Robustness of regularities for energy centroids in the presence of random interactions

Journal Article · Thu Dec 15 00:00:00 EST 2005 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.72.064314· OSTI ID:20771090

Zhao, Y M ^[1]; Arima, A ^[2]; Yoshida, N ^[3]; Ogawa, K ^[4]; Yoshinaga, N ^[5]; Kota, V K. B. ^[6]

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1. Department of Physics, Shanghai Jiao Tong University, Shanghai 200240 (China)
2. Science Museum, Japan Science Foundation, 2-1 Kitanomaru-koen, Chiyodaku, Tokyo 102-0091 (Japan)
3. Faculty of Informatics, Kansai University, Takatsuki, 569-1095 (Japan)
4. Department of Physics, Chiba University, Yayoi-cho 1-33, Inage, Chiba 263-8522 (Japan)
5. Department of Physics, Saitama University, Saitama 338-8570 (Japan)
6. Physical Research Laboratory, Ahmedabad 380 009 (India)

In this paper we study energy centroids such as those with fixed spin and isospin and those with fixed irreducible representations for both bosons and fermions, in the presence of random two-body and/or three-body interactions. Our results show that regularities of energy centroids of fixed-spin states reported in earlier works are very robust in these more complicated cases. We suggest that these behaviors might be intrinsic features of quantum many-body systems interacting by random forces.

• OSTI ID: 20771090
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 72, Issue 6; Other Information: DOI: 10.1103/PhysRevC.72.064314; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOSONS
FERMIONS
IRREDUCIBLE REPRESENTATIONS
ISOSPIN
RANDOMNESS
SPIN
THREE-BODY PROBLEM
TWO-BODY PROBLEM