title: Tilt-induced localization and delocalization in the second Landau level.
abstract: We have investigated the behavior of electronic phases of the second Landau level under tilted magnetic fields. The fractional quantum Hall liquids at nu=2+1/5 and 2+4/5 and the solid phases at nu=2.30, 2.44, 2.57, and 2.70 are quickly destroyed with tilt. This behavior can be interpreted as a tilt driven localization of the 2+1/5 and 2+4/5 fractional quantum Hall liquids and a delocalization through the melting of solid phases in the top Landau level, respectively. The evolution towards the classical Hall gas of the solid phases is suggestive of antiferromagnetic ordering.
authors.affiliation: Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.
authors.forename: G A
authors.initials: GA
authors.lastname: Csáthy
authors.forename: J S
authors.initials: JS
authors.lastname: Xia
authors.forename: C L
authors.initials: CL
authors.lastname: Vicente
authors.forename: E D
authors.initials: ED
authors.lastname: Adams
authors.forename: N S
authors.initials: NS
authors.lastname: Sullivan
authors.forename: H L
authors.initials: HL
authors.lastname: Stormer
authors.forename: D C
authors.initials: DC
authors.lastname: Tsui
authors.forename: L N
authors.initials: LN
authors.lastname: Pfeiffer
authors.forename: K W
authors.initials: KW
authors.lastname: West