158 citations · 992 across the 34 of their papers we have counts for
34 papers
Dressed States Call for Logarithmic Asymptotic Symmetries
Jorrit Bosma, Jeremy A. Mann, Charles Marteau +2
Inspired by Wigner's classification of elementary particles as irreducible unitary representations of a spacetime symmetry group, we ask what group can give rise in this way to the…
Quantum Mechanics on Lie Groups: II. Path Integrals
Mathieu Beauvillain, Blagoje Oblak, Marios Petropoulos
We continue our study of quantum dynamics on a Lie group , initiated in arXiv:2512.19840, by building the path integral that governs transition amplitudes in the Hilbert space $…
Quantum Mechanics on Lie Groups: I. Noncommutative Fourier Transforms
Mathieu Beauvillain, Blagoje Oblak, Marios Petropoulos
Starting from square-integrable wave functions on a Lie group, we build an invertible Fourier transform mapping them on wave functions on the dual of the Lie algebra. This is a gro…
Nonequilibrium Probes of Quantum Geometry in Gapless Systems
Bastien Lapierre, Per Moosavi, Blagoje Oblak
Much of our understanding of gapless quantum matter stems from low-energy descriptions using conformal field theory. This is especially true in 1+1 dimensions, where such theories…
Berry Phases in the Bosonization of Nonlinear Edge Modes
Mathieu Beauvillain, Blagoje Oblak, Marios Petropoulos
We consider chiral, generally nonlinear density waves in one dimension, modelling the bosonized edge modes of a two-dimensional fermionic topological insulator. Using the coinciden…
Quantum Hall edges beyond the plasma analogy
Per Moosavi, Blagoje Oblak, Bastien Lapierre +2
We demonstrate that the widely used plasma analogy is unreliable at predicting edge properties of quantum Hall states. This discrepancy arises from a fundamental difference between…
Radiative Asymptotic Symmetries of 3D Einstein-Maxwell Theory
Jorrit Bosma, Marc Geiller, Sucheta Majumdar +1
We study the null asymptotic structure of Einstein-Maxwell theory in three-dimensional (3D) spacetimes. Although devoid of bulk gravitational degrees of freedom, the system admits…
Orientation Memory of Magnetic Dipoles
Blagoje Oblak, Ali Seraj
We study the precession caused by electromagnetic radiation on a magnetic dipole located far from the source. As we show, this entails a net rotation of the dipole in the plane ort…
Anisotropic Quantum Hall Droplets
Blagoje Oblak, Bastien Lapierre, Per Moosavi +2
We study two-dimensional (2D) droplets of noninteracting electrons in a strong magnetic field, placed in a confining potential with arbitrary shape. Using semiclassical methods ada…
Adiabatic Deformations of Quantum Hall Droplets
Blagoje Oblak, Benoit Estienne
We consider area-preserving deformations of the plane, acting on electronic wavefunctions through "quantomorphisms" that change both the underlying metric and the confining potenti…
Massless Scalars and Higher-Spin BMS in Any Dimension
Xavier Bekaert, Blagoje Oblak
Starting from the asymptotic kinematics of massless scalar fields near null infinity in any spacetime dimension, we build two higher-spin extensions of the Carrollian definition of…
The Precession Caused by Gravitational Waves
Ali Seraj, Blagoje Oblak
We show that gravitational waves cause freely falling gyroscopes to precess relative to fixed distant stars, extending the stationary Lense-Thirring effect. The precession rate dec…
Flat JT Gravity and the BMS-Schwarzian
Hamid Afshar, Blagoje Oblak
We consider Minkowskian Jackiw-Teitelboim (JT) gravity in Bondi gauge at finite temperature, with non-zero vacuum energy. Its asymptotic symmetries span an extension of the warped…
Equipartition of Entanglement in Quantum Hall States
Blagoje Oblak, Nicolas Regnault, Benoit Estienne
We study the full counting statistics (FCS) and symmetry-resolved entanglement entropies of integer and fractional quantum Hall states. For the filled lowest Landau level of spin-p…
Gyroscopic Gravitational Memory
Ali Seraj, Blagoje Oblak
We study the motion of a gyroscope located far away from an isolated gravitational source in an asymptotically flat spacetime. As seen from a local frame tied to distant stars, the…
Ergodic Edge Modes in the 4D Quantum Hall Effect
Benoit Estienne, Blagoje Oblak, Jean-Marie Stéphan
The gapless modes on the edge of four-dimensional (4D) quantum Hall droplets are known to be anisotropic: they only propagate in one direction, foliating the 3D boundary into indep…
Topological Bifurcations and Reconstruction of Travelling Waves
Blagoje Oblak
This paper is devoted to periodic travelling waves solving Lie-Poisson equations based on the Virasoro group. We show that the reconstruction of any such solution can be carried ou…
Hirota-Satsuma Dynamics as a Non-Relativistic Limit of KdV Equations
Blagoje Oblak
We consider a system of two coupled KdV equations (one for left-movers, the other for right-movers) and investigate its ultra-relativistic and non-relativistic limits in the sense…
Berry Phases in the Reconstructed KdV Equation
Blagoje Oblak, Gregory Kozyreff
We consider the KdV equation on a circle and its Lie-Poisson reconstruction, which is reminiscent of an equation of motion for fluid particles. For periodic waves, the stroboscopic…
Orbital Bifurcations and Shoaling of Cnoidal Waves
Blagoje Oblak
We study the parameter space of cnoidal waves -- the periodic solitons of the Korteweg-de Vries equation -- from the perspective of Virasoro coadjoint orbits. The monodromy method…
Near-Horizon Extremal Geometries: Coadjoint Orbits and Quantization
R. Javadinezhad, B. Oblak, M. M. Sheikh-Jabbari
The NHEG algebra is an extension of Virasoro introduced in [arXiv:1503.07861]; it describes the symplectic symmetries of -dimensional Near Horizon Extremal Geometries with $…
Thomas Precession for Dressed Particles
Blagoje Oblak
We consider a particle dressed with boundary gravitons in three-dimensional Minkowski space. The existence of BMS transformations implies that the particle's wavefunction picks up…
Probing Wigner Rotations for Any Group
Blagoje Oblak
Wigner rotations are transformations that affect spinning particles and cause the observable phenomenon of Thomas precession. Here we study these rotations for arbitrary symmetry g…
Berry Phases on Virasoro Orbits
Blagoje Oblak
We point out that unitary representations of the Virasoro algebra contain Berry phases obtained by acting on a primary state with conformal transformations that trace a closed path…