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- Toshio Miyata, Fumio Tokunaga, +5 authors Yasutsugu Shimonishi
- Journal of biochemistry
- 1989

Tachyplesin is an antimicrobial peptide recently found in the acid extract of hemocytes from the Japanese horseshoe crab (Tachypleus tridentatus) [Nakamura, T. et al. (1988) J. Biol. Chem. 263, 16709-16713]. In our continuing studies on the peptide, we have found an isopeptide, tachyplesin II, and also polyphemusins I and II in hemocytes of the American… (More)

- Tamiaki Yoneya
- 2000

We argue that orientable open string theory without GSO projection has N=2 spacetime supersymmetry in a spontaneously broken phase. The arguments are presented both in Neveu-Schwarz-Ramond and Green-Schwarz formulations. The formal but explicit supersymmetry transformation law for string field is given in the framework of Witten’s open string field theory.… (More)

We present several non-trivial examples of the three-dimensional quantum Nambu bracket which involve square matrices or three-index objects. Our examples satisfy two fundamental properties of the classical Nambu bracket: they are skew-symmetric and they obey the Fundamental Identity. We contrast our approach to the existing literature on the quantum… (More)

- Tamiaki Yoneya
- 2000

The notion of space-time uncertainty principle in string theory is clarified and further developed. The motivation and the derivation of the principle are first reviewed in a reasonably self-contained way. It is then shown that the nonperturbative (Borel summed) high-energy and high-momentum transfer behaviors of string scattering are consistent with the… (More)

We analyze the nature of space-time nonlocality in string theory. After giving a brief overview on the conjecture of the space-time uncertainty principle, a (semi-classical) reformulation of string quantum mechanics, in which the dynamics is represented by the noncommutativity between temporal and spatial coordinates, is outlined. The formalism is then… (More)

- Tamiaki Yoneya, E. Q. Adams
- The Journal of biological chemistry
- 1961

- Tamiaki Yoneya
- 1997

We show that the path-integral quantization of relativistic strings with the Schild action is essentially equivalent to the usual Polyakov quantization at critical space-time dimensions. We then present an interpretation of the Schild action which points towards a derivation of superstring theory as a theory of quantized space-time where the squared string… (More)

- Tamiaki Yoneya
- 2003

The issue of holographic principle in the PP-wave limit of the AdS/CFT correspondence is discussed, in the hope of clarifying some confusions in the literature. We show that, in the plane-wave limit, the relation between the partition function in the bulk and the gauge-invariant correlation functions on the boundary should be interpreted on the basis of a… (More)

- Masanori Hanada, Jun Nishimura, Yasuhiro Sekino, Tamiaki Yoneya
- Physical review letters
- 2010

We study correlation functions in (0+1)-dimensional maximally supersymmetric U(N) gauge theory, which represents the low-energy effective theory of D0-branes. In the large-N limit, the gauge-gravity duality predicts power-law behaviors in the infrared region for the two-point correlation functions of operators corresponding to supergravity modes. We… (More)

- Tamiaki Yoneya
- 2007

We propose a new field-theoretic framework for formulating the non-relativistic quantum mechanics of D-particles in a Fock space of U(N) Yang-Mills theories with all different N in a unified way. D-particle field operators, creating and annihilating a D-particle and hence changing N one by one, are defined. The base space of these D-particle fields is a… (More)