no code implementations • 23 Oct 2020 • Takuhiro Ogino, Ryui Kaneko, Satoshi Morita, Shunsuke Furukawa, Naoki Kawashima
We investigate a quantum phase transition between a Neel phase and a valence bond solid (VBS) phase, in each of which a different Z2 symmetry is broken, in a spin-1/2 two-leg XXZ ladder with a four-spin interaction.
Strongly Correlated Electrons
no code implementations • 7 Sep 2020 • Takumi Yoshino, Shunsuke Furukawa, Masahito Ueda
We study the entanglement entropy and spectrum between components in binary Bose-Einstein condensates in $d$ spatial dimensions.
Quantum Gases Statistical Mechanics Quantum Physics
