Quantum Phase Transitions of Hard-Core Bosons in Background Potentials
| dc.creator | Priyadarshee, Anand | |
| dc.creator | Chandrasekharan, Shailesh | |
| dc.creator | Lee, Ji-Woo | |
| dc.creator | Baranger, Harold U. | |
| dc.date | 2006-07-10 | |
| dc.date | 2006-09-14 | |
| dc.date.accessioned | 2026-07-07T07:15:55Z | |
| dc.date.available | 2026-07-07T07:15:55Z | |
| dc.description | We study the zero temperature phase diagram of hard core bosons in two dimensions subjected to three types of background potentials: staggered, uniform, and random. In all three cases there is a quantum phase transition from a superfluid (at small potential) to a normal phase (at large potential), but with different universality classes. As expected, the staggered case belongs to the XY universality, while the uniform potential induces a mean field transition. The disorder driven transition is clearly different from both; in particular, we find z~1.4, ν~1, and β~0.6. | |
| dc.description | 4 pages (6 figures); published version-- 2 references added, minor clarifications | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0607251 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0607251 | |
| dc.identifier | Phys. Rev. Lett. 97, 115703 (2006) | |
| dc.identifier | doi:10.1103/PhysRevLett.97.115703 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/113397 | |
| dc.subject | Statistical Mechanics | |
| dc.subject | Superconductivity | |
| dc.title | Quantum Phase Transitions of Hard-Core Bosons in Background Potentials | |
| dc.type | text |