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Equilibrium properties and relaxation dynamics of the mobile impurity in one-dimensional quantum liquids

Event Details

Event Dates: 

Tuesday, April 8, 2014 - 4:00pm

Seminar Location: 

  • JILA X317

Speaker Name(s): 

Mikhail Zvonarev

Speaker Affiliation(s): 

Triangle de la Physique FCS Campus Paris-Sacaly
Seminar Type/Subject

Event Details & Abstract: 

I will address the problem of how a particle (impurity) injected with a finite momentum into a gas of quantum particles of other type evolves with time. I will show that contrary to conventional picture of relaxation dynamics, the particle never comes to a complete stop. Instead, for initially supersonic velocity long-lived oscillations develop and the velocity saturates to a value almost independent of initial conditions. 

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