International conferences/workshops

  1. “Instability of a dark soliton by quantum fluctuations in a one-dimensional lattice Bose gas”, ○Yusuke Ozaki, Kazuma Nagao, Ippei Danshita, and Kenichi Kasamatsu, The 4th Kyoto-Beijing-Tokyo Workshop on Ultracold Atomic Gases, Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, Japan, September 2019, Poster.
  2. “Kondo dynamics in ultracold alkali-earth-like atoms at finite temperatures”, ◯Shimpei Goto and Ippei Danshita, The 4th Kyoto-Beijing-Tokyo Workshop on Ultracold Atomic Gases, Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, Japan, September 2019, Invited.
  3. “Kondo Transport of Two-Orbital Fermi gases”, Shimpei Goto and ○Ippei Danshita, The 28th Annual International Laser Physics Workshop, Hwabaek International Convention Center, Gyeongju, Korea, July 2019, Invited.
  4. “Semi-classical dynamics of a dark soliton in a one-dimensional lattice Bose gas”, ○Yusuke Ozaki, Kazuma Nagao, Ippei Danshita, and Kenichi Kasamatsu, The 28th Annual International Laser Physics Workshop, Hwabaek International Convention Center, Gyeongju, Korea, July 2019, Oral.
  5. “Kondo transport dynamics of alkaline-earth-like atoms at finite temperatures”, Ippei Danshita, The 5th Conference on Condensed Matter Physics, Hentique Hotels & Resorts, Liyang, China, June 2019, Invited.
  6. “Accurate real-time dynamics of the Kondo impurity model at finite temperatures”, Ippei Danshita, Emergent phenomena in ultracold atoms: merging topology, interaction, and dynamics, Kavli Institute for Theoretical Sciences, University of Chinese Academy of Science, Beijing, China, June 2019, Invited.
  7. “Finite Temperature Dynamics of the Kondo Model in Ultracold Alkaline-Earth Atoms”, ○Shimpei Goto and Ippei Danshita, 50th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Wisconsin Center, Milwaukee, Wisconsin, USA, May 2019, Oral.
  8. “Diagnosing Kondo Effects of Fermionic Alkaline-earth Atoms through a Dipole Oscillation”, ○Shimpei Goto and Ippei Danshita, Quantum Simulation of Novel Phenomena with Ultracold Atoms, Hong Kong University of Science and Technology, Hong Kong, May 2019, Poster.

  9. “Bistability of Bose-Einstein Condensates with a Local Loss Term and Pinning Potentials”, ○Masaya Kunimi and Ippei Danshita, Quantum Simulation of Novel Phenomena with Ultracold Atoms, Hong Kong University of Science and Technology, Hong Kong, May 2019, Poster.

  10. “Semi-classical Dynamics of a Dark Soliton in One-dimensional Bose Gases in an Optical Lattice”, ○Yusuke Ozaki, Kazuma Nagao, Ippei Danshita, and Kenichi Kasamatsu, Quantum Simulation of Novel Phenomena with Ultracold Atoms, Hong Kong University of Science and Technology, Hong Kong, May 2019, Poster.

  11. “Far-from-equilibrium dynamics of the Bose-Hubbard model: Quantum and classical simulations”, Ippei Danshita, 2018 International Workshop on Quantum Information, Quantum Computing and Quantum Control, Shanghai University, Shanghai, China, November 2018, Invited.
  12. “Quench Dynamics of the Bose-Hubbard Model: Digital Classical Simulation versus Analog Quantum Simulation”, Ippei Danshita, The 3rd Beijing-Tokyo Workshop on Ultracold Atomic Gases, IAS Tsinghua University, Beijing, China, August 2018, Invited.
  13. “Response of the Higgs amplitude mode of superfluid Bose gases in a three dimensional optical lattice: effects of fluctuations and a trapping potential”, ○Kazuma Nagao, Yoshiro Takahashi, and Ippei Danshita, American Physical Society March Meeting 2018, Los Angeles Convention Center, Los Angeles, California, USA, March 2018, Oral.
  14. “Cooling schemes for ultracold gases in bilayer optical lattices”, ○Ippei Danshita and Shimpei Goto, American Physical Society March Meeting 2018, Los Angeles Convention Center, Los Angeles, California, USA, March 2018, Oral.
  15. “Study of decay of superflow of a Bose-Einstein condensate in a ring trap”, ○Masaya Kunimi and Ippei Danshita, Finite Temperature Non-equilibrium Superfluid Systems 2018, Edgewater Hotel, Wanaka, New Zealand, February 2018, Poster.
  16. “Cooling schemes for two-component fermions in bilayer optical lattices”, ○Shimpei Goto and Ippei Danshita, Finite Temperature Non-equilibrium Superfluid Systems 2018, Edgewater Hotel, Wanaka, New Zealand, February 2018, Poster.
  17. “A proposal for experimental realization of a Sachdev-Ye-Kitaev model with ultracold gases”, Ippei Danshita, Black Holes, Quantum Chaos, and Solvable Quantum Systems, Tsinghua Sanya International Mathematics Forum (TSIMF), Sanya, Hainan, China, January 2018, Invited.
  18. “Engineering dissipation in strongly correlated ultracold gases”, Ippei Danshita, Ultracold Atomic Gases and Quantum Control, Shanghai University, Shanghai, China, November 2017, Invited.
  19. “Superflow decay of a Bose-Einstein condensate in a ring trap”, ○Masaya Kunimi and Ippei Danshita, Novel Quantum States in Condensed Matter 2017, Yukawa Institute for Theoretical Physics, Kyoto University, Japan, November 2017, Poster.
  20. “Response of the Higgs amplitude mode of ultracold Bose gases in 3D optical lattices”, ○Kazuma Nagao, Yoshiro Takahashi, and Ippei Danshita, Novel Quantum States in Condensed Matter 2017, Yukawa Institute for Theoretical Physics, Kyoto University, Japan, November 2017, Poster.
  21. “Application of tensor-network techniques to far-from-equilibrium dynamics of ultracold gases”, Ippei Danshita, Tensor Networks from Simulation to Holography, DESY, Hamburg, Germany, October 2017, Invited.
  22. “Localized Higgs modes of a superfluid in an optical lattice”, Ippei Danshita, The 2nd Tokyo-Beijing Workshop on Ultracold Atoms, University of Tokyo, Tokyo, Japan, October 2017, Invited.
  23. “Lifetime of superflow of a Bose-Einstein condensate in a ring trap”, ○Masaya Kunimi and Ippei Danshita, Quantum Thermodynamics: Thermalization and Fluctuations, Yukawa Institute for Theoretical Physics, Kyoto University, Japan, October 2017, Poster.
  24. “Response of the Higgs amplitude mode of ultracold bosons in 3D optical lattices”, ○Kazuma Nagao, Yoshiro Takahashi, and Ippei Danshita, Quantum Thermodynamics: Thermalization and Fluctuations, Yukawa Institute for Theoretical Physics, Kyoto University, Japan, October 2017, Poster.
  25. “Dynamical cooling scheme for ultracold fermions in optical lattices”, ○Shimpei Goto and Ippei Danshita, Quantum Thermodynamics: Thermalization and Fluctuations, Yukawa Institute for Theoretical Physics, Kyoto University, Japan, October 2017, Poster.
  26. “Incommensurate spiral magnetic order in the Hubbard model on anisotropic triangular lattice”, Shimpei Goto, Susumu Kurihara, and Daisuke Yamamoto, The 28th International Conference on Low Temperature Physics, Swedish Exhibition Centre, Gothenburg, Sweden, August 2017, Poster.
  27. “Thermally activated phase slips of a Bose-Einstein condensate in a ring trap”, ○Masaya Kunimi and Ippei Danshita, 48th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics, Sacramento Convention Center, Sacramento, California, USA, June 2017, Oral.
  28. “Creating and probing quantum black holes by using ultracold gases in optical lattices”, Ippei Danshita, Quantum Gravity, String Theory, and Holography, YITP Kyoto University, Kyoto, Japan, April 2017, Invited.
  29. “Creating and probing quantum black holes with ultracold gases in optical lattices”, Ippei Danshita, Hangzhou Symposium for Young Researchers, Zhejiang University, Hangzhou, China, April 2017, Invited.
  30. “A proposal for creating quantum black holes with ultracold gases in optical lattices”, Ippei Danshita, Masanori Hanada, Masaki Tezuka, Fundamental Physics Using Atoms, Kyoto University, Nishikyo-ku, Kyoto, Japan, January 2017, Oral.
  31. “Criticality emerging in a dark soliton near the discontinuous superfluid-insulator transition of binary Bose mixtures”, Ippei Danshita, Topological effects in ultracold atoms, International Institute of Physics, Natal, Brazil, November 2016, Invited.
  32. “Thermally activated phase slips of one-dimensional Bose gases in shallow optical lattices”, ○Masaya Kunimi and Ippei Danshita, The 25th International Conference on Atomic Physics, COEX Convention Center, Seoul, Korea, July 2016, Poster.
  33. “Response of the Higgs amplitude mode in the 3D Bose-Hubbard model”, ○Kazuma Nagao, Yoshiro Takahashi, and Ippei Danshita, The 25th International Conference on Atomic Physics, COEX Convention Center, Seoul, Korea, July 2016, Poster.
  34. “Higgs bound states of a relativistic superfluid in the presence of a single impurity”, Ippei Danshita and Shunji Tsuchiya, 25th International Laser Physics Workshop, Yerevan, Armenia, July 2016, Invited.
  35. “Fano resonance between Nambu-Goldstone modes and Higgs bound states in a superfluid”, I. Danshita, T. Nakayama, T. Nikuni, and S. Tsuchiya, Ugo Fano Gold Medal & Ugo Fano Symposium, Marconi Hall, CNR Rome, Italy, December 2015, Invited.
  36. “Interaction between the Higgs and Nambu-Goldstone modes of superfluid Bose gases in optical lattices”, ○Kazuma Nagao and Ippei Danshita, Okinawa School in Physics: Coherent Quantum Dynamics, OIST, Okinawa, Japan, September 2015, Poster.
  37. “Bound states of Higgs modes in a relativistic superfluid”, Ippei Danshita, 12th US-Japan Seminar: Many body quantum systems from quantum gases to metrology and information processing, Monona Terrace, Madison, Wisconsin, USA, September 2015, Invited.
  38. “Finite-temperature effects on damping of the Nambu-Goldstone and Higgs modes of superfluid Bose gases in optical lattices”, ○Kazuma Nagao and Ippei Danshita, Finite-Temperature Non-Equilibrium Superfluid Systems, Hotel Haffner, Sopot, Poland, September 2015, Poster.
  39. “Higgs bound states of superfluid Bose gases in optical lattices”, Ippei Danshita, Takeru Nakayama, Tetsuro Nikuni, and Shunji Tsuchiya, Bose-Einstein Condensation 2015 – Frontiers in Quantum Gases, Hotel Eden Roc, Sant Feliu de Guixols, Spain, 2015, Poster.
  40. “Damping of the Nambu-Goldstone and Higgs Modes of Superfluid Bose Gases in Optical Lattices”, ○Kazuma Nagao and Ippei Danshita, The 24th Annual International Laser Physics Workshop, Courtyard by Marriott Hotel Shanghai Pudong, Shanghai, China, August 2015, Oral.
  41. “Superfluid Bose-Bose Mixtures Obeying a Nonlinear Schrödinger Equation with Cubic and Quintic Nonlinearities”, Ippei Danshita, Daisuke Yamamoto, and Yasuyuki Kato, The 24th Annual International Laser Physics Workshop, Courtyard by Marriott Hotel Shanghai Pudong, Shanghai, China, August 2015, Oral.
  42. “Effects of potential barriers on collective modes of strongly correlated Bose gases in optical lattices”, Ippei Danshita, Takeru Nakayama, Tetsuro Nikuni, and Shunji Tsuchiya, The 24th Annual International Laser Physics Workshop, Courtyard by Marriott Hotel Shanghai Pudong, Shanghai, China, August 2015, Poster.
  43. “Higgs bound states and heavy solitons of Bose gases in optical lattices”, Ippei Danshita, Frontiers in Quantum Simulation with Cold Atoms, INT University of Washington, Seattle, Washington, USA, April 2015, Oral.
  44. “Quantum tricriticality and heavy solitary waves of binary Bose mixtures in optical lattices”, Ippei Danshita, 579th Wilhelm and Else Heraeus Seminar “Quo vadis BEC? V”, Physikzentrum, Bad Honnef, Germany, December 2014, Invited.
  45. “Superfluid-Mott insulator transitions of binary Bose mixtures in optical lattices”, Ippei Danshita, Novel Quantum States in Condensed Matter 2014, YITP Kyoto University, Kyoto, Japan, December 2014, Oral.
  46. “Bose-Bose mixtures in optical lattices: quantum tricriticality and a bright-like dark soliton”, I. Danshita, D. Yamamoto, and Y. Kato, Coherent Control of Complex Quantum Systems, Okinawa Institute of Science and Technology, Kunigami, Okinawa, Japan, April 2014, Poster.
  47. “Bright-like dark solitons and current-phase characteristics of superfluid Bose mixtures near the first-order Mott transition”, I. Danshita, D. Yamamoto, and Y. Kato, American Physical Society March Meeting, Denver, Colorado, USA, March 2014, Oral.
  48. “Binary Bose mixtures in optical lattices”, Ippei Danshita, International Molecule-type Workshop on New Correlations in Exotic Nuclei and Advances of Theoretical Models, YITP Kyoto University, Kyoto, Japan, March 2014, Invited.
  49. “Quantum phase slips of trapped superfluid Bose gases in one dimension”, I. Danshita, The International Conference on Quantum Fluids and Solids 2013, Kunibiki Messe, Matsue, Shimane, Japan, August 2013, Poster.
  50. “Detecting superflow decay via quantum phase slips in damped dipole oscillations of one-dimensional ultracold gases”, I. Danshita, Disorder in Condensed Matter and Ultracold Atoms, Villa Monastero, Varenna, Italy, June 2013, Oral.
  51. “Damping of dipole oscillations of one-dimensional Bose gases induced by quantum phase slips”, Ippei Danshita, 44th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics, Quebec City, Quebec, Canada, June 2013, Oral.
  52. “Quantum phase slips in damped dipole oscillations of 1D ultracold gases”, Ippei Danshita, The 11th US-Japan Joint Seminar on Quantum Electronics and Laser Spectroscopy “Ultimate Quantum Systems of Light- and Matter-Control and Applications”, Nara, Japan, April 2013, Poster.
  53. “Time-evolving block decimation applied to ultracold gases in optical lattices”, Ippei Danshita, Workshop on Computational Approaches to Nuclear Many-Body Problems and Related Quantum Systems, Wako, Saitama, Japan, February 2013, Invited.
  54. “Dynamics of strongly correlated Bose gases in optical lattices”, Ippei Danshita, FY 2012 Special Postdoctoral & Foreign Postdoctoral Researcher’s Poster Session of Research Results, Wako, Saitama, Japan, January 2013, Poster.
  55. “Quantum nucleation of phase slips studied with TEBD”, Ippei Danshita, Density Matrix Renormalization Group 101 Winter School, National Taiwan University, Taipei, Taiwan, December 2012, Oral.
  56. “Polaron-paired counterflow superfluid of Bose-Fermi mixtures in optical lattices”, I. Danshita and L. Mathey, 5th International Workshop on Ultracold Group II atoms, Koganei, Tokyo, September 2012, Poster.
  57. “Strong suppression of transport due to quantum phase slips in 1D Bose gases”, I. Danshita and A. Polkovnikov, The 23rd International Conference on Atomic Physics, Palaiseau, July 2012, Poster.
  58. “Counterflow superfluid in one-dimensional Bose-Fermi mixtures in optical lattices”, I. Danshita and L. Mathey, Workshop on Quantum Simulations with Ultracold Atoms, Trieste, July 2012, Poster.
  59. “Superflow decay via quantum nucleation of phase slips in one-dimensional Bose gases”, Ippei Danshita, International Conference on Frontiers of Cold Atoms and Related Topics, Hong Kong, May 2012, Poster.
  60. “Dipolar bosons in optical lattices: critical velocity and anomalous hysteresis”, Ippei Danshita, Research Frontiers in Ultra-Cold Atoms and Molecules: Unequal Mass Mixtures and Dipolar Molecules, Cambridge, USA, April 2012, Invited.
  61. “Supercurrent decay via quantum nucleation of phase slips in one-dimensional lattice bosons”, I. Danshita and A. Polkovnikov, American Physical Society March Meeting, Boston, Massachusetts, USA, March 2012, Oral.
  62. “Quantum effects on Fermi-Pasta-Ulam recurrence in ultracold lattice bosons”, I. Danshita, R. Hipolito, V. Oganesyan, and A. Polkovnkov  American Physical Society March Meeting, Dallas, Texas, USA, March 2011, Oral.
  63. “Stability and critical velocity of dipolar bosons in a moving optical lattice”, I. Danshita and D. Yamamoto, ERATO Macroscopic quantum control conference on ultracold atoms and molecules, Tokyo, Japan, January 2011, Poster.
  64. “Transport and macroscopic quantum tunneling of one-dimensional Bose gases in an optical lattice”, I. Danshita, C. W. Clark, and A. Polkovnikov, New Development of Numerical Simulations in Low-Dimensional Quantum Systems: From Density Matrix Renormalization Group to Tensor Network Formulations, Kyoto, Japan, October 2010, Poster.
  65. “Macroscopic quantum tunneling dynamics in one-dimensional Bose gases”, I. Danshita and A. Polkovnikov, International Workshop on Density Matrix Renormalization Group and Other Advances in Numerical Renormalization Group, Beijing, China, August-September 2010, Poster.
  66. “Macroscopic quantum tunneling of supercurrents of ultracold atomic gases in a ring optical lattice”, I. Danshita and A. Polkovnikov, The International Workshop “Ultracold Fermi Gas: Superfluidity and Strong-Correlation”, Tokyo, Japan, May 2010, Invited.
  67. “Numerical verification of the instanton method on macroscopic quantum tunneling: phase slip dynamics”, I. Danshita and A. Polkovnkov, APCTP-KIAS Joint Workshop on Quantum Entanglement and Dynamics in Correlated   Many-Body Systems, Pohang, Korea, May 2010, Oral.
  68. “Numerical verification of the instanton method on macroscopic quantum tunneling: phase slip dynamics”, I. Danshita and A. Polkovnkov American Physical Society March Meeting, Portland, Oregon, USA, March 2010, Oral.
  69. “Supercurrent dynamics in one-dimensional Bose gases in a ring optical lattice”, I. Danshita and A. Polkovnikov, CIFAR UltraCold Matter Meeting, Halifax, Nova Scotia, Canada, August 12th 2009, Poster.
  70. “Supercurrent decay in one-dimensional Bose gases in a ring optical lattice”, I. Danshita and A. Polkovnikov, 40th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics,   Charlottesville, Virginia, USA, May 2009, Oral.
  71. “Damped dipole oscillations of one-dimensional Bose gases in an optical lattice”, I. Danshita and C. W. Clark, Conference on Research Frontier in Ultra-Cold atoms, Trieste, Italy, May 2009, Poster.
  72. “Superfluid and supersolid phases of dipolar bosons in an optical lattice”, I. Danshita and C. A. R. Sá de Melo, 39th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics, State College, Pennsylvania, USA, May 28th 2008, Poster.
  73. “Damped motion of one-dimensional Bose gases in an optical lattice”, I. Danshita and C. W. Clark, 39th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics, State College, Pennsylvania, USA, May 2008, Oral.
  74. “Superfluid-to-Mott insulator transition of ultracold bosons in double-well optical lattices”, I. Danshita, J. E. Williams, C. A. R. Sá de Melo, and C. W. Clark, Bose-Einstein Condensation 2007, Sant Feliu de Guixols, Spain, September 2007, Poster.
  75. “Quantum phase transition of ultracold bosons in double-well optical lattices”, I. Danshita, J. E. Williams, C. A. R. Sá de Melo, and C. W. Clark, 16th, International Laser Physics Workshop, Leon, Mexico, August 2007, Oral.
  76. “Phase diagram of the two-leg Bose-Hubbard model”, I. Danshita, J. E. Williams, C. A. R. Sá de Melo, and C. W. Clark, 38th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics, Calgary, Canada, June 2007, Oral.
  77. “Phase diagram for ultracold bosons in double-well optical lattices”, I. Danshita, J. E. Williams, C. A. R. Sá de Melo, and C. W. Clark American Physical Society March Meeting, Denver, Colorado, USA, March 2007, Oral.
  78. “Elementary excitations and superfluidity of Bose-Einstein condensates in inhomogeneous media”, Ippei Danshita, The 4th 21st century COE symposium on Physics of Self-organization System: Self-organization Phenomena in Condensed Matter, Waseda University, Tokyo, Japan, September 2006, Invited.
  79. “Bogoliubov excitations and superfluidity in a Kronig-Penney potential”, I. Danshita, S. Kurihara, and S. Tsuchiya, American Physical Society March Meeting, Baltimore, Maryland, USA, March 2006, Oral.
  80. “Elementary excitations of condensates in Kronig-Penney potentials”, I. Danshita, S. Kurihara, and S. Tsuchiya 24th International Conference on Low Temperature Physics, Orland, USA, August 21st 2005, Poster.
  81. “Crossover from the dipole mode to the Josephson plasma mode of condensate excitations in a double-well traps”, I. Danshita, N. Yokoshi, and S. Kurihara   The 14th International Laser Physics Workshop, Kyoto, Japan, July 2005, Poster.
  82. “Quasi-resonant tunneling in bosonic superfluid-insulator-superfluid junctions”, I. Danshita, N. Yokoshi, and S. Kurihara, The 13th International Laser Physics Workshop, Trieste, Italy, July 2004, Oral.
  83. “Phase dependence of tunneling of phonon excitations between two Bose-Einstein condensates”, I. Danshita, N. Yokoshi, and S. Kurihara, International Symposium on Quantum Fluids and Solids, Albuquerque, New Mexico, USA, August 2003, Poster.