Publications

  1. H. Shiba and T. Nikuni, CsCuCl3 in High Magnetic Field: Role of Quantum Fluctuations, Recent Advances in Magnetism of Transition Metal Compounds, ed. A. Kotani and N. Suzuki (World Scientific, Singapore, 1993) p.372.

  2. T. Nikuni and H. Shiba , Quantum Fluctuations and Magnetic Structures of CsCuCl3 in High Magnetic Field, J. Phys. Soc. Jpn. 62, 3268 (1993).

  3. A. E. Jacobs, T. Nikuni and H. Shiba , Theory of Magnetic Structures of CsCuCl3 in Transverse Field, J. Phys. Soc. Jpn. 62, 4066 (1993).

  4. Tetsuro Nikuni , Long range order selected by quantum fluctuations --CsCuCl3 and RbFeCl3--, Kotai Butsuri (Solid State Physics), Vol.30, No.6, p.575 (1995) (in Japanese).

  5. T. Nikuni and H. Shiba , Hexagonal Antiferromagnets in Strong Magnetic Field: Mapping onto Bose Condensation of Low-Density Bose Gas, J. Phys. Soc. Jpn. 64, 3471 (1995).

  6. T. Nikuni , Quantum Fluctuations and Magnetic Structures of Hexagonal Antiferromagnet: CsCuCl3 in Magnetic Field, Ph.D. thesis, Tokyo Institute of Technology, (1996). Abstract Full Text

  7. T. Nikuni and A. E. Jacobs , Quantum fluctuations in the incommensurate phase of CsCuCl3 in a transverse magnetic field, Phys. Rev. B 57, 5205 (1998).

  8. E. Zaremba, A. Griffin and T. Nikuni , Two-fluid hydrodynamics for a trapped weakly-interacting Bose gas, Phys. Rev. A 57, 4695 (1998).

  9. M. E. Zhitomirsky and T. Nikuni , Magnetization curve of a square lattice Heisenberg antiferromagnet, Phys. Rev. B 57, 5013 (1998).

  10. M. E. Zhitomirsky and T. Nikuni , Two-dimentional Heisenberg antiferromagnet in strong magnetic fields, Physica B 241-243, 573 (1998).

  11. T. Nikuni and A. Griffin , Hydrodynamic damping in trapped Bose gases , Journal of Low Temperature Physics 111, 793 (1998).

  12. A. Jacobs and T. Nikuni , Fluctuation-induced phase in CsCuCl3 in transverse magnetic field: Theory , J. Phys.:Condens. Matter 10, 6405 (1998).

  13. T. Nikuni and A. Griffin , Hydrodynamic modes and pulse propagation in a cylindrical Bose gas above the Bose-Einstein transition , Phys. Rev. A58 , 4044 (1998)

  14. T. Nikuni, E. Zaremba and A. Griffin , Two-fluid dynamics for a Bose-Einstein condensate out of local equilibrium with the non-condensate , Physical Review Letters, 83, 10 (1999).

  15. E. Zaremba, T. Nikuni and A. Griffin , Dynamics of trapped Bose gases at finite temperatures , Journ. Low Temp. Physics, 116 277 (1999).

  16. T. Nikuni, M. Oshikawa, A. Oosawa and H. Tanaka, Bose-Einstein condensation of dilute magnons in TlCuCl3 , Physical Review Letters, 84, 5868 (2000).

  17. T. Nikuni, A. Griffin and E. Zaremba , Two-fluid hydrodynamics for a Bose gas including damping from normal fluid transport coefficients, Canadian Journal of Physics for the Boris Stoicheff Festschrift issue 78, 415 (2000).

  18. H. Shiba, T. Nikuni and A. Jacobs , Fluctuation-Induced Magnetic Order of RbFeCl3 in a Magnetic Field, Journal of Physical Society of Japan, 69, 1484 (2000).

  19. A. Griffin and T. Nikuni , Two-Fluid Hydrodynamics in Trapped Bose Gases and in Superfluid Helium, Proceedings of International Symposium on Quantum Fluids and Solids, Minneapolis, June, 2000, Journal of Low Temperature Physics 121, 247 (2000).

  20. T. Nikuni and A. Griffin , Landau-Khalatnikov two-fluid hydrodynamics of a trapped Bose gas, Physical Review A 63 033608 (2001); 64 049902(E).

  21. H. Tanaka, A. Oosawa, T. Nikuni and M. Oshikawa , Field-Induced Magnetic Ordering and Bose-Einstein Condensation of Magnons in TlCuCl3 , BUTSURI 56 110 (2001) (in Japanese).

  22. T. Nikuni and A. Griffin, Temperature-depdendent relaxation times in a trapped Bose-condensed gas , Phys. Rev. A 65, 011601 (2002).

  23. J.E. Williams, E. Zaremba, B. Jackson, T. Nikuni, and A. Griffin, Dynamical instability of a condensate induced by the rotating thermal gas , Phys. Rev. Lett. 88, 070401 (2002).

  24. T. Nikuni, Finite temperature theory of the scissors mode in a Bose gas using the moment method , Phys. Rev. A 65, 033611 (2002).

  25. A.E. Jacobs and T. Nikuni, Magnetic structures of RbCuCl3 in a transverse field, Phys. Rev. B 65, 174405 (2002).

  26. J.E. Williams, T. Nikuni, and C.W. Clark, Longitudinal spin waves in a dilute Bose gas, Phys. Rev. Lett. 88, 230405 (2002).

  27. J.M. McGuirk, H.J. Lewandowski, D.M. Harber, T. Nikuni, J.E. Williams, E.A. Cornell, Spatial resolution of spin waves in an ultra-cold gas, Phys. Rev. Lett. 89, 090402 (2002); see also the news brief on the Scientific American homepage.

  28. T. Nikuni, J.E. Williams, and C.W. Clark, Linear spin waves in a trapped Bose gas, Phys. Rev. A 66, 043411 (2002).

  29. T. Nikuni and J.E. Williams, Kinetic Theory of a Spin-1/2 Bose-Condensed Gas, J. Low Temp. Phys. 133, 323 (2003); erratum.

  30. T. Nikuni and A. Griffin, Frequency and damping of hydrodynamic modes in a trapped Bose-condensed gas , Phys. Rev. A 69, 023604 (2004).

  31. J.E. Williams, T. Nikuni, N. Nygaard, and C.W. Clark, Atom-molecule equilibration in a degenerate Fermi gas with resonant interactions, J. Phys. B: At. Mol. Opt. Phys. 37 L351 (2004).

  32. S. Konabe, T. Nikuni, and M. Nakamura, Laser probing of single-particle energy gap of a Bose gas in an optical lattice in the Mott insulator phase, Phys. Rev. A 73 033621 (2006).

  33. S. Konabe and T. Nikuni, Instability of a superfluid Bose gas induced by a locked thermal gas in an optical lattice, J. Phys. B: At. Mol. Opt. Phys., 39 S101 (2006).

  34. K. Iigaya, S. Konabe, I. Danshita, and T. Nikuni, Landau damping: instability mechanism of superfluid Bose gases moving in optical lattices, Phys. Rev. A 74 053611 (2006).

  35. E. Arahata and T. Nikuni, Bose-Condensed Gases in a 1D Optical Lattice at Finite Tempeatures , J. Low Temp. Phys. 148, 345 (2007).

  36. S. Watabe, T. Nikuni, N. Nygaard, J. E. Williams, and C. W. Clark, Adiabatic Phase Diagram of Degenerate Fermi Gas with Feshbach-Resonance , J. Low Temp. Phys. 148, 435 (2007).

  37. T. Sato, T. Ishiyama, and T. Nikuni Vortex Lattice Structures of a Bose-Einstein Condensate in a Rotating Lattice Potential , J. Low Temp. Phys. 148, 369 (2007).

  38. S. Konabe and T. Nikuni, Hydrodynamics of Superfluid Bose Gases in an Optical Lattice at Finite Temperatures , J. Low Temp. Phys. 148, 453 (2007).

  39. K. Iigaya, S. Konabe, I. Danshita, and T. Nikuni, Instability Bose-Einstein Condensates Moving in Optical Lattices, Laser Physics 17 215 (2007).

  40. S. Watabe, T. Nikuni, N. Nygaard, J. E. Williams, and C. W. Clark, Adiabatic Phase Diagram of an Ultracold Atomic Fermi Gas with a Feshbach Resonance, J. Phys. Soc. Jpn. 76, 064003 (2007).

  41. T. Sato, T. Ishiyama, and T. Nikuni Vortex Lattice Structures of a Bose-Einstein Condensate in a Rotating Triangular Lattice Potential , Phys. Rev. A 76, 053628 (2007).

  42. S. Konabe and T. Nikuni, Coarse-Grained Finite-Temperature Theory for the Condensate in Optical Lattices, J. Low Temp. Phys. 150, 12 (2008).

  43. S. Watabe and T. Nikuni, Conversion Efficiencies of Heteronuclear Feshbach Molecules, Phys. Rev. A 77, 013616 (2008).

  44. Y. Endo and T. Nikuni, Spin dynamics of a trapped spin-1 Bose Gas above the Bose-Einstein transition temperature, J. Low Temp. Phys. 152, 21 (2008).

  45. E. Arahata and T. Nikuni, Damping of Condensate Oscillation of a Trapped Bose Gas in a One-Dimensional Optical Lattice at Finite Temperatures, Phys. Rev. A 77, 033610 (2008).

  46. S. Yoshimura, S. Konabe, and T. Nikuni, Adiabatic Cooling and Heating of Cold Bosons in Three-Dimensional Optical Lattices and Superfluid-Normal Phase Transition , Phys. Rev. A 78, 015602 (2008).

  47. R. Ichihara, I. Danshita, and T. Nikuni, Matter-wave dark solitions in a doboule-well potential , Phys. Rev. A 78, 063604 (2008)

  48. E. Arahata and T. Nikuni, Temperature Dependence of Critical Velocity in a Bose Gas in a Moving Optical Lattice, J. Phys. Conf. Ser. 150, 032006 (2009)

  49. T. Ozaki and T. Nikuni, Quantum Phase Structures of Bose-Bose Mixtures in Optical Lattices, J. Phys. Conf. Ser. 150, 042158 (2009)

  50. A. Motohashi and T. Nikuni, Stability of Atomic and Molecular BECs in a Double-Well Potential, J. Phys. Conf. Ser. 150, 032067 (2009)

  51. E. Arahata and T. Nikuni, Critical Velocity in a Bose Gas in a Moving Optical Lattice at Finite Temperatures, Phys. Rev. A 79, 063606 (2009).

  52. Y. Endo and T. Nikuni, Population Dynamics of a Spin-1 Bose Gas Above the Bose-Einstein Transition Temperature, J. Phys. Soc. Jpn. 78, 094005 (2009).

  53. E. Arahata and T. Nikuni, Propagation of Second Sound in a Superfluid Fermi Gas in the Unitary Limit, Phys. Rev. A 80, 043613 (2009).

  54. A. Griffin, T. Nikuni, and E. Zaremba, Bose-Condensed Gases at Finite Temperatures, Cambridge University Press (2009).

  55. S. Watabe and T. Nikuni, Zero and First Sound in Normal Fermi Systems, J. Low Temp. Phys. 158, 773-805 (2010).

  56. Y. Endo and T. Nikuni, Population Dynamics of a Spin-1 Bose Gas at Finite Temperatures, J. Low Temp. Phys. 158, 16-22 (2010).

  57. A. Motohashi and T. Nikuni, Quantum Dynamics of Atom-Molecule BECs in a Double-Well Potential, J. Low Temp.Phys. 158, 72-78 (2010).

  58. Y. Endo and T. Nikuni, Equilibrium Properties of a Trapped Dipolar Fermion at Finite Temperatures , Phys. Rev. A 81, 063624 (2010).

  59. S. Watabe and T. Nikuni, Dynamic Structure Factor of Normal Fermi Gas from Collisionless to Hydrodynamic Regime, Phys. Rev. A 82, 033622 (2010).

  60. A. Motohashi and T. Nikuni, Particle-Localized Ground State of Atom-Molecule Bose-Einstein Condensates in a Double-Well Potential, , Phys. Rev. A 82, 033631 (2010).

  61. Y. Endo and T. Nikuni, Kinetic Theory of a Spin-1 Bose Condensed Gas at Finite Temperatures , J. Low Temp. Phys. 163, 92 (2011).

  62. Y. Endo, T. Miyakawa, and T. Nikuni, Statistical Difference in the Normal Phase of the Dipolar Ultracold Gases at Finite Temperatures, Journal of Physical Society of Japan 80, 044006 (2011).

  63. E. Arahata, T. Nikuni, and A. Griffin, Single-particle spectral density of a Bose gas in the two-fluid hydrodynamic regime, Phys. Rev. A 84, 053612 (2011).

  64. Takeshi Ozaki and Tetsuro Nikuni, Phase Separation in Bose-Bose Mixtures in an Optical Lattice, J. Phys. Soc. Jpn. 81, 024001 (2012).

  65. Takuya Saito, Ippei Danshita, Takeshi Ozaki, Tetsuro Nikuni, Detecting the superfluid critical momentum of Bose gases in optical lattices through dipole oscillations , Phys. Rev. A 86, 023623 (2012).

  66. E. Arahata and T. Nikuni, Dynamical Simulation of Sound Propagation in a Highly Elongated Trapped Bose Gas at Finite Temperatures, J. Low Temp. Phys. 171, 369 (2013).

  67. Takeshi Ozaki, Ippei Danshita, and Tetsuro Nikuni, Bose-Bose mixtures in an optical lattice: First-order superfluid-insulator transition and elementary excitations , Submitted to Physical Review A.

  68. E. Arahata and T. Nikuni, Propagation of First and Second Sound in a Highly-Elongated Trapped Bose Condensed Gas at Finite temperatures, Phys. Rev. A 87, 033610 (2013); 049907(E) (2013).

  69. D. Yamamoto, C. Sato, T. Nikuni, and S. Tsuchiya, Flow-Induced Charge Modulations in Superfluid Atomic Fermions Loaded into an Optical Kagome Lattice, Phys. Rev. Lett. 110, 145304 (2013).

  70. Shunji Tsuchiya, R. Ganesh, and Tetsuro Nikuni, Higgs mode in a superfluid of Dirac fermions, Phys. Rev. B 88, 014527 (2013).

  71. M. Shinozaki, S. Tsuchiya, S. Abe, T. Ozaki, and T. Nikuni, Elementary Excitations of Antiferromagnetic Spin-1 Bosons in an Optical Lattice, J. Low Temp. Phys. 175, 236 (2014).

  72. T. Kaminaka, J. Sato, and T. Nikuni, Exact Analysis of a One-Dimensional Weakly Repulsive Bose-Fermi Mixture, J. Low Temp. Phys. 175, 287 (2014).

  73. E. Arahata and T. Nikuni, "Theory of the Two-Particle Emission from Superfluid Fermi Gases in the BCS-BEC Crossover", Phys. Rev. A, in press.  (2014).

          Contact: Tetsuro Nikuni (nikuni_@_rs.kagu.tus.ac.jp)