Dynamics of photoinduced Charge Density Wave-metal phase transition in K0.3MoO3

Details Dynamics of photoinduced Charge Density Wave-metal phase transition in K0.3MoO3 Dynamics of photoinduced Charge Density Wave-metal phase transition in K0.3MoO3

2009-01-14

arxiv.org/abs/0901.1951v1

Physics

Condensed Matter

Strongly Correlated Electrons

Phys. Rev. Lett., accepted for publication

Scientific paper

10.1103/PhysRevLett.102.066404

We present first systematic studies of the photoinduced phase transition from the ground charge density wave (CDW) state to the normal metallic (M) state in the prototype quasi-1D CDW system K0.3MoO3. Ultrafast non-thermal CDW melting is achieved at the absorbed energy density that corresponds to the electronic energy difference between the metallic and CDW states. The results imply that on the sub-picosecond timescale when melting and subsequent initial recovery of the electronic order takes place the lattice remains unperturbed.

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