Floquet Engineering - Exploring Control and Phenomena of High-Frequency Electromagnetic Fields in Condensed-Matter Structures

Explore the fascinating world of Floquet engineering in this 40-minute lecture by Upendra Kumar from PCS Institute for Basic Science. Delve into the application of high-frequency electromagnetic fields for precise control of electronic parameters in condensed-matter structures. Investigate Floquet oscillations under various external field conditions, including continuous, pulsed, and quantized scenarios. Uncover the captivating phenomena and characteristics of these oscillations, with a focus on the intriguing Bloch-Siegert shift. Learn about a method for detecting Floquet oscillations using pump-probe spectra, gaining valuable insights into their experimental manifestation. Examine the emergence of collapse-revival spectra within the Floquet frequency domain, highlighting the profound influence of quantized Floquet oscillations. Gain a comprehensive understanding of Floquet theory and its fundamental effects in periodically driven quantum systems, opening up new possibilities in the field of condensed matter physics.

Upendra Kumar: Floquet engineering