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Analog Quantum Simulation using Superconducting Qubits

Total Cost €


EC-Contrib. €






 AQSuS project word cloud

Explore the words cloud of the AQSuS project. It provides you a very rough idea of what is the project "AQSuS" about.

big    phenomena    platform    spin    1d    quantum    analysing    qubits    kagome    transmon    avoids    3d    starting    ions    capitalize    group    numerical    foundations    complicated    architecture    aqsus    utilizes    analytical    builds    broad    experimentally    times    initialize    unobserved    solid    interacting       experiments    readout    spatial    last    dynamics    computing    superconducting    inaccessible    paves    cqed    wiring    triangular    larger    theory    circuit    complexity    electrodynamics    engineerable    physics    describing    published    erc    models    reduces    desired    coherence    precisely    simulation    goals    qubit    direction    experimental    geometries    young    me    limitations    implementing    collaborators    interactions    naturally    correlations    setup    metrology    dependence    backgrounds    prb    scalable    grant    2d    idea    dipolar    central    engineer    lattices    occurring    scheme    single    dimensional    article    trapped   

Project "AQSuS" data sheet

The following table provides information about the project.


Organization address
address: INNRAIN 52
postcode: 6020

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Austria [AT]
 Project website
 Total cost 1˙498˙514 €
 EC max contribution 1˙498˙514 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-04-01   to  2022-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET INNSBRUCK AT (INNSBRUCK) coordinator 751˙328.00


 Project objective

AQSuS aims at experimentally implementing analogue quantum simulation of interacting spin models in two-dimensional geometries. The proposed experimental approach paves the way to investigate a broad range of currently inaccessible quantum phenomena, for which existing analytical and numerical methods reach their limitations. Developing precisely controlled interacting quantum systems in 2D is an important current goal well beyond the field of quantum simulation and has applications in e.g. solid state physics, computing and metrology. To access these models, I propose to develop a novel circuit quantum-electrodynamics (cQED) platform based on the 3D transmon qubit architecture. This platform utilizes the highly engineerable properties and long coherence times of these qubits. A central novel idea behind AQSuS is to exploit the spatial dependence of the naturally occurring dipolar interactions between the qubits to engineer the desired spin-spin interactions. This approach avoids the complicated wiring, typical for other cQED experiments and reduces the complexity of the experimental setup. The scheme is therefore directly scalable to larger systems. The experimental goals are:

1) Demonstrate analogue quantum simulation of an interacting spin system in 1D & 2D. 2) Establish methods to precisely initialize the state of the system, control the interactions and readout single qubit states and multi-qubit correlations. 3) Investigate unobserved quantum phenomena on 2D geometries e.g. kagome and triangular lattices. 4) Study open system dynamics with interacting spin systems.

AQSuS builds on my backgrounds in both superconducting qubits and quantum simulation with trapped-ions. With theory collaborators my young research group and I have recently published an article in PRB [9] describing and analysing the proposed platform. The ERC starting grant would allow me to open a big new research direction and capitalize on the foundations established over the last two years.


year authors and title journal last update
List of publications.
2017 D. Zoepfl, P. R. Muppalla, C. M. F. Schneider, S. Kasemann, S. Partel, G. Kirchmair
Characterization of low loss microstrip resonators as a building block for circuit QED in a 3D waveguide
published pages: 85118, ISSN: 2158-3226, DOI: 10.1063/1.4992070
AIP Advances 7/8 2019-10-08

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