Dynamical many-body phases

Beyond equilibrium, a system need not be stationary and can, in principle, exhibit collective time-dependent states. However, coordinating motion over large distances is challenging, especially when it occurs spontaneously without an external "clock" to impose a phase. We use analytical and numerical tools to uncover the rules that enable such states to exist.

Relevant publications:

1. Y. Avni, M. Fruchart, D. Martin, D. Seara and V. Vitelli, Nonreciprocal Ising Model. Phys. Rev. Lett. 134, 117103 (2025).

2. Y. Avni, M. Fruchart, D. Martin, D. Seara and V. Vitelli, Dynamical Phase Transitions in the Nonreciprocal Ising Model. Phys. Rev. E 111, 034124 (2025).

3. G. Lorenzana, D. Martin, Y. Avni, D. Seara, M. Fruchart, G. Biroli and V. Vitelli, When is nonreciprocity relevant? arXiv:2509.17972 (under review, 2026)