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cond-mat.mes-hall2004
Quantum Monte-Carlo method without negative-sign problem for two-dimensional electron systems under strong magnetic fields
Sei Suzuki, Tatsuya Nakajima
The quantum Monte-Carlo method is applied to two-dimensional electron systems under strong magnetic fields. The negative-sign problem involved by this method can be avoided for cer…
cond-mat.mes-hall2004
Nambu-Goldstone Mode in a Rotating Dilute Bose-Einstein Condensate
Masahito Ueda, Tatsuya Nakajima
The Nambu-Goldstone mode, associated with vortex nucleation in a harmonically confined, two-dimensional dilute Bose-Einstein condensate, is identified with the lowest-lying envelop…