Independent control of scattering lengths in multicomponent quantum gases.

نویسندگان

  • Peng Zhang
  • Pascal Naidon
  • Masahito Ueda
چکیده

We develop a method of simultaneous and independent control of different scattering lengths in ultracold atomic gases, such as ;{40}K or a ;{40}K-;{6}Li mixture. Our method can be used to engineer multicomponent quantum phases and Efimov trimer states.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Suppression of quantum scattering in strongly confined systems.

We demonstrate that scattering of particles strongly interacting in three dimensions (3D) can be suppressed at low energies in a quasi-one-dimensional (1D) confinement. The underlying mechanism is the interference of the s- and p-wave scattering contributions with large s- and p-wave 3D scattering lengths being a necessary prerequisite. This low-dimensional quantum scattering effect might be us...

متن کامل

Ultracold scattering properties of the short-lived Rb isotopes

We compute the scattering properties of rubidium atoms at ultracold temperatures, placing special emphasis on the radioactive isotopes Rb,Rb,Rb, and Rb. In combination with the more ‘‘conventional’’ isotope Rb, these species yield a wide variety of scattering behavior, with consequences for creating mixtures of Fermi-Fermi, Fermi-Bose, and Bose-Bose gases. In each of these mixtures we find at l...

متن کامل

Cold quantum gases: coherent quantum phenomena from Bose-Einstein condensation to BCS pairing of fermions

Studies of trapped quantum gases of bosons and of fermions have opened up a new range of manybody problems, having a strong overlap with nuclear and neutron star physics. Topics discussed here include: the Bose yrast problem – how many-particle Bose systems carry extreme amounts of angular momentum; the infrared divergent structure of the transition to Bose condensation in a weakly interacting ...

متن کامل

Exploring Universality of Few-body Physics Based on Ultracold Atoms near Feshbach Resonances

A universal characterization of interactions in fewand many-body quantum systems is often possible without detailed description of the interaction potential, and has become a defacto assumption for cold atom research. Universality in this context is defined as the validity to fully characterize the system in terms of two-body scattering length. We discuss universality in the following three con...

متن کامل

Quantum Mechanics of One-Dimensional Trapped Tonks Gases

Several experimental groups are currently working towards realizing quasione-dimensional (1D) atom de Broglie waveguides and loading them with ultracold atoms. The dynamics becomes truly 1D in a regime (Tonks gas) of low temperatures and densities, and large positive scattering lengths for which the transverse mode becomes frozen, in which case the many-body Schrödinger dynamics becomes exactly...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Physical review letters

دوره 103 13  شماره 

صفحات  -

تاریخ انتشار 2009