Manabu Machida Research Associate ( Optics and Imaging Group) Department of Bioengineering, University of Pennsylvania Philadelphia, PA 19104 215-746-3018 Ph.D., The University of Tokyo, 2004

Research fields:

• Radiative Transfer
• Random laser
• Quantum Hall effect
• Electron spin resonance
• Nanomagnets
• Quantum chaos

Education:

Degrees:

Research Experiences:

Publications:

• [2008a]
  M. Machida, J. Goryo, and N. Hatano:
  "Transient Oscillation of Currents in Quantum Hall Effect of Bloch Electrons"
  J. Phys. Soc. Jpn. 77 (2008) 024713--1-8.  ( cond-mat/0712.1387)

• [2006b]
  M. Machida, N. Hatano, and J. Goryo:
  "Temporal Oscillation of Conductances in Quantum Hall Effect of Bloch Electrons"
  J. Phys. Soc. Jpn. 75 (2006) 063704--1-4.  ( cond-mat/0604072)

• M. Machida and S. Miyashita:
  "Survival probability and saturation energy in periodically driven quantum chaotic systems"
  in preparation.

• M. Machida and S. Miyashita:
  "Diffusion of a Random-Matrix Model with an Oscillating Parameter"
  in preparation.

• M. Machida, T. Iitaka, and S. Miyashita:
  "The ESR intensity and the Dzyaloshinsky-Moriya interaction of the nanoscale molecular magnet V₁₅"
  in preparation.

• [2006a]
  M.Machida, T. Iitaka, and S. Miyashita:
  "ESR Intensity and Anisotropy of the Nanoscale Molecular Magnet V₁₅"
  AIP Conf. Proc. 850 (2006) 1143-1144.

• [2005d]
  M.Machida and K.Saito:
  "Distribution of the spacing between two adjacent avoided crossings"
  Phys. Rev. E 72 (2005) 056206--1-5.  ( nlin/0501439)

• [2005c]
  M. Machida and S. Miyashita:
  "Spectral statistics and the Dzyaloshinsky-Moriya interaction of nanomagnet V₁₅"
  Physica E 29 (2005) 538-540.

• [2005b]
  M. Machida:
  "Eigenvalues of nanoscale molecular magnets"
  Bussei Kenkyu 84 (2005) 390-391.

• [2005a]
  M. Machida, T. Iitaka, and S. Miyashita:
  "Temperature dependence of ESR intensity for the nanoscale molecular magnet V₁₅"
  J. Phys. Soc. Jpn. Suppl. 74 (2005) 107-110.  ( cond-mat/0501439)

• [2004a]
  H. De Raedt, S. Miyashita, K. Michielsen, and M. Machida:
  "Dzyaloshinskii-Moriya interactions and adiabatic magnetization dynamics in molecular magnets"
  Phys. Rev. B 70 (2004) 064401-1--12.  ( cond-mat/0312581)

• [2003a]
  M.Machida, K.Saito, and S.Miyashita:
  "Frequency Dependence of Quantum Localization in a Periodically Driven System"
  J. Phys. Soc. Jpn. 72 (2003) Suppl. C 109-110.

• [2002b]
  M. Machida, K. Saito, and S. Miyashita:
  Prog. Theor. Phys. Suppl. 145 (2002) 290-293.

• [2002a]
  M. Machida, K. Saito, and S. Miyashita:
  "Frequency Dependence of Quantum Localization in a Periodically Driven System"
  J. Phys. Soc. Jpn. 71 (2002) 2427-2433.  ( nlin/0207038)

International conferences:

• International Conference on Quantum Mechanics and Chaos
  (Osaka City University, Osaka, Japan, September 19-21, 2006)
  Manabu Machida, Naomichi Hatano, and Jun Goryo:
  "Temporal oscillation of conductances in the Hofstadter butterfly"   (poster)

• Dynamics and Relaxation in Complex Quantum and Classical Systems and Nanostructures
  (Max Planck Institute for the Physics of Complex Systems, Dresden, Germany, August 2, 2006)
  Manabu Machida, Naomichi Hatano, and Jun Goryo:
  "Fluctuation of conductances in quantum hall effect"   (oral [pdf])

• 19th Annual Workshop
  Recent Developments in Computer Simulation Studies in Condensed Matter Physics
  (The University of Georgia, Athens, GA, USA, February 20-24, 2006)
  Manabu Machida, Toshiaki Iitaka, and Seiji Miyashita:
  "Simulational Study on the Linear Response for Huge Hamiltonians - Temperature Dependence of the ESR of a Nanomagnet"   (oral)

• [Invited]  The 2nd International Workshop Hangzhou 2005 on Simulational Physics
  (Zhejiang University, Hangzhou, China, December 2-4, 2005)
  Manabu Machida, Toshiaki Iitaka, and Seiji Miyashita:
  "Numerical simulation of the temperature dependence of the ESR intensity of nanomagnet V15"   (oral)

• 24th International Conference on Low Temperature Physics
  (Florida, USA, August 10-17, 2005)
  Manabu Machida, Toshiaki Iitaka, and Seiji Miyashita:
  "ESR intensity and anisotropy of nanoscale molecular magnet V15"   (oral [ppt])

• Conference on Single Molecule Magnets and Hybrid Magnetic Nanostructures
  (ICTP, Trieste, Italy, June 27-July 1, 2005)
  Manabu Machida, Toshiaki Iitaka, and Seiji Miyashita:
  "Numerical study on ESR of V15"   (poster [ppt])

• First International Symposium on Nanometer-scale Quantum Physics (nanoPHYS'05)
  (T.I.Tech, Tokyo, Japan, January 26-28, 2005)
  Manabu Machida and Seiji Miyashita:
  "Spectral statistics and the Dzyaloshinsky-Moriya interaction of nanomagnet V15"   (poster [ppt])

• International Conference on Statistical Physics of Quantum Systems
  -- novel orders and dynamics --
  (Sendai International Center, Sendai, Japan, July 17-20, 2004)
  Manabu Machida, Seiji Miyashita, and Toshiaki Iitaka:
  "Anisotropy and Dzyaloshinsky-Moriya Interaction in V15"   (poster [ppt])

• Microscopic Chaos and Transport in Many-Particle Systems
  (Max Planck Institute, Dresden, Germany, August 12-17, 2002)
  Manabu Machida, Keiji Saito, and Seiji Miyashita:
  "Frequency Dependence of Quantum Localization in a Periodically Driven System"   (poster [ppt])

• International Workshop on Materials Simulation
  (Shonan, Kanagawa, Japan, November 7-10, 2001)
  Manabu Machida, Keiji Saito, and Seiji Miyashita:
  "Response of systems with complex structure of levels to a varying external field"  (poster)