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dc.contributor.author차민철-
dc.date.accessioned2018-10-29T01:26:22Z-
dc.date.available2018-10-29T01:26:22Z-
dc.date.issued2008-02-
dc.identifier.citationJOURNAL OF THE KOREAN PHYSICAL SOCIETY, v. 52, Page. S162-S165en_US
dc.identifier.issn0374-4884-
dc.identifier.urihttp://www.jkps.or.kr/journal/view.html?uid=9543&vmd=Full-
dc.identifier.urihttp://repository.hanyang.ac.kr/handle/20.500.11754/76793-
dc.description.abstractWe study quantum phase transitions of a hard-core boson model with nearest-neighbor repulsion in two dimensions. By tuning chemical potential at a fixed hopping strength, the system undergoes a phase transition from solid phase to superfluid phase. Via quantum Monte Carlo with directed loop algorithm, we find that there is hysteresis in density of bosons as a function of chemical potential. This result is reinforced by the analysis of the histogram of density near the transition, where we obtain two peaks. Our result confirms that the transition is of the first order and we find no sign of a macroscopic supersolid state.en_US
dc.language.isoen_USen_US
dc.publisherKOREAN PHYSICAL SOCen_US
dc.subjectquantum Monte Carloen_US
dc.subjecthard-core bosonsen_US
dc.subjectquantum phase transitionsen_US
dc.titlePhase Transitions in a Hard-Core Boson Model in Two Dimensionsen_US
dc.typeArticleen_US
dc.identifier.doi10.3938/jkps.52.162-
dc.relation.journalJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.contributor.googleauthorLee, Ji-Woo-
dc.contributor.googleauthorCha, Min-Chul-
dc.relation.code2008205987-
dc.sector.campusE-
dc.sector.daehakCOLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E]-
dc.sector.departmentDEPARTMENT OF PHOTONICS AND NANOELECTRONICS-
dc.identifier.pidmccha-


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