This is a list of all preprints. For other publication types, see all publications.
2025
Expediting quantum state transfer through long-range extended XY model
Going beyond short-range interactions, we explore the role of long-range interactions in the extended XY model for transferring quantum …
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
The Moments of the Spectral Form Factor in SYK
In chaotic quantum systems the spectral form factor exhibits a universal linear ramp and plateau structure with superimposed erratic …
Disorder-averaged Qudit Dynamics
Understanding how physical systems are influenced by disorder is a fundamental challenge in quantum science. Addressing its effects …
Many-body spectral transitions through the lens of variable-range SYK2 model
The Sachdev-Ye-Kitaev (SYK) model is a cornerstone in the study of quantum chaos and holographic quantum matter. Real-world …
Symmetry verification for noisy quantum simulations of non-Abelian lattice gauge theories
Non-Abelian gauge theories underlie our understanding of fundamental forces of modern physics. Simulating them on quantum hardware is …
Boosting quantum annealing performance through direct polynomial unconstrained binary optimization
Quantum annealing aims at solving optimization problems of practical relevance using quantum computing hardware. Problems of interest …
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 …
The role of higher-order terms in trapped-ion quantum computing with magnetic gradient induced coupling
Trapped-ion hardware based on the Magnetic Gradient Induced Coupling (MAGIC) scheme is emerging as a promising platform for quantum …
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 …
Qudit-native measurement protocol for dynamical correlations using Hadamard tests
Dynamical correlations reveal important out-of-equilibrium properties of the underlying quantum many-body system, yet they are …
Quantifying non-Hermiticity using single- and many-particle quantum properties
The non-Hermitian paradigm of quantum systems displays salient features drastically different from Hermitian counterparts. In this …
Miscibility-immiscibility transition of strongly interacting bosonic mixtures in optical lattices
Interaction plays key role in the mixing properties of a multi-component system. The miscibility-immiscibility transition (MIT) in a …
2023
Unveiling Eigenstate Thermalization for Non-Hermitian systems
The Eigenstate Thermalization Hypothesis (ETH) has been highly influential in explaining thermodynamic behavior of closed quantum …
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 …
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 …
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 …
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 …