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Propagation of Waves01:07

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Coherent control of dressed matter waves.

Alessandro Zenesini1, Hans Lignier, Donatella Ciampini

  • 1Dipartimento di Fisica E. Fermi, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy.

Physical Review Letters
|April 28, 2009
PubMed
Summary

Researchers demonstrate coherent control of matter waves in optical lattices. This enables reversible control over the superfluid-Mott insulator phase transition, advancing quantum system studies.

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Area of Science:

  • Quantum physics
  • Atomic physics
  • Condensed matter physics

Background:

  • Optical lattices are crucial for simulating quantum many-body systems.
  • Controlling matter waves in these lattices is essential for exploring quantum phenomena.

Purpose of the Study:

  • To demonstrate coherent and adiabatic control of matter waves in driven optical lattices.
  • To utilize this control for inducing and reversing quantum phase transitions.

Main Methods:

  • Experimentally loading and controlling matter waves in 1D, 2D, and 3D optical lattices.
  • Employing strong driving fields to create the optical lattice potentials.
  • Adiabatically manipulating the system parameters to induce phase transitions.

Main Results:

  • Achieved coherent and adiabatic loading and control of matter waves.
  • Successfully induced a reversible superfluid-Mott insulator phase transition.
  • Demonstrated control by varying the strength of the driving field.

Conclusions:

  • Coherent control of matter waves in driven optical lattices is experimentally feasible.
  • This method allows for reversible manipulation of quantum phase transitions.
  • Opens new avenues for studying driven quantum systems and controlling matter waves.