@article {1441,
	title = {Low-lying spectra of massless Dirac electron in magnetic dot and ring},
	journal = {Applied Physics Letters},
	volume = {96},
	number = {21},
	year = {2010},
	note = {<p>ISI Document Delivery No.: 603BPTimes Cited: 3Cited Reference Count: 14Cited References:      Castro Neto AH, 2009, REV MOD PHYS, V81, P109     Beenakker CWJ, 2008, REV MOD PHYS, V80, P1337, DOI 10.1103/RevModPhys.80.1337     De Martino A, 2007, SOLID STATE COMMUN, V144, P547, DOI 10.1016/j.ssc.2007.03.062     Chen HY, 2007, PHYS REV LETT, V98     Novoselov KS, 2007, SCIENCE, V315, P1379, DOI 10.1126/science.1137201     De Martino A, 2007, PHYS REV LETT, V98     Gunlycke D, 2007, PHYS REV B, V75     Katsnelson MI, 2006, NAT PHYS, V2, P620, DOI 10.1038/nphys384     Novoselov KS, 2005, NATURE, V438, P197, DOI 10.1038/nature04233     Zhang YB, 2005, NATURE, V438, P201, DOI 10.1038/nature04235     Novoselov KS, 2004, SCIENCE, V306, P666, DOI 10.1126/science.1102896     DIVINCENZO DP, 1984, PHYS REV B, V29, P1685, DOI 10.1103/PhysRevB.29.1685     SEMENOFF GW, 1984, PHYS REV LETT, V53, P2449, DOI 10.1103/PhysRevLett.53.2449     Klein O, 1929, Z PHYS, V53, P157, DOI 10.1007/BF01339716Lee, C. M. Lee, Richard C. H. Ruan, W. Y. Chou, M. Y.Department of Energy[DE-FG02-97ER45632]; National Science Foundation[DMR-02-05328]This work is supported by the Department of Energy under Grant No. DE-FG02-97ER45632 and by the National Science Foundation under Grant No. DMR-02-05328.AMER INST PHYSICSMELVILLE</p>
},
	month = {May},
	pages = {3},
	type = {Article},
	abstract = {<p>Both the size and the magnetic-field dependences of low-lying spectra of two-dimensional (2D) graphene based magnetic dot and ring in perpendicular inhomogeneous magnetic fields, where the magnetic field is zero inside the dot and ring, and constant elsewhere, are studied by the massless Dirac-Weyl equation. Numerical results obtained from direct diagonalization with 2D harmonic basis show that, under nonuniform magnetic fields, the higher Landau levels (N \&gt;= 1) for such massless Dirac electron interacting system in general become nondegenerate and split into discrete angular momentum states with level crossings with the lowest one (N=0) being an exception. (C) 2010 American Institute of Physics. [doi:10.1063/1.3435478]</p>
},
	keywords = {Dirac equation, electron spectra, graphene, Landau levels, quantum dots},
	isbn = {0003-6951},
	url = {<Go to ISI>://WOS:000278183200032},
	author = {Lee, C. M. and Lee, R. C. H. and Ruan, W. Y. and Chou, M. Y.}
}
