Spectroscopy and Modeling of Rydberg States for High-Fidelity Two-Qubit Gates
Highly excited Rydberg states and their interactions play an important role in quantum
computing and simulation. These properties can be predicted accurately for alkali atoms …
computing and simulation. These properties can be predicted accurately for alkali atoms …
Finite-depth preparation of tensor network states from measurement
R Sahay, R Verresen - arxiv preprint arxiv:2404.17087, 2024 - arxiv.org
Although tensor network states constitute a broad range of exotic quantum states, their
realization is challenging and often requires resources whose depth scales with system size …
realization is challenging and often requires resources whose depth scales with system size …
Engineering Rydberg-pair interactions in divalent atoms with hyperfine-split ionization thresholds
Quantum information processing with neutral atoms relies on Rydberg excitation for
entanglement generation. While the use of heavy divalent or open-shell elements, such as …
entanglement generation. While the use of heavy divalent or open-shell elements, such as …
Uncovering Emergent Spacetime Supersymmetry with Rydberg Atom Arrays
In the zoo of emergent symmetries in quantum many-body physics, the previously
unrealized emergent spacetime supersymmetry (SUSY) is particularly intriguing. Although it …
unrealized emergent spacetime supersymmetry (SUSY) is particularly intriguing. Although it …
Robust High-frequency Laser Phase Noise Suppression by Adaptive Pound-Drever-Hall Feedforward
YX Chao, ZX Hua, XH Liang, ZP Yue, C Jia… - arxiv preprint arxiv …, 2024 - arxiv.org
Suppressing high-frequency laser phase noise, particularly at frequencies near and beyond
typical feedback bandwidths of a few MHz, is a critical yet challenging task in many …
typical feedback bandwidths of a few MHz, is a critical yet challenging task in many …
Classifying One-Dimensional Quantum States Prepared by a Single Round of Measurements
R Sahay, R Verresen - arxiv preprint arxiv:2404.16753, 2024 - arxiv.org
Measurements and feedback have emerged as a powerful resource for creating quantum
states. However, a detailed understanding is restricted to fixed-point representatives of …
states. However, a detailed understanding is restricted to fixed-point representatives of …
Toward a 2D local implementation of quantum LDPC codes
Geometric locality is an important theoretical and practical factor for quantum low-density
parity-check (qLDPC) codes which affects code performance and ease of physical …
parity-check (qLDPC) codes which affects code performance and ease of physical …
Fast entangling gates for Rydberg atoms via resonant dipole-dipole interaction
The advent of digital neutral-atom quantum computers relies on the development of fast and
robust protocols for high-fidelity quantum operations. In this work, we introduce a novel …
robust protocols for high-fidelity quantum operations. In this work, we introduce a novel …
Quantum adiabatic optimization with Rydberg arrays: localization phenomena and encoding strategies
L Bombieri, Z Zeng, R Tricarico, R Lin… - arxiv preprint arxiv …, 2024 - arxiv.org
We study the quantum dynamics of the encoding scheme proposed in [Nguyen et al., PRX
Quantum 4, 010316 (2023)], which encodes optimization problems on graphs with arbitrary …
Quantum 4, 010316 (2023)], which encodes optimization problems on graphs with arbitrary …
Volume-entangled exact eigenstates in the PXP and related models in any dimension
AN Ivanov, OI Motrunich - arxiv preprint arxiv:2403.05515, 2024 - arxiv.org
In this work, we describe an approach for unveiling many-body Einstein-Podolsky-Rosen-
like volume-entangled exact scars hosted by diverse PXP-type models for Rydberg …
like volume-entangled exact scars hosted by diverse PXP-type models for Rydberg …