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Many-body effects in hybrid quantum systems

Total Cost €


EC-Contrib. €






Project "MEHYB" data sheet

The following table provides information about the project.


Organization address
address: KARLSPLATZ 13
city: WIEN
postcode: 1040

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 166˙156 €
 EC max contribution 166˙156 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-04-01   to  2017-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    TECHNISCHE UNIVERSITAET WIEN AT (WIEN) coordinator 166˙156.00


 Project objective

The interdisciplinary field of hybrid quantum systems pursues the integration of different quantum systems from AMO and solid-state physics to harness their combined functionalities in an optimal way. Prominent examples are long-lived spin ensemble quantum memories for superconducting qubits or (opto-)mechanical quantum transducers, which are currently experimentally implemented for future quantum information processing applications.

The general aim of this project is to identify and analyze a new and range of applications for hybrid quantum systems for the study of non-equilibrium quantum many-body effects and phase transitions in open quantum systems. For that purpose the hybrid system approach offers many, still unexplored advantages for combining dissipative and coherent elements in a controllable and scalable way. The focus of this project is two-fold: i) We will analyze the implementation of collective spin models in hybrid quantum system arrays consisting of spin ensembles coupled to microwave cavities and show that this system can serve as prototype model for identifying universal features of non-equilibrium phase transitions in open quantum systems. ii) We will study superconducting qubit arrays with integrated nanomechanical resonators for the implementation of spin models coupled to engineered local reservoirs. This will provide a first realistic approach for simulating open many-body quantum systems coupled to unconventional reservoirs, exhibiting, for example, strong site-dependent temperature variations, or mixed positive and negative temperatures. Analyzing these specific models will open a path for hybrid quantum system arrays as a new quantum simulation platform for non-equilibrium and open quantum many-body systems.


year authors and title journal last update
List of publications.
2016 Tuomas Jaako, Ze-Liang Xiang, Juan José Garcia-Ripoll, Peter Rabl
Ultrastrong-coupling phenomena beyond the Dicke model
published pages: , ISSN: 2469-9926, DOI: 10.1103/PhysRevA.94.033850
Physical Review A 94/3 2019-07-24
2016 Peng-Bo Li, Ze-Liang Xiang, Peter Rabl, Franco Nori
Hybrid Quantum Device with Nitrogen-Vacancy Centers in Diamond Coupled to Carbon Nanotubes
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.117.015502
Physical Review Letters 117/1 2019-07-24
2015 Peng-Bo Li, Yong-Chun Liu, S.-Y. Gao, Ze-Liang Xiang, Peter Rabl, Yun-Feng Xiao, Fu-Li Li
Hybrid Quantum Device Based on N V Centers in Diamond Nanomechanical Resonators Plus Superconducting Waveguide Cavities
published pages: 44003, ISSN: 2331-7019, DOI: 10.1103/PhysRevApplied.4.044003
Physical Review Applied 4/4 2019-07-24
2017 Ze-Liang Xiang, Mengzhen Zhang, Liang Jiang, Peter Rabl
Intracity Quantum Communication via Thermal Microwave Networks
published pages: , ISSN: 2160-3308, DOI: 10.1103/PhysRevX.7.011035
Physical Review X 7/1 2019-07-24

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