@article {1437,
	title = {Path to Wigner localization in circular quantum dots},
	journal = {Physical Review B},
	volume = {79},
	number = {23},
	year = {2009},
	note = {<p>ISI Document Delivery No.: 466XUTimes Cited: 6Cited Reference Count: 31Cited References:      Guclu AD, 2008, PHYS REV B, V77, DOI 10.1103/PhysRevB.77.041301     Ghosal A, 2007, PHYS REV B, V76, DOI 10.1103/PhysRevB.76.085341     Ghosal A, 2006, NAT PHYS, V2, P336, DOI 10.1038/nphys293     Weiss S, 2005, PHYS REV B, V72, DOI 10.1103/PhysRevB.72.245301     Yannouleas C, 2004, PHYS REV B, V70, DOI 10.1103/PhysRevB.70.235319     Yannouleas C, 2004, PHYS REV B, V69, DOI 10.1103/PhysRevB.69.113306     Reusch B, 2003, EUROPHYS LETT, V64, P84, DOI 10.1209/epl/i2003-00137-2     Yannouleas C, 2003, PHYS REV B, V68, DOI 10.1103/PhysRevB.68.035325     Yannouleas C, 2003, PHYS REV B, V68, DOI 10.1103/PhysRevB.68.035326     Mikhailov SA, 2002, PHYS REV B, V66, DOI 10.1103/PhysRevB.66.153313     Reimann SM, 2002, REV MOD PHYS, V74, P1283, DOI 10.1103/RevModPhys.74.1283     Yannouleas C, 2002, PHYS REV B, V66, DOI 10.1103/PhysRevB.66.115315     Filinov AV, 2001, PHYS REV LETT, V86, P3851, DOI 10.1103/PhysRevLett.86.3851     Bernu B, 2001, PHYS REV LETT, V86, P870, DOI 10.1103/PhysRevLett.86.870     Pederiva F, 2000, PHYS REV B, V62, P8120, DOI 10.1103/PhysRevB.62.8120     Reimann SM, 2000, PHYS REV B, V62, P8108, DOI 10.1103/PhysRevB.62.8108     Egger R, 1999, PHYS REV LETT, V83, P462, DOI 10.1103/PhysRevLett.83.462     Yannouleas C, 1999, PHYS REV LETT, V82, P5325, DOI 10.1103/PhysRevLett.82.5325     Egger R, 1999, PHYS REV LETT, V82, P3320, DOI 10.1103/PhysRevLett.82.3320     Kouwenhoven LP, 1997, SCIENCE, V278, P1788, DOI 10.1126/science.278.5344.1788     Muller HM, 1996, PHYS REV B, V54, P14532, DOI 10.1103/PhysRevB.54.14532     Ashoori RC, 1996, NATURE, V379, P413, DOI 10.1038/379413a0     JAIN JK, 1995, EUROPHYS LETT, V29, P321, DOI 10.1209/0295-5075/29/4/009     FERCONI M, 1994, PHYS REV B, V50, P14722, DOI 10.1103/PhysRevB.50.14722     BEDANOV VM, 1994, PHYS REV B, V49, P2667, DOI 10.1103/PhysRevB.49.2667     KASTNER MA, 1993, PHYS TODAY, V46, P24, DOI 10.1063/1.881393     KASTNER MA, 1992, REV MOD PHYS, V64, P849, DOI 10.1103/RevModPhys.64.849     ASHOORI RC, 1992, PHYS REV LETT, V68, P3088, DOI 10.1103/PhysRevLett.68.3088     MEIRAV U, 1990, PHYS REV LETT, V65, P771, DOI 10.1103/PhysRevLett.65.771     JAIN JK, 1989, PHYS REV LETT, V63, P199, DOI 10.1103/PhysRevLett.63.199     LAUGHLIN RB, 1983, PHYS REV LETT, V50, P1395, DOI 10.1103/PhysRevLett.50.1395Zeng, Lang Geist, W. Ruan, W. Y. Umrigar, C. J. Chou, M. Y.U.S. Department of Energy[DE-FG0297ER45632]; National Science Foundation[DMR-02-05328]; National Energy Research Scientific Computing Center (NERSC){\textquoteleft}{\textquoteleft}We thank Constantine Yannouleas and Uzi Landman for helpful discussions. This work is supported in part by the U.S. Department of Energy under Grant No. DE-FG0297ER45632, the National Science Foundation under Grant No. DMR-02-05328, and the National Energy Research Scientific Computing Center (NERSC)AMER PHYSICAL SOCCOLLEGE PK</p>
},
	month = {Jun},
	pages = {5},
	type = {Article},
	abstract = {<p>Accurate multideterminant ground-state energies of circular quantum dots containing N \&lt;= 13 electrons as a function of interaction strength have been evaluated by the diffusion quantum Monte Carlo method. Two unique features are found for these confined two-dimensional systems: (1) as the electron density decreases, the quantum dots favor states with zero orbital angular momentum (L = 0); and (2) for some values of N, the ground state cannot be fully spin-polarized because of a symmetry constraint.</p>
},
	keywords = {ARTIFICIAL ATOMS, PHASE-TRANSITIONS, SINGLE, SYMMETRY-BREAKING},
	isbn = {1098-0121},
	url = {<Go to ISI>://WOS:000267699500104},
	author = {Zeng, L. and Geist, W. and Ruan, W. Y. and Umrigar, C. J. and Chou, M. Y.}
}
