RESEARCH

Theoretical Condensed Matter Physics

In the field of condensed matter theory we have a dynamical international team focusing on quantum physics of materials. The condensed matter theory group is mainly involved in the following intertwining research areas: (1) strongly correlated systems and superconductivity, (2) mesoscopic systems and quantum Hall effect, (3) quantum gases and non-equilibrium dynamics, (4) disordered systems and neural networks, and (5) numerical techniques in condensed matter physics.

The area of strongly correlated systems and superconductivity embraces phenomena such as unconventional superconductivity, quantum magnetism, heavy fermions, etc. The main focus of our research is to understand the properties of systems with strong correlations between the constituent particles.

Mesoscopic physics studies the electronic transport properties of solid state nanostructures, including phenomena of topological origin, such as the quantum Hall effect. We are interested in the interplay of charge, spin, and orbital degrees of freedom in conventional and novel two-dimensional electron systems, eyeing on potential applications in electronics, spintronics, and quantum computation.

Quantum gases and optical lattices provide an ideal platform for studying theoretical ideas and novel quantum phenomena via quantum simulation and quantum engineering, thanks to their multiple highly tunable control parameters. Our interests include BCS-BEC crossover of Fermi gases, unconventional and topological superfluids, quantum simulation of neutron star matter, synthetic gauge fields and Berry phase physics, as well as fundamental issues in non-equilibrium statistical mechanics, open quantum systems, and quantum thermodynamics.

Work on disordered systems and neural networks addresses the physics of complexity, such as glassy behavior and quantum chaos. With the rapid development of machine learning, we deploy deep neural networks in understanding the phases and phase transitions in these complex systems.

We also explore various numerical techniques in studying condensed matter physics. These techniques include exact diagonalization, quantum Monte Carlo simulation, numerical renormalization group, density-matrix renormalization group, dynamical mean field theory, matrix product and tensor network states, etc.

In all of these endeavors the theoretical condensed matter physics group enjoys close contact with other groups in the Physics Department, especially with the experimental condensed matter physics group. More information can be found at

Add: No. 12 Teaching Building, Yuquan Campus, Zhejiang University, 38 Zheda Rd, Hangzhou, 310027, P. R. China

Tel: +86-571-87953325

Fax: +86-571-87951895

Email: phybecky@zju.edu.cn

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