
    J. Fujimoto, F. Lange, S. Ejima<\/strong>, T. Shirakawa, H. Fehske, S. Yunoki and S. Maekawa
    APL Materials 9<\/strong>, 060904 (2021)<\/a>
    E-print:     arXiv:2103.06540<\/a>

    <\/li>
  4. Quantum criticality in dimerised anisotropic spin-1 chains<\/em>
    S. Ejima<\/strong>, F. Lange and H. Fehske
    Eur. Phys. J. Spec. Top. 230<\/strong>, 1009 (2021)<\/a>
    E-print:     arXiv:2104.06649<\/a>

    <\/li>
  5. Generation of current vortex by spin current in Rashba systems<\/em>
    F. Lange, S. Ejima<\/strong>, J. Fujimoto, T. Shirakawa, H. Fehske, S. Yunoki and S. Maekawa
    Phys. Rev. Lett. 126<\/strong>, 157202 (2021)<\/a>
    E-print:     arXiv:2011.08574<\/a>
    Press release 1<\/a>
    Press release 2<\/a> (in japanese)

    <\/li>
  6. Finite-temperature photoemission in the extended Falicov-Kimball model: a case study for Ta2<\/sub>NiSe5<\/sub><\/em>
    S. Ejima<\/strong>, F. Lange and H. Fehske
    SciPost Phys. 10<\/strong>, 077 (2021)<\/a>
    E-print:     arXiv:2101.02479<\/a>

    <\/li>
  7. Photoinduced \u03b7-pairing at finite temperatures<\/em>
    S. Ejima<\/strong>, T. Kaneko, F. Lange, S. Yunoki and H. Fehske
    Phys. Rev. Research 2<\/strong>, 032008(R) (2020)<\/a>

    <\/li>
  8. Block-Lanczos Density-Matrix Renormalization-Group Approach to Spin Transport in Heisenberg Chains Coupled to Leads<\/em>
    F. Lange, S. Ejima<\/strong>, T. Shirakawa, S. Yunoki and H. Fehske
    J. Phys. Soc. Jpn. 89<\/strong>, 044601 (2020)<\/a>
    E-print:     arXiv:2001.02926<\/a>

    <\/li>
  9. Dynamic response of spin-2 bosons in one-dimensional optical lattices<\/em>
    F. Lange, S. Ejima<\/strong> and H. Fehske
    Phys. Rev. A 100<\/strong>, 023623 (2019)<\/a>
    E-print:     arXiv:1905.06587<\/a>

    <\/li>
  10. Machine learning phase diagram in the half-filled one-dimensional extended Hubbard model<\/em>
    K. Shinjo, K. Sasaki, S. Hase, S. Sota, S. Ejima<\/strong>, S. Yunoki and T. Tohyama
    J. Phys. Soc. Jpn. 88<\/strong>, 065001 (2019)<\/a>
    E-print:     arXiv:1904.06032<\/a>

    <\/li>
  11. Quantum phase transitions in the dimerized extended Bose-Hubbard model<\/em>
    K. Sugimoto, S. Ejima<\/strong>, F. Lange and H. Fehske
    Phys. Rev. A 99<\/strong>, 012122 (2019)<\/a>
    E-print:     arXiv:1812.03489<\/a>

    <\/li>
  12. Driving XXZ spin chains: Magnetic-field and boundary effects<\/em>
    F. Lange, S. Ejima<\/strong> and H. Fehske
    EPL 125<\/strong>, 17001 (2019)<\/a>
    E-print:     arXiv:1810.11807<\/a>

    <\/li>
  13. Exotic criticality in the dimerized spin-1 XXZ chain with single-ion anisotropy<\/em>\"\"<\/sub>
    S. Ejima<\/strong>, T. Yamaguchi, F. H. L. Essler, F. Lange, Y. Ohta, and H. Fehske
    SciPost Phys. 5<\/strong>, 059 (2018)<\/a>
    E-print:     arXiv:1810.02195<\/a>

    <\/li>
  14. Spin transport through a spin-1\/2 XXZ chain contacted to fermionic leads<\/em>
    F. Lange, S. Ejima<\/strong>, T. Shirakawa, S. Yunoki, and H. Fehske
    Phys. Rev. B 97<\/strong>, 245124 (2018)<\/a>
    E-print:     arXiv:1804.08957<\/a>

    <\/li>
  15. Finite-temperature dynamic structure factor of the spin-1 XXZ chain with single-ion anisotropy<\/em>
    F. Lange, S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. B 97<\/strong>, 060403(R) (2018)<\/a>
    E-print:     arXiv:1801.10572<\/a>

    <\/li>
  16. Strongly repulsive anyons in one dimension<\/em>
    F. Lange, S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. A 95<\/strong>, 063621 (2017)<\/a>
    E-print:     arXiv:1704.07197<\/a>

    <\/li>
  17. Anyonic Haldane Insulator in One Dimension<\/em>
    F. Lange, S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. Lett. 118<\/strong>, 120401 (2017)<\/a>
    E-print:     arXiv:1612.00605<\/a>

    <\/li>
  18. Ising tricriticality in the extended Hubbard model with bond dimerization<\/em>\"\"<\/sub>
    S. Ejima<\/strong>, F. H. L. Essler, F. Lange, and H. Fehske
    Phys. Rev. B 93<\/strong>, 235118 (2016)<\/a>
    E-print:     arXiv:1604.01228<\/a>

    <\/li>
  19. Criticality at the Haldane-insulator charge-density-wave quantum phase transition<\/em>
    F. Lange, S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. B 92<\/strong>, 041120(R) (2015)<\/a>
    E-print:     arXiv:1506.04003<\/a>

    <\/li>
  20. Comparative density-matrix renormalization group study of symmetry-protected topological phases in spin-1 chain and Bose-Hubbard models<\/em>
    S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. B 91<\/strong>, 045121 (2015)<\/a>
    E-print:     arXiv:1407.6393<\/a>

    <\/li>
  21. <\/a>Spectral and Entanglement Properties of the Bosonic Haldane Insulator<\/em>
    S. Ejima<\/strong>, F. Lange, and H. Fehske
    Phys. Rev. Lett. 113<\/strong>, 020401 (2014)<\/a>
    E-print:     arXiv:1407.2852<\/a>

    <\/li>
  22. Dynamical correlation functions for the one-dimensional Bose-Hubbard insulator<\/em>
    K. zu M\u00fcnster, F. Gebhard, S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. A 89<\/strong>, 063623 (2014)<\/a>

    <\/li>
  23. Order, Criticality, and Excitations in the Extended Falicov-Kimball Model<\/em><\/a>
    S. Ejima<\/strong>, T. Kaneko, Y. Ohta, and H. Fehske
    Phys. Rev. Lett. 112<\/strong>, 026401 (2014)<\/a>
    E-print:     arXiv:1308.0361<\/a>

    <\/li>
  24. One-dimensional Bose-Hubbard model with local three-body interactions<\/em>
    S. Ejima<\/strong>, F. Lange, H. Fehske, F. Gebhard, and K. zu M\u00fcnster
    Phys. Rev. A 88<\/strong>, 063625 (2013)<\/a>
    E-print:     arXiv:1310.4719<\/a>

    <\/li>
  25. Exact-diagonalization study of exciton condensation in electron bilayers<\/em>
    T. Kaneko, S. Ejima<\/strong>, H. Fehske, and Y. Ohta
    Phys. Rev. B 88<\/strong>, 035312 (2013)<\/a>
    E-print:     arXiv:1305.7298<\/a>

    <\/li>
  26. Anderson localization versus charge-density-wave formation in disordered electron systems<\/em>
    S. Nishimoto, S. Ejima<\/strong>, and H. Fehske
    Phys. Rev. B 87<\/strong>, 045116 (2013)<\/a>
    E-print:     arXiv:1210.8142<\/a>

    <\/li>
  27. Phase separation in the Edwards model<\/em>
    S. Ejima<\/strong>, S. Sykora, K. W. Becker, and H. Fehske
    Phys. Rev. B 86<\/strong>, 155149 (2012)<\/a>
    E-print:     arXiv:1209.1810<\/a>

    <\/li>
  28. Characterization of Mott-insulating and superfluid phases in the one-dimensional Bose-Hubbard model<\/em>
    S. Ejima<\/strong>, H. Fehske, F. Gebhard, K. zu M\u00fcnster, M. Knap, E. Arrigoni, and W. von der Linden
    Phys. Rev. A 85<\/strong>, 053644 (2012)<\/a>
    E-print:     arXiv:1203.1120<\/a>

    <\/li>
  29. Discrete symmetry breaking transitions between paired superfluids<\/em>
    M. J. Bhaseen, S. Ejima<\/strong>, F. H. L. Essler, H. Fehske, M. Hohenadler, and B. D. Simons
    Phys. Rev. A 85<\/strong>, 033636 (2012)<\/a>
    E-print:     arXiv:1111.6778<\/a>

    <\/li>
  30. Magnetic properties of the second Mott lobe in pairing Hamiltonians<\/em>
    M. J. Bhaseen, S. Ejima<\/strong>, M. Hohenadler, A. O. Silver, F. H. L. Essler, H. Fehske, and B. D. Simons
    Phys. Rev. A 84<\/strong>, 023635 (2011)<\/a>
    E-print:     arXiv:1104.5626<\/a>

    <\/li>
  31. Dynamic properties of the one-dimensional Bose-Hubbard model<\/em>
    S. Ejima<\/strong>, H. Fehske, and F. Gebhard
    EPL 93<\/strong>, 30002 (2011)<\/a>
    E-print:     arXiv:1102.2028<\/a>

    <\/li>
  32. Ising Deconfinement Transition between Feshbach-Resonant Superfluids<\/em>
    S. Ejima<\/strong>, M. J. Bhaseen, M. Hohenadler, F. H. L. Essler, H. Fehske, and B. D. Simons
    Phys. Rev. Lett. 106<\/strong>, 015303 (2011)<\/a>
    E-print:     arXiv:1009.4088<\/a>

    <\/li>
  33. A Green\u2019s function decoupling scheme for the Edwards fermion-boson model<\/em>
    D. M. Edwards, S. Ejima<\/strong>, A. Alvermann and H. Fehske
    J. Phys.: Condens. Matter 22<\/strong>, 435601 (2010)<\/a>
    E-print:     arXiv:1007.1342<\/a>

    <\/li>
  34. One-dimensional quantum transport affected by a background medium: Fluctuations versus correlations<\/em>
    S. Ejima<\/strong> and H. Fehske
    Phys. Rev. B 80<\/strong>, 155101 (2009)<\/a>
    E-print:     arXiv:0909.0606<\/a>

    <\/li>
  35. Luttinger parameters and momentum distribution function for the half-filled spinless fermion Holstein model: A DMRG approach<\/em>
    S. Ejima<\/strong> and H. Fehske
    EPL 87<\/strong>, 27001 (2009)<\/a>
    E-print:     arXiv:0905.1214<\/a>

    <\/li>
  36. Quantum Phase Transition in a 1D Transport Model with Boson-Affected Hopping: Luttinger Liquid versus Charge-Density-Wave Behavior<\/em>
    S. Ejima<\/strong>, G. Hager, and H. Fehske
    Phys. Rev. Lett. 102<\/strong>, 106404 (2009)<\/a>
    E-print:     arXiv:0811.4271<\/a>

    <\/li>
  37. Random dispersion approximation for the Hubbard model<\/em>
    S. Ejima<\/strong>, F. Gebhard, R. M. Noack
    Eur. Phys. J. B 66<\/strong>, 191-200 (2008)<\/a>
    E-print:     arXiv:0811.4271<\/a>

    <\/li>
  38. Phase diagram of the one-dimensional half-filled extended Hubbard model<\/em>
    S. Ejima<\/strong> and S. Nishimoto
    Phys. Rev. Lett. 99<\/strong>, 216403 (2007)<\/a>
    E-print:     arXiv:0710.0673<\/a>

    <\/li>
  39. Tomonaga-Luttinger parameters and spin excitations in the dimerized extended Hubbard model<\/em>
    S. Ejima<\/strong>, F. Gebhard and S. Nishimoto
    Phys. Rev. B 74<\/strong>, 245110 (2006)<\/a>
    E-print:     cond-mat\/0605433<\/a>

    <\/li>
  40. Thermodynamics of the one-dimensional half-filled Hubbard model in the spin-disordered regime<\/em>
    S. Ejima<\/strong>, F. H. L. Essler, and F. Gebhard
    J. Phys. A: Math. Gen. 39<\/strong>, 4845-4857 (2006)<\/a>
    E-print:     cond-mat\/0602310<\/a>

    <\/li>
  41. Spin and charge excitations in the anisotropic Hubbard ladder at quarter filling with charge-ordering instability<\/em>
    Y. Ohta, T. Nakaegawa, and S. Ejima<\/strong>
    Phys. Rev. B 73<\/strong>, 045101 (2006)<\/a>
    E-print:     cond-mat\/0512310<\/a>

    <\/li>
  42. Tomonaga-Luttinger parameters for doped Mott insulators<\/em>
    S. Ejima<\/strong>, F. Gebhard, and S. Nishimoto
    Europhys. Lett. 70<\/strong>, 492 (2005)<\/a>
    E-print:     cond-mat\/0507508<\/a>

    <\/li>
  43. Phase diagram of the t-U-V1<\/sub>-V2<\/sub> model at quarter filling<\/em>
    S. Ejima<\/strong>, F. Gebhard, S. Nishimoto, and Y. Ohta
    Phys. Rev. B 72<\/strong>, 033101 (2005)<\/a>
    E-print:     cond-mat\/0411151<\/a><\/li><\/ol>\n\n\n\n
    <\/div>\n\n\n\n

    Conference proceedings<\/h2>\n\n\n\n
    1. Photoinduced \u03b7-pairing in One-dimensional Mott Insulators<\/em>
      S. Ejima<\/strong>, T. Kaneko, F. Lange, S. Yunoki, and Holger Fehske
      JPS Conf. Proc. 30<\/strong>, 011184 (2020)<\/a>
      E-print:       arXiv::2003.10818<\/a>

      <\/li>
    2. Critical behavior of the extended Hubbard model with bond dimerization<\/em>
      S. Ejima<\/strong>, F. Lange, Fabian H. L. Essler and H. Fehske
      Physica B 536<\/strong>, 474 (2018)<\/a>
      E-print:       arXiv:1706.07486<\/a>

      <\/li>
    3. Entanglement properties of the nontrivial Haldane insulator<\/em> in the 1D extended Bose-Hubbard model<\/em>
      S. Ejima<\/strong> and H. Fehske
      J. Phys.: Conf. Ser. 592<\/strong>, 012134 (2015)<\/a>

      <\/li>
    4. Excitonic BCS-BEC Crossover in Double-Layer Systems<\/em>
      T. Kaneko, S. Ejima<\/strong>, H. Fehske, and Y. Ohta
      JPS Conf. Proc. 3<\/strong>, 017006 (2014)<\/a>

      <\/li>
    5. Charge-Density-Wave Formation in the Edwards Fermion-Boson Model at One-Third Band Filling<\/em>
      S. Ejima<\/strong> and H. Fehske
      JPS Conf. Proc. 3<\/strong>, 013006 (2014)<\/a>
      E-print:       arXiv:1309.6873<\/a>

      <\/li>
    6. Metal-insulator transition in the Edwards model<\/em>
      H. Fehske, S. Ejima<\/strong>, G. Wellein and A. R. Bishop
      J. Phys.: Conf. Ser. 391<\/strong>, 012152 (2012)<\/a>
      E-print:       arXiv:1110.4486<\/a>

      <\/li>
    7. Dynamic density-density correlations in interacting Bose gases on optical lattices<\/em>
      S. Ejima<\/strong>, H. Fehske, and F. Gebhard
      J. Phys.: Conf. Ser. 391<\/strong>, 012143 (2012)<\/a>
      E-print:       arXiv:1110.4498<\/a>

      <\/li>
    8. DMRG analysis of the SDW-CDW crossover region in the 1D half-filled Hubbard-Holstein model<\/em>
      S. Ejima<\/strong> and H. Fehske
      J. Phys.: Conf. Ser. 200<\/strong>, 012031 (2010)<\/a>
      E-print:       arXiv:0906.2355<\/a>

      <\/li>
    9. Ground-state properties of the one-dimensional extended Hubbard model at half filling<\/em>
      S. Ejima<\/strong> and S. Nishimoto
      J. Phys. Chem. Solids 69<\/strong>, 3293-3296 (2008)<\/a>

      <\/li>
    10. Phase diagram of the one-dimensional extended Hubbard model with hopping dimerization<\/em>
      S. Ejima<\/strong>, F. Gebhard and S. Nishimoto
      Physica C 460-462<\/strong>, 1079-1080 (2007)<\/a>

      <\/li>
    11. Luttinger-liquid exponent in the vicinity of charge-density wave instabilities<\/em>
      S. Ejima<\/strong>, F. Gebhard and S. Nishimoto
      J. Magn. Magn. Mater. 310<\/strong>, 996-998 (2007)<\/a>

      <\/li>
    12. Accurate calculation of the Tomonaga-Luttinger parameter K\u03c1<\/sub> using the density-matrix renormalization group method<\/em>
      S. Ejima<\/strong>, F. Gebhard and S. Nishimoto
      Physica B 378-380<\/strong>, 304 (2006)<\/a>

      <\/li>
    13. Interplay between Spin and Charge Excitations in the Coupled Spin-Pseudospin Systems<\/em>
      Y. Ohta, S. Ejima<\/strong>, and T. Nakaegawa
      J. Low Temp. Phys. 131<\/strong>, 239 (2003)<\/a>

      <\/li>
    14. Anomalous Spin Excitations in a Coupled Spin-Pseudospin Model for Anisotropic Hubbard Ladders at Quarter Filling<\/em>
      Y. Ohta, S. Ejima<\/strong>, Y. Shibata, and T. Nakaegawa
      Physica B 329-333<\/strong>, 996 (2003)<\/a>

      <\/li>
    15. Excitations in the Coupled Spin-Pseudospin Model for Quarter-Filled Ladders<\/em>
      S. Ejima<\/strong>, T. Nakaegawa, and Y. Ohta
      Physica B 328<\/strong>, 105 (2003)<\/a><\/li><\/ol>\n\n\n\n
      <\/div>\n\n\n\n

      Habilitation<\/h2>\n\n\n\n

      Density-matrix renormalization-group study of strongly correlated many-particle systems in one dimension<\/em><\/a>
      Satoshi Ejima
      Institut f\u00fcr Physik, Universit\u00e4t Greifswald (2016)<\/p>\n\n\n\n

      <\/div>\n\n\n\n

      PhD thesis<\/h2>\n\n\n\n

      Exact numerical and analytical results for correlated lattice electrons in one dimension<\/em><\/a>
      Satoshi Ejima
      Fachbereich Physik, Phillips-Universit\u00e4t Marburg (2006)<\/p>\n\n\n\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

      Peer-reviewed articles Photoinduced metallization of excitonic insulatorsS. Ejima, F. Lange and H. FehskePhys. Rev. B 105 245126 (2022)E-print: arXiv:2204.09085 Nonequilibrium dynamics in pumped Mott insulatorsS. Ejima, F. Lange and H. FehskePhys. Rev. Res. 4, L012012 (2022)E-print: arXiv:2110.08574 Spin-charge conversion and current vortex in spin-orbit coupled systemsJ. Fujimoto, F. Lange, S. Ejima, T. Shirakawa, H. Fehske,\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"en_US","_original_post":"https:\/\/eji.mywire.org\/?page_id=11","footnotes":""},"class_list":["post-115","page","type-page","status-publish","hentry","en-US"],"_links":{"self":[{"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/pages\/115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/comments?post=115"}],"version-history":[{"count":6,"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/pages\/115\/revisions"}],"predecessor-version":[{"id":151,"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/pages\/115\/revisions\/151"}],"wp:attachment":[{"href":"https:\/\/eji.mywire.org\/wp-json\/wp\/v2\/media?parent=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}