TY - JOUR

T1 - Composite fermion solid and liquid states in two component quantum dots

AU - Shi, Chuntai

AU - Jeon, Gun Sang

AU - Jain, Jainendra K.

PY - 2007/4/5

Y1 - 2007/4/5

N2 - We consider correlated states of a quantum dot, at high magnetic fields, assuming four electrons with two components. This model has possible relevance to quantum dots in a bilayer system, a two valley system, in graphene, or for ordinary GaAs based quantum dots in the limit of a small Zeeman energy. We show that both the liquid states and crystallites (the latter occurring at large angular momenta) of four electrons are accurately described in terms of composite fermions. The residual interaction between composite fermions is important, however, and causes complex nearest- and next-nearest-neighbor spin correlations in the composite fermion crystallite.

AB - We consider correlated states of a quantum dot, at high magnetic fields, assuming four electrons with two components. This model has possible relevance to quantum dots in a bilayer system, a two valley system, in graphene, or for ordinary GaAs based quantum dots in the limit of a small Zeeman energy. We show that both the liquid states and crystallites (the latter occurring at large angular momenta) of four electrons are accurately described in terms of composite fermions. The residual interaction between composite fermions is important, however, and causes complex nearest- and next-nearest-neighbor spin correlations in the composite fermion crystallite.

UR - http://www.scopus.com/inward/record.url?scp=34047253598&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.75.165302

DO - 10.1103/PhysRevB.75.165302

M3 - Article

AN - SCOPUS:34047253598

VL - 75

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

SN - 1098-0121

IS - 16

M1 - 165302

ER -