Jad C. Halimeh

Global and nonlocal magic of quantum many-body scars

Lukas Ebner, Giovanni Cataldi, Kaidi Xu +2

Nonergodic features of chaotic quantum many-body systems are commonly characterized through local observables, fidelity, and entanglement entropy. Here, using global and nonlocal m…

Non-Abelian string melting and thermalization in an open lattice gauge theory

Erick Parra Verde, Giovanni Cataldi, Stefan Kühn +2

Open-system lattice gauge theory (LGT) has so far been developed predominantly in Abelian settings, leaving open how genuinely non-Abelian gauge structure reshapes dissipative real…

Real-Time String Dynamics in $3 + 1$ D Lattice Quantum Electrodynamics

Helen Zwölfer, Giovanni Cataldi, Umberto Borla +1

Understanding real-time string dynamics in three spatial dimensions is essential for connecting quantum simulations of lattice gauge theories (LGTs) to the physical dimensionality…

cond-mat.str-el2026

Statistics as a local phase: crystalline order and quench dynamics of emergent dimers in Ising gauge theories

Umberto Borla, Riccardo Cioli, Jad C. Halimeh

How does the Bose or Fermi statistics of microscopic particles survive when confinement binds them into emergent bosonic composites? We address this question in the strong-coupling…

Observation of far-from-equilibrium scaling in the transient dynamics of 2D quantum magnets

Fabio Bensch, Umberto Borla, Federico Balducci +7

The transient regime of far-from-equilibrium quantum many-body dynamics lacks the established organizing principles that universality and scaling provide in equilibrium. It is leas…

Dynamic Induction of Lattice Gauge Theories on a Quantum Computer

Barbara Andrade, Declan Millar, Lewis Anderson +5

Gauge invariance is central to modern physics and underpins quantum simulations of lattice gauge theories (LGTs). Existing quantum simulation approaches employ Gauss's law either t…

Quantum Resources in Disorder-Free Localization Dynamics of Gauge Theories

Devendra Singh Bhakuni, Giovanni Cataldi, Jad C. Halimeh +1

Quantum-state complexity diagnostics provide valuable insight into many-body dynamics, information scrambling, and quantum computation. Here, we investigate the real-time dynamics…

Role of flavor degrees of freedom in quantum simulations of disorder-free localization

Yizhuo Tian, Jared Jeyaretnam, Tanmay Bhore +2

A recent \texttt{Google Quantum AI} experiment [\href{https://www.science.org/doi/10.1126/science.adr9680}{Gyawali \textit{et al.}, Science \textbf{393}, 71 (2026)}] has exploited…

Quantum Phase Diagram of the $2 + 1$ D Untruncated SU $(2)$ Lattice Gauge Theory with Dynamical Fermions

Gabriel Rouxinol, Julian Bender, Patrick Emonts +2

Non-Abelian gauge theories with dynamical matter govern the strong interaction and a broad class of strongly correlated quantum systems, yet their ground-state properties remain di…

Neural quantum states for non-Abelian lattice gauge theories with dynamical fermions

Gabriel Rouxinol, Julian Bender, Michele Grossi +2

Determining the ground state of non-Abelian lattice gauge theories coupled to dynamical fermions is key to understanding confinement and the phase structure of gauge--matter system…

Preparing thermal states of frustrated quantum spin systems using 139 qubits

Roland C. Farrell, Yongtao Zhan, Lucas Katschke +3

Finite-temperature properties of strongly correlated quantum matter are central to condensed matter, chemistry, and high-energy physics, yet are often inaccessible to classical met…

hep-th2026

Dynamical Entanglement Phase Transitions in Holographic CFTs

Lukas Ebner, Jad C. Halimeh, David Horn +5

We study the time evolution of the entanglement structure of holographic conformal field theories after a local quench. Using the mutual information between two spatial intervals a…

Unified resonant-manifold framework for dynamical quantum phase transitions

Jesse J. Osborne, Cheuk Yiu Wong, Jad C. Halimeh

Dynamical quantum phase transitions (DQPTs) are an exciting paradigm of out-of-equilibrium criticality in many-body systems manifested in nonanalytic behavior in the return rate to…

Engineering Quantum Many-Body Scars through Lattice Geometry

Erick Parra Verde, Kevin P. Mours, Johannes Zeiher +2

Quantum many-body scars enable persistent non-ergodic dynamics in otherwise thermalizing systems, yet their stabilization typically relies on fine-tuned initial states or engineere…

Observation of genuine $2 + 1$ D string dynamics in a U $(1)$ lattice gauge theory with a tunable plaquette term on a trapped-ion quantum computer

Rohan Joshi, Yizhuo Tian, Kevin Hemery +5

Quantum simulations of high-energy physics in $2 + 1$ D can probe dynamical phenomena nonexistent in one spatial dimension and access regimes that are challenging for existing classic…

Observation of glueball excitations and string breaking in a $2 + 1$ D $Z_{2}$ lattice gauge theory on a trapped-ion quantum computer

Kaidi Xu, Umberto Borla, Kevin Hemery +4

A major goal of the quantum simulation of high-energy physics (HEP) is to probe real-time nonperturbative far-from-equilibrium quantum processes underlying phenomena such as hadron…

hep-ph2026

Schwinger Model with a Dynamical Axion

Gabriel Rouxinol, Tom Magorsch, Jesse J. Osborne +2

One of the major open puzzles in the Standard Model of particle physics is the strong CP problem: although Quantum Chromodynamics allows a CP-violating topological $θ$ -term, experi…

hep-ph2026

Coherent Quantum Evaluation of Collider Amplitudes for Effective Field Theory Constraints

Yacine Haddad, Kaidi Xu, Vincent Croft +2

Precision measurements at electron-positron colliders provide stringent tests of the Standard Model and powerful probes of possible higher-dimensional interactions. We present a hy…

Finite-Temperature Dynamical Phase Diagram of the $2 + 1$ D Quantum Ising Model

Lucas Katschke, Roland C. Farrell, Umberto Borla +2

Mapping finite-temperature dynamical phase diagrams of quantum many-body models is a necessary step towards establishing a framework of far-from-equilibrium quantum many-body unive…

Matter-induced plaquette terms in a $Z_{2}$ lattice gauge theory

Matjaž Kebrič, Fabian Döschl, Umberto Borla +4

Lattice gauge theories (LGTs) provide a powerful framework for studying confinement, topological order, and exotic quantum matter. In particular, the paradigmatic phenomenon of con…

Towards $2 + 1$ D quantum electrodynamics on a cold-atom quantum simulator

Peter Majcen, Jesse J. Osborne, Philipp Hauke +3

Cold atoms have become a powerful platform for quantum-simulating lattice gauge theories in higher spatial dimensions. However, such realizations have been restricted to the lowest…

Large Nc Truncations for SU(Nc) Lattice Yang-Mills Theory with Fermions

Neel S. Modi, Anthony N. Ciavarella, Jad C. Halimeh +1

Quantum simulations of quantum chromodynamics (QCD) require a representation of gauge fields and fermions on the finitely many degrees of freedom available on a quantum computer. W…

String Breaking and Glueball Dynamics in $2 + 1$ D Quantum Link Electrodynamics

Jiahao Cao, Rohan Joshi, Yizhuo Tian +2

At the heart of quark confinement and hadronization, the physics of flux strings has recently become a focal point in the field of quantum simulation of high-energy physics (HEP).…