Two-step condensation of lattice bosons
β Scribed by R. Ramakumar; A.N. Das
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 423 KB
- Volume
- 390
- Category
- Article
- ISSN
- 0378-4371
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π SIMILAR VOLUMES
Bose condensation is characterized by a condition on the zero-frequency fourier component of the self-energy at the critical value of the chemical potential. This condition is used to show that under the action of an external linear perturbation the k = 0 mode goes over into a coherent state in the
We study the avoided crossings in the dynamics of quantum controlled excitations for an interacting many-boson system in an optical lattice. Specifically, we perform numerical simulations of learning control in this system where the driving pulses connect the undriven stationary states in a manner c