Quantum Device Theory Group Updates:       

• In QUANTUM ZEITGEIST: Quantum Computing Models Chromatin Folding and Gene Regulation Mechanisms (2025)

• Concurrent fermionic simulation gate,  Zhongyi Jiang & Mohammad Ansari  Phys. Rev. Applied 24, 024050 (2025) DOI  Public Summary (Aug 2025)

• New paper: Parity Cross Resonance (PCR): A Multi-Qubit Gate, X. Xu, S. Wang, R. Joshi, R. Hai, M. H. Ansari arXiv:2508.10807  Public Summary   (Aug 2025)

• New paper: Information Transport in Classic-Quantum Hybrid System, J. Rapp, R. Joshi, A. van Steensel, Yuli Nazarov & M. H. Ansari arXiv:2508.07870  Public Summary (11 Aug 2025) 

• New paper: Surface-Code Hardware Hamiltonian, X. Xu, K. Kaur, C. Vignes, M.H. Ansari &  John M. Martinis,  arxiv:2507.06201 Public Summary  (July 2025)

• New paper: Intermediate State Formation of Topologically Associated Chromatin Domains using Quantum Annealing, T. Kempe, A. Tabei & M.H. Ansari  arXiv:2505.23289   Public Summary  (May 2025)

• Our "Quantum Device Theory" group page at Forschungszentrum Jülich (Mar 2025)

• New paper: Error mitigation in brainbox quantum autoencoders  Joséphine Pazem and Mohammad H. Ansari published " in Scientific Reports  DOI   Public Summary  (Feb 2025)

• Some new journal club talks from my group are uploaded on our VIDEO channel (Dec 2024) 

• A new PhD student joined our team. Welcome on board Ms. Siyu Wang! (Dec 2024)

• In the News: "Exciting Quantum Computing Breakthrough: Forschungszentrum Jülich Teams Up with MIT and UCSB"  (Dec 2024) 

• Our collab with MIT, UCSB, and Uni Syracuse was selected in Editor's Suggestion (Dec 2024)

• New paper: Lattice Hamiltonians and stray interactions within quantum processors  X. Xu, Manabputra, C. Vignes, M. Ansari & John M. Martinis, Phys. Rev. Applied DOI   Public Summary  (Dec 2024)

• A new Master student joined our team Welcome on board Mr. Giorgi Kvantrishvili! (Oct 2024)

• New paper: Fast Gates of Detuned Cat Qubit with Arne Schlabes, Rahul Bhowmick & M. H. Ansari arxiv:2407.20820 (Aug 2024)

• A new Postdoc joined our team, Welcome on board Dr. Kuljeet Kaur! (July 2024)

• In News!  Quantum Tug of War - in English   -  Quanten-Tauziehen in German  (July 2024)

• ...older news.
  
  

Reseserch topics:

• • Scalable superconducting qubits (models, theory, and foundation),

  • Searching for new correspondences between information to physics, i.e. quantum thermodynamics,

  • Solid-state quantum devices, e.g. topological phase slip, photovoltaic cells, light-harvesting photosynthetic complexes, etc.,

  • Non-equilibrium quantum field theory,

  • Quantum field theory and non-equilibrium statistical physics,

  • more about quantum information and computing in our institute ...,
    
    
    

Group Members

Group Meetings

Publications

We are located at building 04.8 on the campus map