Erhai Zhao

Assistant Professor   Condensed Matter Theory

Course in Spring 2014: Physics 785, Classical Electrodynamics II with Modern Applications. Click here to find more information about this course.

Information about Physics Phd Qualifying Exams can be found here.

Our research focuses on two areas, the many body physics of ultracold quantum gases, and quantum transport in nano-scale devices. It is supported by

  • Air Force Office of Scientific Research
  • National Institute of Standards and Technology
  • National Science Foundation
We have one position open for graduate student (GRA). Please contact ezhao2 "at" if you are interested.

Research Highlights

Quadrupolar Fermi gas
What are the many-body phases of fermions with quadrupole-quadrupole interaction? Our exact calculation in the weak-coupling limit reveals. Phys. Rev. Lett. 110, 155301 (2013)

A topological ladder
On a two-leg ladder, the orbital hopping pattern of fermions leads to a topological insulating phase. Nature Communications 4, 1523 (2013).

New phase of matter: Bond order solid
Interacting fermions with dipole moments form solids with periodic modulations of bonds, rather than density. Phys. Rev. Lett. 108, 145301 (2012).

Nearly flat dispersion
The group velocity of quasiparticles slows down from "speed of light" to a snail pace of almost zero in a hybrid structure of superconductor and topological insulator. Phys. Rev. B 86, 161108 (2012)

Hidden topology
Fingerprint of quantum Hall insulators hiding in time-of-flight images. Phys. Rev. A 84, 063629(2011)