Preprints

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

2024

Unraveling the emergence of quantum state designs in systems with symmetry

Quantum state designs, by enabling an efficient sampling of random quantum states, play a quintessential role in devising and …

2023

Quantum Computation of Thermal Averages for a Non-Abelian D4 Lattice Gauge Theory via Quantum Metropolis Sampling

In this paper, we show the application of the Quantum Metropolis Sampling (QMS) algorithm to a toy gauge theory with discrete …

Beyond braid anyons: A lattice model for one-dimensional anyons with a Galilean invariant continuum limit

Anyonic exchange statistics can emerge when the configuration space of quantum particles is not simply-connected. Most famously, anyon …

G-structures for black hole near-horizon geometries

We derive necessary and sufficient conditions for warped AdS2 solutions of Type II supergravity to preserve $\mathcal{N}=1$ …

Unveiling Eigenstate Thermalization for Non-Hermitian systems

The Eigenstate Thermalization Hypothesis (ETH) has been highly influential in explaining thermodynamic behavior of closed quantum …

Variational quantum simulation of U(1) lattice gauge theories with qudit systems

Lattice gauge theories are fundamental to various fields, including particle physics, condensed matter, and quantum information theory. …

Observation of microscopic confinement dynamics by a tunable topological $\theta$-angle

The topological $\theta$-angle is central to the understanding of a plethora of phenomena in condensed matter and high-energy physics …

Formulation of the Electric Vehicle Charging and Routing Problem for a Hybrid Quantum-Classical Search Space Reduction Heuristic

Combinatorial optimization problems have attracted much interest in the quantum computing community in the recent years as a potential …

Many-body magic via Pauli–Markov chains — from criticality to gauge theories

We introduce a method to measure many-body magic in quantum systems based on a statistical exploration of Pauli strings via Markov …

Spin-$S$ $U(1)$ Quantum Link Models with Dynamical Matter on a Quantum Simulator

Quantum link models (QLMs) offer the realistic prospect for the practical implementation of lattice quantum electrodynamics (QED) on …

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 …

2022

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 …

Squeezing and quantum approximate optimization

Variational quantum algorithms offer fascinating prospects for the solution of combinatorial optimization problems using digital …

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 …

Tuning the Topological $\theta$-Angle in Cold-Atom Quantum Simulators of Gauge Theories

The topological $\theta$-angle in gauge theories engenders a series of fundamental phenomena, including violations of charge-parity …

Probing confinement in a $\mathbb{Z}_2$ lattice gauge theory on a quantum computer

Digital quantum simulators provide a table-top platform for addressing salient questions in particle and condensed-matter physics. A …

Robust quantum many-body scars in lattice gauge theories

Quantum many-body scarring is a paradigm of weak ergodicity breaking arising due to the presence of special nonthermal many-body …

Disorder-free localization with Stark gauge protection

Disorder-free localization in translation-invariant gauge theories presents a counterintuitive yet powerful framework of ergodicity …

Dynamical quantum phase transitions in spin-$S$ $U(1)$ quantum link models

Dynamical quantum phase transitions (DQPTs) are a powerful concept of probing far-from-equilibrium criticality in quantum many-body …

Sampling Rare Conformational Transitions with a Quantum Computer

Spontaneous structural rearrangements play a central role in the organization and function of complex biomolecular systems. In …

2021

Stabilizing Disorder-Free Localization

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

Suppressing nonperturbative gauge errors in the thermodynamic limit using local pseudogenerators

With recent progress in quantum simulations of lattice-gauge theories, it is becoming a pressing question how to reliably protect the …

Engineering a $\mathrm{U}(1)$ lattice gauge theory in classical electric circuits

Lattice gauge theories are fundamental to such distinct fields as particle physics, condensed matter, and quantum information science. …

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 …

Generalized Discrete Truncated Wigner Approximation for Nonadiabtic Quantum-Classical Dynamics

Nonadiabatic molecular dynamics occur in a wide range of chemical reactions and femtochemistry experiments involving electronically …

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 …