[原分所] 01/17(Thu.) IAMS Lecture Announcement--Dr. Guin-Dar Lin 林俊達博士
截止日期：2013-01-17
IAMS Lecture Announcement中研院原分所演講公告
Title: Quantum simulation of Ising magnets and prospects of superradiance
Speaker: Dr. Guin-Dar Lin 林俊達博士 (Department of Physics, Harvard University, USA)
Time: 10:00 AM, January 17 (Thursday)
Place: Dr. Poe Lecture Hall, IAMS (本所浦大邦講堂 臺大校園內)
Contact: Dr. Wei-Hua Wang 王偉華博士
Abstract:
This talk covers two of our working directions: trapped ion quantum simulation and superradiance. In the first part, we discuss the implementation of an Ising magnet emulator and the associated quantum phases. Such a system allows us to witness the (scaling of) quantum phase transition in experiments for the first time. We also show that some frustrated interactions lead to an unusual scaling of closeup of the energy gap so that a sharp phase transition can be observed even with a small system. The second part discusses superradiance in cold molecules. We investigate the superradiant curves when multiple degenerate levels are considered. A good example for such a system is the low-lying quasi-harmonic vibration of polar molecules. We then propose a prospect of laser cooling based on superradiance physics.
Title: Quantum simulation of Ising magnets and prospects of superradiance
Speaker: Dr. Guin-Dar Lin 林俊達博士 (Department of Physics, Harvard University, USA)
Time: 10:00 AM, January 17 (Thursday)
Place: Dr. Poe Lecture Hall, IAMS (本所浦大邦講堂 臺大校園內)
Contact: Dr. Wei-Hua Wang 王偉華博士
Abstract:
This talk covers two of our working directions: trapped ion quantum simulation and superradiance. In the first part, we discuss the implementation of an Ising magnet emulator and the associated quantum phases. Such a system allows us to witness the (scaling of) quantum phase transition in experiments for the first time. We also show that some frustrated interactions lead to an unusual scaling of closeup of the energy gap so that a sharp phase transition can be observed even with a small system. The second part discusses superradiance in cold molecules. We investigate the superradiant curves when multiple degenerate levels are considered. A good example for such a system is the low-lying quasi-harmonic vibration of polar molecules. We then propose a prospect of laser cooling based on superradiance physics.