CMT Seminar - Norman Yao (UC Berkley) "One dimensional time-translation symmetry breaking: from power-laws to classical dynamical systems"

CMT Seminar
September 14, 2017
11:30AM - 12:30PM
1080 Robert Smith Seminar Room

Date Range
Add to Calendar 2017-09-14 11:30:00 2017-09-14 12:30:00 CMT Seminar - Norman Yao (UC Berkley) "One dimensional time-translation symmetry breaking: from power-laws to classical dynamical systems" Non-equilibrium systems can exhibit phoenoma fundamentally richer than their static counterpars.  For example, certain phases of matter that are provably forbidden in equilibrium systems.  In this talk, I will begin by summarizing recent advances, which predicted the spontaneous breaking of time translation symmetry in periodically driven quantum systems and culminated in experimental observation of time crystals in two disparate systems.  The resulting time crystal exhibits collective oscillations - arising from many-body synchronization - that are quantized to an interger multiple of the drive period.  I will then describe two new examples of "surprising" time-translation symmetry breaking in one dimensional systems.  The first will focus on long-range pre-thermal time crystals, which the second will address the possibility of classical time crystals. 1080 Robert Smith Seminar Room Department of Physics physics@osu.edu America/New_York public

Non-equilibrium systems can exhibit phoenoma fundamentally richer than their static counterpars.  For example, certain phases of matter that are provably forbidden in equilibrium systems.  In this talk, I will begin by summarizing recent advances, which predicted the spontaneous breaking of time translation symmetry in periodically driven quantum systems and culminated in experimental observation of time crystals in two disparate systems.  The resulting time crystal exhibits collective oscillations - arising from many-body synchronization - that are quantized to an interger multiple of the drive period.  I will then describe two new examples of "surprising" time-translation symmetry breaking in one dimensional systems.  The first will focus on long-range pre-thermal time crystals, which the second will address the possibility of classical time crystals.