40 citations · 210 across the 16 of their papers we have counts for
16 papers
Local time-reversal-invariant topological markers in two dimensions
Thomas Klein Kvorning, Miguel F. Martínez, Julia D. Hannukainen
Local topological markers provide a real-space characterization of topological phases and are suited to noncrystalline models. We derive a local topological marker, the Chern-Simon…
Quantum Hall Liquids Coupled to Dynamical Electromagnetism
T. H. Hansson, Qing-Dong Jiang, S. A. Kivelson +1
We investigate the effect on a Quantum Hall (QH) liquid of its coupling to 3+1 dimensional dynamical electromagnetism, which renders the system gapless. We calculate both the Hall…
When level repulsion fails: non-normality and chaos in open quantum systems
Caio B. Naves, Thomas Klein Kvorning, Jonas Larson
For Hamiltonian systems, level statistics provide a faithful diagnostic of quantum chaos. By analogy, the statistics of the Lindbladian spectrum are often used in open quantum syst…
Higher-Dimensional Information Lattice: Quantum State Characterization through Inclusion-Exclusion Local Information
Ian Matthias Flór, Claudia Artiaco, Thomas Klein Kvorning +1
Developing a local description of quantum information is a central problem in quantum many-body physics: the goal is to identify how correlations are organized across positions and…
Witnessing Short- and Long-Range Nonstabilizerness via the Information Lattice
Yuliya Bilinskaya, Miguel F. Martínez, Soumi Ghosh +3
We study nonstabilizerness on the information lattice, and demonstrate that noninteger local information directly indicates nonstabilizerness. For states with a clear separation of…
One-Particle Density Matrix Framework for Mode-Shell Correspondence: Characterizing Topology in Amorphous Higher-Order Topological Insulators
Miguel F. Martínez, Lucien Jezequel, Jens H. Bardarson +2
We present a framework for characterizing higher-order topological phases directly from the one-particle density matrix, without any reference to an underlying Hamiltonian. Our app…
Efficient Large-Scale Many-Body Quantum Dynamics via Local-Information Time Evolution
Claudia Artiaco, Christoph Fleckenstein, David Aceituno Chávez +2
During time evolution of many-body systems entanglement grows rapidly, limiting exact simulations to small-scale systems or small timescales. Quantum information tends however to f…
Interacting Local Topological Markers: A one-particle density matrix approach for characterizing the topology of interacting and disordered states
Julia D. Hannukainen, Miguel F. Martínez, Jens H. Bardarson +1
While topology is a property of a quantum state itself, most existing methods for characterizing the topology of interacting phases of matter require direct knowledge of the underl…
Local Topological Markers in Odd Spatial Dimensions and Their Application to Amorphous Topological Matter
Julia D. Hannukainen, Miguel F. Martinez, Jens H. Bardarson +1
Local topological markers, topological invariants evaluated by local expectation values, are valuable for characterizing topological phases in materials lacking translation invaria…
Time-evolution of local information: thermalization dynamics of local observables
Thomas Klein Kvorning, Loïc Herviou, Jens H. Bardarson
Quantum many-body dynamics generically results in increasing entanglement that eventually leads to thermalization of local observables. This makes the exact description of the dyna…
Proposed Spontaneous Generation of Magnetic Fields by Curved Layers of a Chiral Superconductor
T. Kvorning, T. H. Hansson, A. Quelle +1
We demonstrate that two-dimensional chiral superconductors on curved surfaces spontaneously develop magnetic flux. This geometric Meissner effect provides an unequivocal signature…
Edge Majoranas on locally flat surfaces - the cone and the Möbius band
A. Quelle, T. Kvorning, T. H. Hansson +1
In this paper, we investigate the edge Majorana modes in the simplest possible superconductor defined on surfaces with different geometry - the annulus, the cylind…
Effective hydrodynamic field theory and condensation picture of topological insulators
AtMa P. O. Chan, Thomas Kvorning, Shinsei Ryu +1
While many features of topological band insulators are commonly discussed at the level of single-particle electron wave functions, such as the gapless Dirac spectrum at their bound…
Effective Field Theory for a p-wave Superconductor in the Subgap Regime
Thors Hans Hansson, Thomas Kvorning, V. Parameswaran Nair +1
We construct an effective field theory for the 2d spineless p-wave paired superconductor that faithfully describes the topological properties of the bulk state, and also provides a…
An Effective Field Theory for the Spinless p-wave Superconductor
Thors Hans Hansson, Thomas Kvorning, V. Parameswaran Nair
We construct effective field theories for superconductors, that are powerful enough to describe low lying sub gap fermion modes localized to vortex cores, and at the same time rese…
The quantum Hall hierarchy in spherical geometry
Thomas Kvorning
Representative wave functions, which encode the topological properties of the spin polarized fractional quantum Hall states in the lowest Landau level, can be expressed in terms of…