Molecular Materials for Quantum Computing

Quantum computing will lead the future revolution of information technology. Current efforts in materials science focus on the physical realization of qubits and qugates. This symposium will highlight the contribution to this from the molecular materials’ perspective, mainly on the manipulation of the electronic spin as the basic unit of quantum information.

Scope

Quantum information processing proposes to exploit the laws of quantum mechanics for the realization of logic operations and implementation of algorithms. The realization of Quantum Computing will outperform current classic information technology by dramatically increasing speed and providing the capacity to handle intractable problems, like the simulation of quantum systems. Current efforts focus on the physical realization of the hardware to implement these principles and very promising candidates have arisen from the materials science arena. One promising approach is encoding the qubit information in the quantum states of the electronic spin contained in molecular materials. Indeed the spin carried by molecular species has been shown to exhibit sufficiently high quantum coherence times for the realization of quantum operations and algorithms. Theoretical and empirical methods have been developed in order to predict and enhance this property, most especially in lanthanide-based qubits. The versatility of chemistry is proving highly beneficial for the design and tuning of scalable architectures able to bring about complex operations. Several proposal and prototypes of multi-qubit quantum gates have been already put forward, specifically for CNOT and SWAP operations. Current efforts focus on integrating small ensembles, or even single molecules on suitable substrates for their manipulation. These very exciting developments give great promise to this proposition. These have been possible thanks to the interdisciplinary efforts of chemists, spectroscopists, physicists and theoreticians. The symposium aims at bringing together for the first time the main actors of this very recent and rapidly growing area, as an idea to stimulate further development in this promising avenue. The speakers that have confirmed their participation belong to the various areas of expertise that have made possible these developments with their seminal publications. In addition, a prominent scholar has accepted to participate, who has recently contributed decisively, from a field other than molecular materials, to develop the goal of using spin qubits. This with the aim of visualizing the broadness of the subject.

Hot topics to be covered by the symposium (but is not limited)

• Chemical design of qubits using lanthanide and transition metal complexes
• Organic radicals for quantum computing
• Design and control of quantum coherence through chemistry
• Physical methods to unveil and study quantum entanglement within molecules
• Realization of multi-qubit quantum gates
• Pulsed and HF-EPR for the detection and characterization of quantum coherence
• Simulation of magnetic anisotropy and quantum coherence through theoretical methods
• Quantum simulation of quantum systems
• Quantum Manipulation of small molecular or atomic ensembles
• Surface nanostructuration of molecular qubits and qugates

Confirmed list of invited speakers

• Alejandro Gaita Ariño (University of Valencia, Spain) –"Rational design of coherent molecular spin qubits"
• Takeji Takui (Osaka City University, Japan) –"Milestones to molecular spin quantum computers
• Joris van Slageren (University of Stuttgart, Germany) –“Quantum Coherence in Metal Dithiolates”
• Steven Hill (National High Magnetic Field Laboratory, USA) –“Atomic Clock Transitions in Lanthanide Molecular Qubits”
• Mario Ruben (Karlsruhe Institute of Technology, Germany) –“Molecular Quantum Spintronics”
• Andrea Morello (University of New South Wales, Australia) –“Quantum computing with spins: atoms and molecules”
• Filippo Troiani (CNR Modena, Italy)
• Paolo Santini (U. Parma, Italy)

Confirmed list of scientific committee members

• Fernando LUIS (Spain)
• Daniel Loss (Switzerland)
• Arzhang Ardavan (UK)
• Stefano Carretta (Italy)
• Enrique del Barco (USA)
• Eugenio Coronado (Spain)