Preprints

This is a list of all preprints. For other publication types, see all publications.

2026

Fermionic non-Gaussianity via computable measures and experimentally accessible bounds

Interacting fermions owe both their non-trivial correlations and their computational power to their departure from Gaussianity. Yet, …

Formulating multistage cutting stock problems as QUBO

Cutting stock problems are of large relevance to a variety of industry branches. Here, we present a linear programming formulation for …

Disorder-Induced Enhancement of Fermionic Superradiance

Collective light-matter phenomena such as Dicke superradiance are often described as a collection of effective spins coupled …

Engineering of non-Hermitian interactions in digital qudit quantum simulators

Non-Hermitian Hamiltonians are a fascinating class of many-body models that describe the effective dynamics of quantum systems …

Instabilities in a Non-KAM System via Information Scrambling: A Note

We study operator growth in quantized non-KAM systems using out-of-time-ordered correlators (OTOCs), focusing on the kicked harmonic …

Observable signatures of exceptional points from left-right eigenstate distinction

Non-Hermitian quantum systems exhibit qualitatively distinct physical behavior compared to Hermitian systems, a prime example being …

Quantum resources in non-stoquastic quantum annealing

Quantum annealing promises to solve combinatorial optimization problems by preparing the ground state of a target Hamiltonian. Standard …

Experimental demonstration of the absence of noise-induced barren plateaus using information content landscape analysis

Variational quantum algorithms are promising candidates for near-term quantum computing but can be hindered by barren plateaus, where …

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

Cold atoms have become a powerful platform for quantum-simulating lattice gauge theories in higher spatial dimensions. However, such …

2025

Quantum simulation using Trotterized disorder Hamiltonians in a single-mode optical cavity

All-to-all interacting and disordered many-body systems are notoriously hard to simulate on quantum platforms, as interactions are …

When the center matters: color screening and gluelumps in dihedral lattice gauge theories

Confinement is one of the hallmarks of quantum chromodynamics (QCD). Yet, its first-principle characterization, even in simpler models, …

Probing non-equilibrium physics through the two-body Bell correlator

Identifying equilibrium criticalities and phases from the dynamics of a system, known as a dynamical quantum phase transition (DQPT), …

Genuine multipartite entanglement as a probe of many-body localization in disordered spin chains with Dzyaloshinskii-Moriya interactions

We demonstrate that the quenched average genuine multipartite entanglement (GME) can approach its maximum value in the ergodic phase of …

Enhancing Expressivity of Quantum Neural Networks Based on the SWAP test

Parameterized quantum circuits represent promising architectures for machine learning applications, yet many lack clear connections to …

Role of Nonstabilizerness in Quantum Optimization

Quantum optimization has emerged as a promising approach for tackling complicated classical optimization problems using quantum …

Complexity transitions in chaotic quantum systems

Complex quantum systems – composed of many, interacting particles – are intrinsically difficult to model. When a quantum …

Critical quantum metrology using non-Hermitian spin model with RT-symmetry

The non-Hermitian transverse XY model with Kaplan-Shekhtman-Entin-Wohlman-Aharony (KSEA) interaction having RT-symmetry, referred to as …

Constructive impact of Wannier-Stark field on environment-boosted quantum batteries

Using the ground states of the Bose- and Fermi-Hubbard model as the battery’s initial state, we demonstrate that using the …

2024

Disorder-averaged Qudit Dynamics

Understanding how physical systems are influenced by disorder is a fundamental challenge in quantum science. Addressing its effects …

Floquet driven long-range interactions induce super-extensive scaling in quantum battery

Achieving quantum advantage in energy storage and power extraction is a primary objective in the design of quantum-based batteries. We …

Quantum simulation of the Sachdev-Ye-Kitaev model using time-dependent disorder in optical cavities

The Sachdev-Ye-Kitaev (SYK) model is a paradigm for extreme quantum chaos, non-Fermi-liquid behavior, and holographic matter. Yet, the …

Commensurate supersolids and re-entrant transitions in an extended Bose-Hubbard ladder

We investigate the ground state phases of an extended Bose-Hubbard ladder of unit filling via the density-matrix-renormalization-group …

Superfluidity and sound propagation in disordered Bose gases

Superfluidity describes the ability of quantum matter to flow without friction. Due to its fundamental role in many transport …

2023

A cavity quantum electrodynamics implementation of the Sachdev--Ye--Kitaev model

The search for a quantum theory of gravity has led to the discovery of quantum many-body systems that are dual to gravitational models …

Quantum Information Science and Technology for Nuclear Physics. Input into U.S. Long-Range Planning, 2023

In preparation for the 2023 NSAC Long Range Plan (LRP), members of the Nuclear Science community gathered to discuss the current state …

2022

Suppression of 1/f noise in quantum simulators of gauge theories

In the current drive to quantum-simulate evermore complex gauge-theory phenomena, it is necessary to devise schemes allowing for the …

Temperature-Induced Disorder-Free Localization

Disorder-free localization is a paradigm of strong ergodicity breaking that has been shown to occur in global quenches of lattice gauge …

Quantum Hall and Synthetic Magnetic-Field Effects in Ultra-Cold Atomic Systems

In this Chapter, we give a brief review of the state of the art of theoretical and experimental studies of synthetic magnetic fields …

Stabilizing Gauge Theories in Quantum Simulators: A Brief Review

Quantum simulation is at the heart of the ongoing ‘‘second’’ quantum revolution, with various synthetic quantum …

2021

Stabilizing Disorder-Free Localization

Disorder-free localization is a paradigm of nonergodicity in translation-invariant quantum many-body systems hosting gauge symmetries. …

Non-invasive measurement of currents in analog quantum simulators

Despite the pristine abilities of analog quantum simulators to study quantum dynamics, possibilities to detect currents are sparse. …

Quantum quench dynamics of dipolar bosons in 2D optical lattices

We investigate the quench dynamics of the dipolar bosons in two dimensional optical lattice of square geometry using the time dependent …

2020

Gauge-Symmetry Violation Quantum Phase Transition in Lattice Gauge Theories

Gauge symmetry plays a key role in our description of subatomic matter. The vanishing photon mass, the long-ranged Coulomb law, and …

Diffusive-to-ballistic crossover of symmetry violation in open many-body systems

Conservation laws in a quantum many-body system play a direct role in its dynamic behavior. Understanding the effect of weakly breaking …

Fate of Lattice Gauge Theories Under Decoherence

A major test of the capabilities of modern quantum simulators and NISQ devices is the reliable realization of gauge theories, which …

Origin of staircase prethermalization in lattice gauge theories

Quantum many-body systems with exact local gauge symmetries exhibit rich out-of-equilibrium physics such as constrained dynamics and …

Staircase prethermalization and constrained dynamics in lattice gauge theories

The dynamics of lattice gauge theories is characterized by an abundance of local symmetry constraints. Although errors that break gauge …