Landau level quantization of Dirac electrons on the sphere
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Physics"
DOI: 10.1016/j.aop.2018.04.020
Abstract: Interactions in Landau levels can stabilize new phases of matter, such as fractionally quantized Hall states. Numerical studies of these systems mostly require compact manifolds like the sphere or a torus. For massive dispersions, a… read more here.
Keywords: level quantization; landau level; quantization dirac; dirac electrons ... See more keywords
Tunable interacting composite fermion phases in a half-filled bilayer-graphene Landau level
Sign Up to like & getrecommendations! Published in 2017 at "Nature"
DOI: 10.1038/nature23893
Abstract: Non-Abelian anyons are a type of quasiparticle with the potential to encode quantum information in topological qubits protected from decoherence. Experimental systems that are predicted to harbour non-Abelian anyons include p-wave superfluids, superconducting systems with… read more here.
Keywords: phases half; non abelian; bilayer graphene; interacting composite ... See more keywords
Behavior of fractional quantum Hall states in LLL and 1LL with in-plane magnetic field and Landau level mixing: A numerical investigation
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Physics B"
DOI: 10.1088/1674-1056/27/8/087306
Abstract: By exactly solving the effective two-body interaction for two-dimensional electron system with layer thickness and an in-plane magnetic field, we recently found that the effective interaction can be described by the generalized pseudopotentials (PPs) without… read more here.
Keywords: behavior fractional; field; plane magnetic; landau level ... See more keywords
Lowest Landau level theory of the bosonic Jain states
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.075130
Abstract: Quantum Hall systems offer the most familiar setting where strong inter-particle interactions combine with the topology of single particle states to yield novel phenomena. Despite our mature understanding of these systems, an open challenge has… read more here.
Keywords: lowest landau; jain; theory; jain states ... See more keywords
Transitions from Abelian composite fermion to non-Abelian parton fractional quantum Hall states in the zeroth Landau level of bilayer graphene
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.l121406
Abstract: The electron-electron interaction in the Landau levels of bilayer graphene is markedly different from that of conventional semiconductors such as GaAs. We show that in the zeroth Landau level of bilayer graphene, in the orbital… read more here.
Keywords: bilayer graphene; zeroth landau; level bilayer; landau level ... See more keywords
Dipole representation of half-filled Landau level
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review B"
DOI: 10.1103/physrevb.107.155132
Abstract: We introduce a variant of dipole representation for composite fermions in a half-filled Landau level, taking into account the symmetry under exchange of particles and holes. This is implemented by a special constraint on composite… read more here.
Keywords: dipole representation; filled landau; level; landau level ... See more keywords
Shape of the magnetoroton at .NU.=1/3 and .NU.=7/3 in real samples
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.075201
Abstract: We revisit the theory of the collective neutral excitation mode in the fractional quantum Hall effect at Landau level filling fractions ν = 1/3 and ν = 7/3. We include the effect of finite thickness… read more here.
Keywords: real samples; level; landau level; shape magnetoroton ... See more keywords
Partially filled Landau level at even denominators: A vortex metal with a Berry phase
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.97.165115
Abstract: We develop a vortex metal theory for partial filled Landau Level at $\nu=\frac{1}{2n}$, whose ground state contains a composite Fermi surface(FS) formed by the vortex of electrons. In the projected Landau Level limit, the composite… read more here.
Keywords: landau level; phase; vortex metal; berry phase ... See more keywords
Topologically Protected Landau Level in the Vortex Lattice of a Weyl Superconductor.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.121.037701
Abstract: The question whether the mixed phase of a gapless superconductor can support a Landau level is a celebrated problem in the context of d-wave superconductivity, with a negative answer: the scattering of the subgap excitations… read more here.
Keywords: vortex lattice; landau level; weyl superconductor; superconductor ... See more keywords
Correlated States of 2D Electrons near the Landau Level Filling ν=1/7.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.026802
Abstract: The ground state of two-dimensional electron systems (2DESs) at low Landau level filling factors (ν≲1/6) has long been a topic of interest and controversy in condensed matter. Following the recent breakthrough in the quality of… read more here.
Keywords: electrons near; correlated states; landau level; states electrons ... See more keywords
Giant Density of States Enhancement Driven by a Zero-Mode Landau Level in Semimetallic Black Phosphorus under Pressure.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review letters"
DOI: 10.1103/physrevlett.130.076401
Abstract: Dirac fermion systems form a unique Landau level at the Fermi level-the so-called zero mode-whose observation itself will provide strong evidence of the presence of Dirac dispersions. Here, we report the study of semimetallic black… read more here.
Keywords: zero mode; landau level; semimetallic black; level ... See more keywords