Molecular formations in ultracold mixtures of interacting and noninteracting atomic gases (2007)
Nishimura, T., Matsumoto, A., Yabu, H.
Atom-molecule equilibrium for molecular formation processes is discussed for boson-fermion, fermion-fermion, and boson-boson mixtures of ultracold atomic gases in the framework of quasichemical...
Boson-Fermion pairing in a Boson-Fermion environment (2006)
Storozhenko, A., Schuck, P., Suzuki, T., Yabu, H., Dukelsky, J.
Propagation of a Boson-Fermion (B-F) pair in a B-F environment is considered. The possibility of formation of stable strongly correlated B-F pairs, embedded in the continuum, is pointed out. The new...
Diquark Bose-Einstein condensation (2005)
Nawa, K., Nakano, E., Yabu, H.
Bose-Einstein condensation (BEC) of composite diquarks in quark matter (the color superconductor phase) is discussed using the quasi-chemical equilibrium theory at a relatively low density region...
Boson-Fermion pairing in a Boson-Fermion environment (2005)
Storozhenko, A., Schuck, P., Suzuki, T., Yabu, H., Dukelsky, J.
Propagation of a Boson-Fermion (B-F) pair in a B-F environment is considered. The possibility of formation of stable strongly correlated B-F pairs, embedded in the continuum, is pointed out. The new...
Boson-Fermion pairing in a Boson-Fermion environment (2005)
Storozhenko, A., Schuck, P., Suzuki, T., Yabu, H., Dukelsky, J.
Propagation of a Boson-Fermion (B-F) pair in a B-F environment is considered. The possibility of formation of stable strongly correlated B-F pairs, embedded in the continuum, is pointed out. The new...
Boson-Fermion pairing in a Boson-Fermion environment (2005)
Storozhenko, A., Schuck, P., Suzuki, T., Yabu, H., Dukelsky, J.
Propagation of a Boson-Fermion (B-F) pair in a B-F environment is considered. The possibility of formation of stable strongly correlated B-F pairs, embedded in the continuum, is pointed out. The new...
Density waves in quasi-one-dimensional atomic gas mixture of boson and two-component fermion (2004)
We study the density-wave states of quasi-one-dimensional atomic gas mixture of one- and two-component boson and fermion using the mean-field approximation. Owing to the Peierls instability in the...
Nakano, E., Suzuki, T., Yabu, H.
Phase structure is studied for a system which has symmetry group SU(3) and is described by SU(3)-${\bf 3 \times 3}$ order parameter. The study is rested on SU(3)-Ginzburg-Landau effective potential...
Atomic Bose-Fermi mixed condensates with Boson-Fermion quasi-bound cluster states (2004)
Yabu, H., Takayama, Y., Suzuki, T., Schuck, P.
The boson-fermion atomic bound states (composite fermion) and their roles for the phase structures are studied in a bose-fermi mixed condensate of atomic gas in finite temperature and density. The...
Bose-Fermi mixed condensates of atomic gas with Boson-Fermion quasi-bound state (2004)
Yabu, H., Takayama, Y., Suzuki, T.
The phase structures of the boson-fermion (B and F) mixed condensates of atomic gas are discussed under the existence of boson-fermion composite fermions (quasi-bound states) BF from the equilibrium...
Time-Dependent Dynamics of the Bose-Fermi Mixed Condensed System (2003)
Maruyama, T., Yabu, H., Suzuki, T.
We study the monopole oscillation in the bose-fermi mixed condensed system by performing the time-dependent Gross-Pitaevsky (GP) and Vlasov equations. We find that the big damping exists for the...
Collective ferromagnetism in two-component Fermi-degenerate gas trapped in finite potential (2002)
Spin asymmetry of the ground states is studied for the trapped spin-degenerate (two-component) gases of the fermionic atoms with the repulsive interaction between different components, and, for large...
Nakano, E., Suzuki, T., Yabu, H.
Ginzburg-Landau effective potential is studied for the order parameter that transforms in the $(3,3)$ representation under the color SU(3) group. All the SU(3) terms to the fourth-order of the order...
Sogo, T., Miyakawa, T., Suzuki, T., Yabu, H.
We perform Random Phase Approximation (RPA) study of collective excitations in the bose-fermi mixed degenerate gas of Alkali-metal atoms at T=0. The calculation is done by diagonalization in a model...
Miyakawa, T., Suzuki, T., Yabu, H.
The behavior of collective oscillations of a trapped boson-fermion mixed condensate is studied in the sum rule approach. Mixing angle of bosonic and fermionic multipole operators is introduced so...
Miyakawa, T., Suzuki, T., Yabu, H.
Instabilities for boson-fermion mixed condensates of trapped Alkali atoms due to the boson-fermion attractive interaction are studied using a variational method. Three regions are shown for their...
Oda, K., Miyakawa, T., Yabu, H., Suzuki, T.
The s-wave scattering length for the Positronium-Positronium interaction is estimated semi-phenomenologically with the long-range van der Waals force and the short-range repulsive potential that...
Static Properties of Trapped Bose-Fermi Mixed Condensate of Alkali Atoms (1999)
Miyakawa, T., Oda, K., Suzuki, T., Yabu, H.
Static properties of a bose-fermi mixture of trapped potassium atoms are studied in terms of coupled Gross-Pitaevskii and Thomas-Fermi equations for both repulsive and attractive bose-fermi...