Exploring supersolids of single-microwave shielded molecules via exact and mean-field theories
nature.com
A new study benchmarks beyond-mean-field theory against quantum Monte Carlo simulations to map the exotic supersolid phase of microwave-shielded molecules — where matter is simultaneously a superfluid and a crystal.
Mean-Field TheoryQuantum Monte CarloBose-Einstein CondensationSupersolid Phase Theory

Theory Briefing
- Microwave-shielded polar molecules are shown to form supersolids, a phase where quantum matter flows without friction yet holds rigid crystalline order.
- Beyond-mean-field theory is stress-tested against exact path-integral Quantum Monte Carlo simulations, revealing where simpler models break down.
- The study focuses on positive scattering length regimes, pinpointing the precise conditions under which supersolid behavior emerges in these engineered quantum systems.