Probing non-Hermitian phase transitions in curved space via quench dynamics
Non-Hermitian Hamiltonians are relevant to describe the features of a broad class of
physical phenomena, ranging from photonics and atomic and molecular systems to nuclear …
physical phenomena, ranging from photonics and atomic and molecular systems to nuclear …
Central charge in quantum optics
The product of two unitaries can normally be expressed as a single exponential through the
famous Baker-Campbell-Hausdorff formula. We present here a counterexample in quantum …
famous Baker-Campbell-Hausdorff formula. We present here a counterexample in quantum …
The Maxwell group in 2+ 1 dimensions and its infinite-dimensional enhancements
P Salgado-Rebolledo - Journal of High Energy Physics, 2019 - Springer
A bstract The Maxwell group in 2+ 1 dimensions is given by a particular extension of a semi-
direct product. This mathematical structure provides a sound framework to study different …
direct product. This mathematical structure provides a sound framework to study different …
Momentum-space cigar geometry in topological phases
G Palumbo - The European Physical Journal Plus, 2018 - Springer
In this paper, we stress the importance of momentum-space geometry in the understanding
of two-dimensional topological phases of matter. We focus, for simplicity, on the gapped …
of two-dimensional topological phases of matter. We focus, for simplicity, on the gapped …
Joint DOA, range and polarization estimation based on geometric algebra for near-field non-circular source with a symmetric MIMO array
X Wang, X Lv, R Wang - Digital Signal Processing, 2023 - Elsevier
Multiple-input multiple-output (MIMO) radar is a new type of radar with excellent
performance in target detection and parameter estimations. The MIMO radar equipped with …
performance in target detection and parameter estimations. The MIMO radar equipped with …
Extended Nappi-Witten geometry for the fractional quantum Hall effect
Motivated by the recent progresses in the formulation of geometric theories for the fractional
quantum Hall states, we propose a novel nonrelativistic geometric model for the Laughlin …
quantum Hall states, we propose a novel nonrelativistic geometric model for the Laughlin …
[HTML][HTML] Resonant superalgebras and N= 1 supergravity theories in three spacetime dimensions
We explore N= 1 supersymmetric extensions of algebras going beyond the Poincaré and
AdS ones in three spacetime dimensions. Besides reproducing two known examples, we …
AdS ones in three spacetime dimensions. Besides reproducing two known examples, we …
Fractonic self-duality and covariant magnetic fractons
Fractons, excitations with restricted mobility, have emerged as a novel paradigm in high-
energy and condensed matter physics, revealing deep connections to gauge theories and …
energy and condensed matter physics, revealing deep connections to gauge theories and …
Weyl Geometry in Weyl Semimetals
G Palumbo - arxiv preprint arxiv:2412.04743, 2024 - arxiv.org
A novel oscillatory behaviour of the DC conductivity in Weyl semimetals with vacancies has
recently been identified, occurring in the absence of external magnetic fields. Here, we …
recently been identified, occurring in the absence of external magnetic fields. Here, we …
[HTML][HTML] Resonant algebras in Chern-Simons model of topological insulators
R Durka, J Kowalski-Glikman - Physics Letters B, 2019 - Elsevier
This paper explores the possibility of using Maxwell algebra and its generalizations called
resonant algebras for the unified description of topological insulators. We offer the natural …
resonant algebras for the unified description of topological insulators. We offer the natural …