Entanglement spectra of critical and near-critical systems in one dimension (2009)
Pollmann, Frank, Moore, Joel E.
The entanglement spectrum of a pure state of a bipartite system is the full set of eigenvalues of the reduced density matrix obtained from tracing out one part. Such spectra are known in several...
Magnetic phase diagram of a spin-1 condensate in two dimensions with dipole interaction (2009)
Kjäll, Jonas A., Essin, Andrew M., Moore, Joel E.
Several new features arise in the ground-state phase diagram of a spin-1 condensate trapped in an optical trap when the magnetic dipole interaction between the atoms is taken into account along with...
Criticality and entanglement in random quantum systems (2009)
We review studies of entanglement entropy in systems with quenched randomness, concentrating on universal behavior at strongly random quantum critical points. The disorder-averaged entanglement...
Dynamics after a sweep through a quantum critical point (2009)
Pollmann, Frank, Mukerjee, Subroto, Green, Andrew G., Moore, Joel E.
The coherent quantum evolution of a one-dimensional many-particle system after sweeping the Hamiltonian through a critical point is studied using a generalized quantum Ising model containing both...
Theory of finite-entanglement scaling at one-dimensional quantum critical points (2008)
Pollmann, Frank, Mukerjee, Subroto, Turner, Ari, Moore, Joel E.
Studies of entanglement in many-particle systems suggest that most quantum critical ground states have infinitely more entanglement than non-critical states, although a complete understanding of this...
Magnetoelectric polarizability and axion electrodynamics in crystalline insulators (2008)
Essin, Andrew M., Moore, Joel E., Vanderbilt, David
The orbital motion of electrons in a three-dimensional solid can generate a pseudoscalar magnetoelectric coupling $\theta$, a fact we derive for the single-particle case using a recent theory of...
Controllable spin-current blockade in a Hubbard chain (2008)
Yao, Yao, Zhao, Hui, Moore, Joel E., Wu, Chang-Qin
We investigate the spin/charge transport in a one-dimensional strongly correlated system by using the adaptive time-dependent density-matrix renormalization group method. The model we consider is a...
Vortex Lattice Transitions in Cyclic Spinor Condensates (2008)
Barnett, Ryan, Mukerjee, Subroto, Moore, Joel E.
We study the energetics of vortices and vortex lattices produced by rotation in the cyclic phase of F=2 spinor condensates. In addition to the familiar triangular lattice predicted by Tkachenko for...
De Sousa, Rogerio, Moore, Joel E.
The question of how ferroelectric polarization is coupled to magnetism in magnetoelectric multiferroics, in which both types of order are simultaneously present, is of considerable scientific and...
Topological surface states in three-dimensional magnetic insulators (2008)
Moore, Joel E., Ran, Ying, Wen, Xiao-Gang
An electron moving in a magnetically ordered background feels an effective magnetic field that can be both stronger and more rapidly varying than typical externally applied fields. One consequence is...
Multiferroic materials for spin-based logic devices (2008)
De Sousa, Rogerio, Moore, Joel E.
Logical devices based on spin waves offer the potential to avoid dissipation mechanisms that limit devices based on either the charge or spin of mobile electrons. Multiferroic magnetoelectrics, which...
Electrical control of magnon propagation in multiferroic BiFeO3 films (2008)
De Sousa, Rogerio, Moore, Joel E.
The spin wave spectra of multiferroic BiFeO3 films is calculated using a phenomenological Landau theory that includes magnetostatic effects. The lowest frequency magnon dispersion is shown to be...
Vortex lattice transitions in cyclic spinor condensates (2007)
Barnett, Ryan, Mukerjee, Subroto, Moore, Joel E.
We study the energetics of vortices and vortex lattices produced by rotation in the cyclic phase of F=2 spinor Bose condensates. In addition to the familiar triangular lattice predicted by Tkachenko...
Optical coupling to spin waves in the cycloidal multiferroic BiFeO3 (2007)
De Sousa, Rogerio, Moore, Joel E.
The magnon and optical phonon spectrum of an incommensurate multiferroic such as BiFeO3 is considered in the framework of a phenomenological Landau theory. The resulting spin wave spectrum is quite...
Dynamical models and the phase ordering kinetics of the s=1 spinor condensate (2007)
Mukerjee, Subroto, Xu, Cenke, Moore, Joel E.
The $s=1$ spinor Bose condensate at zero temperature supports ferromagnetic and polar phases that combine magnetic and superfluid ordering. We investigate the formation of magnetic domains at finite...
Entanglement entropy of the random spin-1 Heisenberg chain (2007)
Random spin chains at quantum critical points exhibit an entanglement entropy between a segment of length L and the rest of the chain that scales as log_2 L with a universal coefficient. Since for...
The phase diagram of the XXZ spin-1 quantum magnet on the kagome lattice is studied for all cases where the $J_z$ coupling is antiferromagnetic. In the zero magnetic field case, the six previously...
Fendley, Paul, Moore, Joel E., Xu, Cenke
We study a constrained statistical-mechanical model in two dimensions that has three useful descriptions. They are 1) the Ising model on the honeycomb lattice, constrained to have three up spins and...
Fradkin, Eduardo, Moore, Joel E.
The entanglement entropy of a pure quantum state of a bipartite system $A \cup B$ is defined as the von Neumann entropy of the reduced density matrix obtained by tracing over one of the two parts....
Edge states generated by spin-orbit coupling at domain walls in magnetic semiconductors (2006)
Electronic states localized at domain walls between ferromagnetically ordered phases in two-dimensional electron systems are generated by moderate spin-orbit coupling. The spin carried by these...
The 2D quantum phase transition that occurs in a square lattice of $p+ip$ superconductors is used to show how four-body interactions in $d=2$ reproduce nonperturbative effects familiar from the study...
Dynamics of entanglement in two coupled qubits (2003)
Considerable progress has been made in understanding how dissipation drives the state of a single qubit from a quantum-mechanical superposition to a classical mixed state. This paper uses a...
Geometric effects on T-breaking in p+ip and d+id superconductors (2003)
Superconducting order parameters that change phase around the Fermi surface modify Josephson tunneling behavior, as in the phase-sensitive measurements that confirmed $d$ order in the cuprates. This...
Conservation laws in the quantum Hall Liouvillian theory and its generalizations (2002)
It is known that the localization length scaling of noninteracting electrons near the quantum Hall plateau transition can be described in a theory of the bosonic density operators, with no reference...
Vishwanath, Ashvin, Moore, Joel E., Senthil, T.
We study localization phenomena in two dimensional systems of charged particles in the presence of a metallic ground plane with a particular focus on the superconductor-insulator transition. The...
Mobility edge scaling at semiclassical and dissipative Hall transitions (2002)
The universal anomalous diffusion scaling is obtained for the semiclassical quantum Hall transition, which has been argued to describe samples with dissipation or correlated impurities. The results...
Critical points in edge tunneling between generic FQH states (2001)
Moore, Joel E., Wen, Xiao-Gang
A general description of weak and strong tunneling fixed points is developed in the chiral-Luttinger-liquid model of quantum Hall edge states. Tunneling fixed points are a subset of `termination'...
Connecting polymers to the quantum Hall plateau transition (2001)
A mapping is developed between the quantum Hall plateau transition and two-dimensional self-interacting lattice polymers. This mapping is exact in the classical percolation limit of the plateau...
The quantum Hall plateau transition at order 1/N (2000)
Moore, Joel E., Zee, A., Sinova, Jairo
The localization behavior of noninteracting two-dimensional electrons in a random potential and strong magnetic field is of fundamental interest for the physics of the quantum Hall effect. In order...
Non-equilibrium tunneling into general quantum Hall edge states (1999)
Moore, Joel E., Sharma, Prashant, Chamon, Claudio
In this paper we formulate the theory of tunneling into general Abelian fractional quantum Hall edge states. In contrast to the simple Laughlin states, a number of charge transfer processes must be...
Anomalous magnetic splitting of the Kondo resonance (1999)
Moore, Joel E., Wen, Xiao-Gang
The splitting of the Kondo resonance in the density of states of an Anderson impurity in finite magnetic field is calculated from the exact Bethe-ansatz solution. The result gives an estimate of the...
Nonlinear Radiation Pressure and Stochasticity in Ultraintense Laser Fields (1998)
The radiation force on a single electron in an ultraintense plane wave ($a = eE/mc\omega \sim 1$) is calculated and shown to be proportional to $a^4$ in the high-$a$ limit for arbitrary waveform and...
Classification of Disordered Phases of Quantum Hall Edge States (1997)
Moore, Joel E., Wen, Xiao-Gang
The effects of impurity scattering on a general Abelian fractional quantum Hall (FQH) edge state are analyzed within the chiral-Luttinger-liquid model of low-energy edge dynamics. We find that some...