activity
20202026
most citedDirect observation of geometric phase in dynamics around a conical intersection

66 citations · 161 across the 10 of their papers we have counts for

collaborators

10 papers

quant-ph2026

Reconstructing the phonon distribution of trapped ions out of the Lamb-Dicke regime

Christophe H. Valahu, Prachi Nagpal, Teerawat Chalermpusitarak +6

Characterizing the phonon distribution of trapped-ion motional states is essential for many applications in quantum information processing, but existing methods become ill-conditio…

quant-ph2026

Programmable quantum simulation of anharmonic dynamics

Cameron McGarry, Teerawat Chalermpusitarak, Kai Schwennicke +9

Continuous-variable-discrete-variable (CV-DV) quantum simulators offer a natural route to simulating bosonic dynamics relevant to many branches of physics and chemistry. However, p…

quant-ph2025★ 3 cited

Engineering continuous-variable entanglement in mechanical oscillators with optimal control

Maverick J. Millican, Vassili G. Matsos, Christophe H. Valahu +3

We demonstrate an optimal quantum control strategy for the deterministic preparation of entangled harmonic oscillator states in trapped ions. The protocol employs dynamical phase m…

quant-ph2024

Quantum-Enhanced Multi-Parameter Sensing in a Single Mode

Christophe H. Valahu, Matthew P. Stafford, Zixin Huang +7

Precision metrology underpins scientific and technological advancements. Quantum metrology offers a pathway to surpass classical sensing limits by leveraging quantum states and mea…

quant-ph2024★ 2 cited

Universal Quantum Gate Set for Gottesman-Kitaev-Preskill Logical Qubits

V. G. Matsos, C. H. Valahu, M. J. Millican +4

The realisation of a universal quantum computer at scale promises to deliver a paradigm shift in information processing, providing the capability to solve problems that are intract…

quant-ph2024★ 22 cited

Experimental Quantum Simulation of Chemical Dynamics

T. Navickas, R. J. MacDonell, C. H. Valahu +10

Accurate simulation of dynamical processes in molecules and reactions is among the most challenging problems in quantum chemistry. Quantum computers promise efficient chemical simu…

quant-ph2024★ 8 cited

Simulating open-system molecular dynamics on analog quantum computers

V. C. Olaya-Agudelo, B. Stewart, C. H. Valahu +6

Interactions of molecules with their environment influence the course and outcome of almost all chemical reactions. However, classical computers struggle to accurately simulate com…

quant-ph2022★ 66 cited

Direct observation of geometric phase in dynamics around a conical intersection

Christophe H. Valahu, Vanessa C. Olaya-Agudelo, Ryan J. MacDonell +9

Conical intersections are ubiquitous in chemistry and physics, often governing processes such as light harvesting, vision, photocatalysis, and chemical reactivity. They act as funn…

quant-ph2022★ 26 cited

Predicting molecular vibronic spectra using time-domain analog quantum simulation

Ryan J. MacDonell, Tomas Navickas, Tim F. Wohlers-Reichel +8

Spectroscopy is one of the most accurate probes of the molecular world. However, predicting molecular spectra accurately is computationally difficult because of the presence of ent…

physics.atom-ph2020★ 34 cited

Direct Observation of Ion Micromotion in a Linear Paul Trap

Liudmila A. Zhukas, Maverick J. Millican, Peter Svihra +2

In this paper, direct observation of micromotion for multiple ions in a laser-cooled trapped ion crystal is discussed along with a novel measurement technique for micromotion ampli…