• 72 Citations
  • 3 h-Index
19972014

Research output per year

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Research Output

  • 72 Citations
  • 3 h-Index
  • 8 Article
  • 1 Review article
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Article
2014

Noncommutative spacetime realized in AdSn+1 space: Nonlocal field theory out of noncommutative spacetime

Naka, S., Toyoda, H., Takanashi, T. & Umezawa, E., 04-2014, In : Progress of Theoretical and Experimental Physics. 2014, 4, 043B03.

Research output: Contribution to journalArticle

2010

Multi-shelled q-ball imaging: Moment-based orientation distribution function

Umezawa, E., Yoshikawa, M., Ohno, K., Yoshikawa, E. & Yamaguchi, K., 01-12-2010, In : Magnetic Resonance in Medical Sciences. 9, 3, p. 119-129 11 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2006

q-Space imaging using small magnetic field gradient

Umezawa, E., Yoshikawa, M., Yamaguchi, K., Ueoku, S. & Tanaka, E., 01-12-2006, In : Magnetic Resonance in Medical Sciences. 5, 4, p. 179-189 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2003

Lorentz Invariance and the Unitarity Problem in Non-Commutative Field Theory

Morita, K., Okumura, Y. & Umezawa, E., 11-2003, In : Progress of Theoretical Physics. 110, 5, p. 989-1001 13 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Lorentz-invariant non-commutative space-time based on DFR algebra

Kase, H., Morita, K., Okumura, Y. & Umezawa, E., 01-04-2003, In : Progress of Theoretical Physics. 109, 4, p. 663-685 23 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)
2000

Bi-local Higgs-like fields based on non-commutative geometry

Naka, S., Abe, S., Umezawa, E. & Matsufuji, T., 02-2000, In : Progress of Theoretical Physics. 103, 2, p. 411-423 13 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1998

Constraints among coupling constants in noncommutative geometry models

Umezawa, E., 01-01-1998, In : Progress of Theoretical Physics. 100, 2, p. 375-394 20 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1997
3 Citations (Scopus)