Theory Team
The research activities of THEORIE are devoted to the theoretical study of strongly correlated quantum materials, equilibrium and non-equilibrium many-body physics, critical phenomena, quantum optics, transport and quantum information. State-of-the-art theoretical techniques are developed and applied in order to explore fundamental physics and also to investigate quantum device functionalities.
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Emergent Equilibrium in All-Optical Single Quantum-Trajectory Ising Machines
A collaboration between the Theory group at MPQ, CREF Rome, and Sapienza University of Rome has shown that multimode all-optical systems driven by two-photon processes can reach thermal equilibrium at the level of single quantum trajectories. The study is published in...
Cavity-enhanced fractional quantum Hall phases and cavity-modified spin splittings
A collaboration between the Equipe Théorie at MPQ and scientists from ETH Zurich and the Flatiron Institute has demonstrated, both theoretically and experimentally, that giant vacuum fields confined in a split-ring resonator cavity can profoundly alter...
Emergent quantum phase transition in superconducting circuits
The THEORIE team has recently published a significant theoretical study in Nature Communications on the topic of quantum critical phenomena. This research addresses a current debate that questions the traditional understanding of dissipative quantum phase transitions...
New topology of electron-photon states in cavity quantum materials
The THEORIE team just published in Phys. Rev. Lett. an article on the topological properties of cavity quantum materials. Topological materials exhibit extraordinary properties, thanks to the unique characteristics of their electronic wavefunctions. To grasp this...